Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

69°F

21°C

Humidity 38%
Wind Speed S 16 G 28 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 25 Mar 3:54 pm CDT
Extended Forecast for

2 Miles WSW Decatur IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 58. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 87. Southwest wind 10 to 18 mph, with gusts as high as 31 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then a chance of showers after 4am.  Low around 37. Breezy, with a southwest wind 13 to 20 mph becoming north northeast after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Breezy.
    T-storms then
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 7am.  Partly sunny, with a high near 48. North wind 16 to 18 mph, with gusts as high as 26 mph.

    High: 48 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. North northwest wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. North wind 5 to 8 mph becoming south in the afternoon.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. South southeast wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 58. South wind 11 to 13 mph, with gusts as high as 22 mph.
Thursday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Southwest wind 10 to 18 mph, with gusts as high as 31 mph.
Thursday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then a chance of showers after 4am. Low around 37. Breezy, with a southwest wind 13 to 20 mph becoming north northeast after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of showers before 7am. Partly sunny, with a high near 48. North wind 16 to 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 28. North northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 51. North wind 5 to 8 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 38. South southeast wind 7 to 10 mph, with gusts as high as 17 mph.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 75.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57.
Tuesday
A chance of showers. Mostly cloudy, with a high near 77.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 60.
Wednesday
A chance of showers. Mostly cloudy, with a high near 74. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Decatur IL
 39.84°N 88.97°W (Elev. 676 ft)
1:50 pm CDT Mar 25, 2026
4pm CDT Mar 25, 2026-6pm CDT Apr 1, 2026
 
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Additional Resources

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