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7-day forecast for southeast Missouri, southern Illinois, western Kentucky, and western Tennessee.
This is a BLEND for the region. See the detailed region by region forecast further down in this post.
The entire blog is updated after 3 PM each day. Some adjustments may be made during the morning hours.
The short/long range graphics are updated before 9 AM.
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Friday night to Friday night
1. Are accumulating snow or ice in the forecast? No.
2. Is lightning in the forecast? No.
3. Are severe thunderstorms in the forecast? No.
* The NWS officially defines a severe thunderstorm as a storm with 58 mph wind or greater, 1″ hail or larger, and/or tornadoes
4. Is flash flooding in the forecast? No.
6. Will the wind chill dip below 10 degrees above zero? No.
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Friday night Forecast: Clearing from west to east. Patchy dense fog developing. Watch for slick spots on bridges and overpasses if fog forms.
What is the chance of precipitation? SE MO ~ 10% IL ~ 10% KY ~ 10% TN ~ 10%
Temperature range: MO Bootheel 30° to 34° SE MO 26° to 30° South IL 26° to 30° Northwest KY (near Indiana border) 30° to 32° West KY 30° to 34° NW TN 32° to 34°
Wind direction and speed: Northwest at 5 to 10 mph.
Wind chill or heat index (feels like) temperature forecast: 26° to 30°
Coverage of precipitation: None
What impacts are anticipated from the weather? Fog could cause icy patches on bridges.
Should I cancel my outdoor plans? No
Moonrise: 8:29 PM
Moonset: 10:35 AM
The phase of the moon: Waning Gibbous
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December 5, 2020
How confident am I that this days forecast will verify? High Confidence
Saturday Forecast: Some AM fog. Watch for slick spots on bridges. Mostly sunny. A few passing clouds.
What is the chance of precipitation? SE MO ~ 0% IL ~ 10% KY ~ 10% TN ~ 10%
Temperature range: MO Bootheel 48° to 50° SE MO 44° to 48° South IL 46° to 48° Northwest KY (near Indiana border) 46° to 48° West KY 46° to 48° NW TN 46° to 48°
Wind direction and speed: Northwest at 6 to 12 mph
Wind chill or heat index (feels like) temperature forecast: 40° to 45°
Coverage of precipitation: None
What impacts are anticipated from the weather? Lower visibility where fog occurs.
Should I cancel my outdoor plans? No
UV Index: 2. Low.
Sunrise: 6:55 AM
Sunset: 4:37 PM
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Saturday night Forecast: Mostly clear. Cool. Patchy fog.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 30° to 34° SE MO 26° to 30° South IL 26° to 30° Northwest KY (near Indiana border) 28° to 30° West KY 28° to 34° NW TN 32° to 34°
Wind direction and speed: East at 0 to 5 mph
Wind chill or heat index (feels like) temperature forecast: 24° to 32°
Coverage of precipitation: None
What impacts are anticipated from the weather? Lower visibility in fog.
Should I cancel my outdoor plans? No
Moonrise: 9:34 PM
Moonset: 11:17 AM
The phase of the moon: Waning Gibbous
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December 6, 2020
How confident am I that this days forecast will verify? High Confidence
Sunday Forecast: Patchy AM fog. Mostly sunny. A few passing clouds. Cool.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 46° to 50° SE MO 44° to 48° South IL 44° to 48° Northwest KY (near Indiana border) 44° to 48° West KY 44° to 48° NW TN 46° to 50°
Wind direction and speed: North at 5 to 10 mph
Wind chill or heat index (feels like) temperature forecast: 42° to 46°
Coverage of precipitation: None
What impacts are anticipated from the weather? Lower visibility in fog.
Should I cancel my outdoor plans? No
UV Index: 2. Low.
Sunrise: 6:56 AM
Sunset: 4:37 PM
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Sunday night Forecast: Partly cloudy. Chilly. Patchy fog.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 30° to 32° SE MO 25° to 30° South IL 25° to 30° Northwest KY (near Indiana border) 26° to 30° West KY 26° to 30° NW TN 30° to 32°
Wind direction and speed: North at 5 mph
Wind chill or heat index (feels like) temperature forecast: 24° to 28°
Coverage of precipitation: None
What impacts are anticipated from the weather? Lower visibility if fog forms.
Should I cancel my outdoor plans? No
Moonrise: 10:40 PM
Moonset: 11:54 AM
The phase of the moon: Waning Gibbous
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December 7, 2020
How confident am I that this days forecast will verify? High Confidence
Monday Forecast: Partly sunny. Cool.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 44° to 48° SE MO 44° to 46° South IL 44° to 46° Northwest KY (near Indiana border) 44° to 46° West KY 44° to 46° NW TN 44° to 48°
Wind direction and speed: North at 6 to 12 mph with higher gusts.
Wind chill or heat index (feels like) temperature forecast: 43° to 46°
Coverage of precipitation: None
What impacts are anticipated from the weather? None
Should I cancel my outdoor plans? No
UV Index: 2. Low.
Sunrise: 6:57 AM
Sunset: 4:37 PM
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Monday night Forecast: Mostly clear. Chilly.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 30° to 32° SE MO 25° to 30° South IL 25° to 30° Northwest KY (near Indiana border) 25° to 30° West KY 25° to 30° NW TN 30° to 32°
Wind direction and speed: West northwest at 5 mph
Wind chill or heat index (feels like) temperature forecast: 24° to 26°
Coverage of precipitation: None
What impacts are anticipated from the weather? None
Should I cancel my outdoor plans? No
Moonrise: 11:48 PM
Moonset: 12:27 PM
The phase of the moon: Last Quarter
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December 8, 2020
How confident am I that this days forecast will verify? High Confidence
Tuesday Forecast: Mostly sunny. A few AM clouds. Chilly.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 46° to 50° SE MO 44° to 48° South IL 44° to 48° Northwest KY (near Indiana border) 46° to 48° West KY 46° to 48° NW TN 46° to 50°
Wind direction and speed: West southwest at 7 to 14 mph.
Wind chill or heat index (feels like) temperature forecast: 44° to 46°
Coverage of precipitation: None
What impacts are anticipated from the weather? Lower visibility in fog.
Should I cancel my outdoor plans? No
UV Index: 2. Low.
Sunrise: 6:57 AM
Sunset: 4:37 PM
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Tuesday night Forecast: Mostly clear. Chilly. Patchy fog.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 30° to 32° SE MO 26° to 30° South IL 26° to 30° Northwest KY (near Indiana border) 28° to 30° West KY 28° to 32° NW TN 30° to 32°
Wind direction and speed: West southwest at 5 to 10 mph
Wind chill or heat index (feels like) temperature forecast: 26° to 30°
Coverage of precipitation: None
What impacts are anticipated from the weather? Lower visibility in fog.
Should I cancel my outdoor plans? No
Moonrise: 6:00 PM
Moonset: 12:58 PM
The phase of the moon: Waning Crescent
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December 9, 2020
How confident am I that this days forecast will verify? High Confidence
Wednesday Forecast: Patchy AM fog. Partly to mostly sunny. Milder.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 53° to 56° SE MO 53° to 56° South IL 53° to 56° Northwest KY (near Indiana border) 53° to 56° West KY 53° to 56° NW TN 53° to 56°
Wind direction and speed: Southwest at 6 to 12 mph with higher gusts.
Wind chill or heat index (feels like) temperature forecast: 52° to 56°
Coverage of precipitation: None
What impacts are anticipated from the weather? Lower visibility in fog.
Should I cancel my outdoor plans? No
UV Index: 2. Low.
Sunrise: 6:58AM
Sunset: 4:37 PM
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Wednesday night Forecast: Mostly clear. Chilly. Patchy fog.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 34° to 36° SE MO 32° to 35° South IL 33° to 36° Northwest KY (near Indiana border) 34° to 36° West KY 34° to 38° NW TN 34° to 38°
Wind direction and speed: Southwest at 5 mph.
Wind chill or heat index (feels like) temperature forecast: 32° to 35°
Coverage of precipitation: None
What impacts are anticipated from the weather? Lower visibility in fog.
Should I cancel my outdoor plans? No
Moonrise: 12:56 AM
Moonset: 1:29 PM
The phase of the moon: Waning Crescent
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December 10, 2020
How confident am I that this days forecast will verify? High Confidence
Thursday Forecast: Patchy AM fog. Partly to mostly sunny.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 54° to 58° SE MO 54° to 56° South IL 54° to 56° Northwest KY (near Indiana border) 54° to 56° West KY 54° to 56° NW TN 54° to 56°
Wind direction and speed: South southwest at 6 to 12 mph with higher gusts.
Wind chill or heat index (feels like) temperature forecast: 54° to 56°
Coverage of precipitation: None
What impacts are anticipated from the weather? Lower visibility in fog.
Should I cancel my outdoor plans? No
UV Index: 2. Low.
Sunrise: 6:59 AM
Sunset: 4:38 PM
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Thursday night Forecast: Mostly clear. Chilly. Patchy fog.
What is the chance of precipitation? SE MO ~ 0% IL ~ 0% KY ~ 0% TN ~ 0%
Temperature range: MO Bootheel 36° to 40° SE MO 34° to 38° South IL 34° to 38° Northwest KY (near Indiana border) 34° to 38° West KY 34° to 38° NW TN 36° to 40°
Wind direction and speed: South at 0 to 5 mph
Wind chill or heat index (feels like) temperature forecast: 34° to 38°
Coverage of precipitation: None
What impacts are anticipated from the weather? Lower visibility in fog.
Should I cancel my outdoor plans? No
Moonrise: 2:05 AM
Moonset: 2:00 PM
The phase of the moon: Waning Crescent
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The AM AG weather report will return in late winter and early spring (when growing season returns).
Please refer to the long range video until that time.
Graphic-cast
Click here if you would like to return to the top of the page.
Illinois
During active weather check my handwritten forecast towards the top of the page.
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Kentucky
During active weather check my handwritten forecast towards the top of the page.
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Tennessee
During active weather check my handwritten forecast towards the top of the page.
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Today through December 11th: No severe thunderstorms.
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Today’s outlook (below).
Light green is where thunderstorms may occur but should be below severe levels.
Dark green is a level one risk. Yellow is a level two risk. Orange is a level three (enhanced) risk. Red is a level four (moderate) risk. Pink is a level five (high) risk.
One is the lowest risk. Five is the highest risk.
A severe storm is one that produces 58 mph wind or higher, quarter size hail, and/or a tornado.
The tan states are simply a region that SPC outlined on this particular map. Just ignore that.
The black outline is our local area.
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Tomorrow’s severe weather outlook.
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The images below are from the WPC. Their totals are a bit lower than our current forecast. I wanted to show you the comparison.
24-hour precipitation outlook.
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48-hour precipitation outlook.
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72-hour precipitation outlook.
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Weather advice:
Updated December 4th and 5th
No significant weather concerns.
Weather Talk by the Fire Horn. Download it. Install it. It is for subscribers. Not a subscriber? Go to www.weathertalk.com/welcome
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Weather Discussion
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- Quiet weather.
- Some clouds Sunday/Monday.
- Patchy fog at night.
- Monitoring a system next weekend.
Another quiet weather pattern is underway.
I am watching fog each night. As temperatures fall below freezing there could even be some freezing fog. That is simply fog that leaves moisture on bridges and overpasses.
This can cause icy patches. Use care.
Otherwise, nothing significant to monitor tonight through next Thursday night.
I will keep an eye on next Saturday and Sunday. Another cold front may bring showers and thunderstorms to the region.
Strong wind fields could be strong storms. I will be monitoring trends.
Have a nice weekend.
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Again, as a reminder, these are models. They are never 100% accurate. Take the general idea from them.
What should I take from these?
- The general idea and not specifics. Models usually do well with the generalities.
- The time-stamp is located in the upper left corner.
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What am I looking at?
You are looking at different models. Meteorologists use many different models to forecast the weather. All models are wrong. Some are more wrong than others. Meteorologists have to make a forecast based on the guidance/models.
I show you these so you can see what the different models are showing as far as precipitation. If most of the models agree, then the confidence in the final weather forecast increases.
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This animation is the SPC WRF model.
This animation shows you what radar might look like as the next system pulls through the region. It is a future-cast radar.
Time-stamp upper left. Click the animation to enlarge it.
No precipitation
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This animation is the Hrrr short-range model.
This animation shows you what radar might look like as the next system pulls through the region. It is a future-cast radar.
No precipitation
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This animation is the 3K American Model.
This animation shows you what radar might look like as the next system pulls through the region. It is a future-cast radar.
Time-stamp upper left. Click the animation to enlarge it.
No precipitation
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This next animation is the NAM American Model.
This animation shows you what radar might look like as the system pulls through the region. It is a future-cast radar.
Time-stamp upper left. Click the animation to enlarge it.
No precipitation
This next animation is the GFS American Model.
This animation shows you what radar might look like as the system pulls through the region. It is a future-cast radar.
Time-stamp upper left. Click the animation to enlarge it.
No precipitation
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This next animation is the EC model.
This animation shows you what radar might look like as the system pulls through the region. It is a future-cast radar.
Time-stamp upper left. Click the animation to enlarge it.
No precipitation
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Click here if you would like to return to the top of the page.
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Average high temperatures for this time of the year are around 51 degrees.
Average low temperatures for this time of the year are around 32 degrees.
Average precipitation during this time period ranges from 0.85″ to 1.20″
Yellow and orange colors are above average temperatures. Red is much above average. Light blue and blue are below-average temperatures. Green to purple colors represents much below-average temperatures.
This outlook covers December 4th through December 10th
Click on the image to expand it.
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The precipitation forecast is PERCENT OF AVERAGE. Brown is below average. Green is above average. Blue is much above average.
Average low temperatures for this time of the year are around 30 degrees
Average precipitation during this time period ranges from 0.85″ to 1.10″
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This outlook covers December 11th through December 17th
Click on the image to expand it.
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The precipitation forecast is PERCENT OF AVERAGE. For example, if your average rainfall is 1.00″ and the graphic shows 25%, then that would mean 0.25″ of rain is anticipated.
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EC = Equal chances of above or below average
BN= Below average
M/BN = Much below average
AN = Above average
M/AN = Much above average
E/AN = Extremely above average
Average low temperatures for this time of the year are around 25 degrees
Average precipitation during this time period ranges from 1.75″ to 2.10″
This outlook covers December 18th through the 31st
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Precipitation outlook
LONG RANGE DISCUSSION
Key Points: This was written by the BAMwx team. I don’t edit it.
THIS WILL RETURN IN THE SPRING. DURING THE GROWING SEASON.
Winter Outlook
Click to enlarge it. Then, you can read it better.
December through February Temperature Outlook (preliminary)
December through February Precipitation Outlook (preliminary)
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E/BN extremely below normal.
M/BN is much below normal
EC equal chances
AN above normal
M/AN much above normal
E/AN extremely above normal.
December Temperature and Precipitation Preliminary outlook.
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E/BN extremely below normal.
M/BN is much below normal
EC equal chances
AN above normal
M/AN much above normal
E/AN extremely above normal.
January Temperature Outlook (preliminary)
January Precipitation Outlook (preliminary)
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E/BN extremely below normal.
M/BN is much below normal
EC equal chances
AN above normal
M/AN much above normal
E/AN extremely above normal.
February Temperature Outlook (preliminary)
February Precipitation Outlook (preliminary)
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And the preliminary March outlooks
Temperature departures
Precipitation
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Great news! The videos are now found in your Weathertalk app and on the WeatherTalk website.
These are bonus videos for subscribers.
The app is for subscribers. Subscribe at www.weathertalk.com/welcome then go to your app store and search for WeatherTalk
Subscribers, PLEASE USE THE APP. ATT and Verizon are not reliable during severe weather. They are delaying text messages.
The app is under WeatherTalk in the app store.
Apple users click here
Android users click here
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Radar Link: Interactive local city-view radars & regional radars.
You will find clickable warning and advisory buttons on the local city-view radars.
If the radar is not updating then try another one. If a radar does not appear to be refreshing then hit Ctrl F5. You may also try restarting your browser.
Not working? Email me at beaudodson@usawx.com
National map of weather watches and warnings. Click here.
Storm Prediction Center. Click here.
Weather Prediction Center. Click here.
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Live lightning data: Click here.
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Interactive GOES R satellite. Track clouds. Click here.
GOES 16 slider tool. Click here.
College of Dupage satellites. Click here
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Here are the latest local river stage forecast numbers Click Here.
Here are the latest lake stage forecast numbers for Kentucky Lake and Lake Barkley Click Here.
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