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.

Overcast

35°F

2°C

Humidity 40%
Wind Speed N 15 G 22 mph
Barometer 29.89 in (1012.7 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 26 Feb 12:54 am CST
Extended Forecast for

Forsyth IL

  • Overnight

    Overnight: Snow likely before 3am, then a slight chance of freezing rain between 3am and 4am. Cloudy, with a low around 29. North northeast wind 6 to 8 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Wintry Mix
    Likely

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 50. East northeast wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 50 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. South southwest wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Breezy, with a south southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. South southwest wind 8 to 13 mph becoming north northeast after midnight. Winds could gust as high as 22 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 52. East northeast wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. North northeast wind around 16 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Likely

Detailed Forecast

Overnight
Snow likely before 3am, then a slight chance of freezing rain between 3am and 4am. Cloudy, with a low around 29. North northeast wind 6 to 8 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 50. East northeast wind 6 to 8 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 32. South southwest wind 6 to 8 mph, with gusts as high as 16 mph.
Friday
Sunny, with a high near 66. Breezy, with a south southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Mostly clear, with a low around 33. South southwest wind 8 to 13 mph becoming north northeast after midnight. Winds could gust as high as 22 mph.
Saturday
Partly sunny, with a high near 52. East northeast wind 9 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 24. North northeast wind around 16 mph, with gusts as high as 23 mph.
Sunday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 36.
Sunday Night
Snow likely, mainly before midnight. Cloudy, with a low around 22. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 34.
Monday Night
A chance of rain. Mostly cloudy, with a low around 22.
Tuesday
A chance of rain. Cloudy, with a high near 39.
Tuesday Night
A chance of rain. Cloudy, with a low around 27.
Wednesday
A chance of rain. Mostly cloudy, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Forsyth IL
 39.93°N 88.96°W (Elev. 650 ft)
Last Update:
12:28 am CST Feb 26, 2026
Forecast Valid:
1am CST Feb 26, 2026-6pm CST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation