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.

Fair

59°F

15°C

Humidity 78%
Wind Speed SW 15 G 28 mph
Barometer 29.62 in (1003.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Feb 8:54 am CST
Extended Forecast for

4 Miles N Forsyth IL

  • Today

    Today: Sunny, with a high near 67. Breezy, with a west wind 11 to 21 mph, with gusts as high as 28 mph.

    High: 67 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 45. West southwest wind around 8 mph becoming southeast after midnight.

    Low: 45 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 66. South southeast wind 9 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 34. Breezy, with a south wind 14 to 23 mph becoming west after midnight. Winds could gust as high as 31 mph.

    Low: 34 °F

    Chance
    Showers then
    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 43. Breezy, with a west wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. Northwest wind 8 to 11 mph, with gusts as high as 16 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 38. Northwest wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 38 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Breezy.

    High: 33 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 67. Breezy, with a west wind 11 to 21 mph, with gusts as high as 28 mph.
Tonight
Increasing clouds, with a low around 45. West southwest wind around 8 mph becoming southeast after midnight.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 66. South southeast wind 9 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 34. Breezy, with a south wind 14 to 23 mph becoming west after midnight. Winds could gust as high as 31 mph.
Friday
Mostly sunny, with a high near 43. Breezy, with a west wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
Mostly clear, with a low around 24. Northwest wind 8 to 11 mph, with gusts as high as 16 mph.
Saturday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 38. Northwest wind 9 to 14 mph, with gusts as high as 18 mph.
Saturday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 33. Breezy.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 33.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 41.
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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:
9:06 am CST Feb 18, 2026
Forecast Valid:
9am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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