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 and Breezy

23°F

-5°C

Humidity 72%
Wind Speed NW 23 G 33 mph
Barometer 30.35 in (1028.6 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 11 Jan 6:54 am CST
Extended Forecast for

4 Miles N Forsyth IL

  • Today

    Today: Isolated flurries before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 34. Breezy, with a northwest wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 34 °F

    Isolated
    Flurries and
    Breezy then
    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 44. West southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. West southwest wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 39. Breezy, with a north northwest wind 15 to 22 mph, with gusts as high as 30 mph.

    High: 39 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated flurries before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 34. Breezy, with a northwest wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Mostly clear, with a low around 26. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 33. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 53. West southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 34. West wind 11 to 14 mph, with gusts as high as 21 mph.
Wednesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 39. Breezy, with a north northwest wind 15 to 22 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 24.
Friday
Mostly cloudy, with a high near 36.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Forsyth IL
 39.97°N 88.96°W (Elev. 679 ft)
Last Update:
6:41 am CST Jan 11, 2026
Forecast Valid:
7am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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