National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fog/Mist

31°F

-1°C

Humidity 92%
Wind Speed SE 3 mph
Barometer 29.94 in (1014.6 mb)
Dewpoint 29°F (-2°C)
Visibility 5.00 mi
Last update 7 Dec 12:54 am CST
Extended Forecast for

4 Miles ESE Milmine IL

Winter Weather Advisory until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 7, 06:00am

    NOW until 6:00am Sun

    Winter Weather Advisory

  • Overnight

    Low: 32 °F

    Slight Chance
    Rain/Freezing
    Rain and
    Patchy Fog

  • Sunday

    Sunday: A 20 percent chance of rain before 9am. Areas of fog before 4pm. Otherwise, cloudy, with a high near 33. South wind 5 to 15 mph becoming north in the morning. Winds could gust as high as 24 mph.

    High: 33 °F

    Slight Chance
    Rain and
    Areas Fog
    then Patchy
    Fog

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15. North wind 7 to 14 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 28. Northeast wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 28 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. South wind 5 to 10 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 24 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Southwest wind 15 to 18 mph, with gusts as high as 24 mph.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 35. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 29 mph.

    Low: 35 °F

    Breezy.
    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42. Breezy.

    High: 42 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
A slight chance of freezing rain before 2am, then a slight chance of rain between 2am and 5am. Patchy fog. Otherwise, cloudy, with a steady temperature around 32. South wind around 7 mph. Chance of precipitation is 20%.
Sunday
A 20 percent chance of rain before 9am. Areas of fog before 4pm. Otherwise, cloudy, with a high near 33. South wind 5 to 15 mph becoming north in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 15. North wind 7 to 14 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 28. Northeast wind 5 to 7 mph becoming light and variable in the afternoon.
Monday Night
Mostly cloudy, with a low around 16. South wind 5 to 10 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 24 mph.
Tuesday
Partly sunny, with a high near 43. Southwest wind 15 to 18 mph, with gusts as high as 24 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 35. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 29 mph.
Wednesday
Mostly cloudy, with a high near 42. Breezy.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 20.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
Partly sunny, with a high near 14.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Milmine IL
 39.87°N 88.59°W (Elev. 676 ft)
Last Update:
1:21 am CST Dec 7, 2025
Forecast Valid:
1am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation