Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

19°F

-7°C

Humidity 65%
Wind Speed SW 10 mph
Barometer 30.32 in (1027.9 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 1 Feb 11:54 am CST
Extended Forecast for

Forsyth IL

  • This Afternoon

    This Afternoon: A 40 percent chance of snow, mainly after 5pm.  Mostly cloudy, with a high near 24. South wind around 10 mph, with gusts as high as 16 mph.

    High: 24 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly before 9pm.  Mostly cloudy, with a low around 16. South wind 7 to 9 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Snow Likely
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 31. West wind 6 to 10 mph.

    High: 31 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. West southwest wind around 5 mph becoming calm.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 29. Northeast wind 6 to 9 mph.

    High: 29 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 9. North northeast wind around 6 mph.

    Low: 9 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. North wind around 6 mph.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 24. South wind around 10 mph, with gusts as high as 16 mph.
Tonight
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 16. South wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 31. West wind 6 to 10 mph.
Monday Night
Mostly cloudy, with a low around 19. West southwest wind around 5 mph becoming calm.
Tuesday
Mostly cloudy, with a high near 29. Northeast wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 9. North northeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 24. North wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 7.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 37.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
Forsyth IL
 39.93°N 88.96°W (Elev. 650 ft)
12:16 pm CST Feb 1, 2026
12pm CST Feb 1, 2026-6pm CST Feb 7, 2026
 
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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