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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

46°F

8°C

Humidity 93%
Wind Speed E 5 mph
Barometer 29.61 in (1002.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Feb 2:54 am CST
Extended Forecast for

3 Miles WSW Forsyth IL

  • Overnight

    Overnight: A 20 percent chance of showers before 4am. Areas of fog after 4am. Otherwise, mostly cloudy, with a low around 43. East wind around 6 mph.

    Low: 43 °F

    Slight Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly between 1pm and 3pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 65. South southeast wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Slight Chance
    T-storms and
    Areas Fog
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 9pm. Partly cloudy, with a low around 34. Breezy, with a south wind 8 to 13 mph becoming west 19 to 24 mph after midnight. Winds could gust as high as 38 mph.

    Low: 34 °F

    Chance
    Showers then
    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 44. Breezy, with a west wind 21 to 26 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 44 °F

    Decreasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Northwest wind 7 to 10 mph, with gusts as high as 16 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 41. West northwest wind 8 to 15 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Northwest wind 10 to 17 mph, with gusts as high as 24 mph.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34. Breezy.

    High: 34 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Areas of fog after 4am. Otherwise, mostly cloudy, with a low around 43. East wind around 6 mph.
Thursday
Showers and thunderstorms likely, mainly between 1pm and 3pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 65. South southeast wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. 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 9pm. Partly cloudy, with a low around 34. Breezy, with a south wind 8 to 13 mph becoming west 19 to 24 mph after midnight. Winds could gust as high as 38 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 44. Breezy, with a west wind 21 to 26 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 37 mph.
Friday Night
Mostly clear, with a low around 25. Northwest wind 7 to 10 mph, with gusts as high as 16 mph.
Saturday
Mostly sunny, with a high near 41. West northwest wind 8 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 22. Northwest wind 10 to 17 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 34. Breezy.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 44. Breezy.
Tuesday Night
Mostly cloudy, with a low around 34. Breezy.
Wednesday
Mostly cloudy, with a high near 54. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Forsyth IL
 39.89°N 89.02°W (Elev. 656 ft)
Last Update:
3:36 am CST Feb 19, 2026
Forecast Valid:
3am CST Feb 19, 2026-6pm CST Feb 25, 2026
 
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Additional Resources

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Chance of Precipitation