Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Partly Cloudy

75°F

24°C

Humidity 62%
Wind Speed S 14 G 24 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 3 Apr 6:54 pm CDT
Extended Forecast for

2 Miles ENE Harristown IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 57. South wind 11 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 4pm.  Temperature falling to around 53 by 5pm. West wind 14 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West northwest wind 14 to 18 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 53. West northwest wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind 7 to 10 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Northwest wind 10 to 16 mph, with gusts as high as 22 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Northwest wind 11 to 13 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 57. South wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 4pm. Temperature falling to around 53 by 5pm. West wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West northwest wind 14 to 18 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 53. West northwest wind 14 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 38. West wind 7 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 56. Northwest wind 10 to 16 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 30. Northwest wind 11 to 13 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 68. Breezy.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
A chance of showers. Partly sunny, with a high near 71. Breezy.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53.
Friday
A chance of showers. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Harristown IL
 39.84°N 89.03°W (Elev. 666 ft)
7:31 pm CDT Apr 3, 2026
7pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
 
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Additional Resources

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