Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Light Rain

42°F

6°C

Humidity 82%
Wind Speed E 7 mph
Barometer 29.96 in (1015.2 mb)
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Wind Chill38°F (3°C)
Last update 14 Feb 4:54 pm CST
Extended Forecast for

2 Miles ENE Harristown IL

  • This Afternoon

    This Afternoon: Rain likely.  Cloudy, with a high near 48. South southeast wind around 6 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 2am.  Patchy fog after 4am. Low around 42. South southeast wind around 7 mph becoming northeast after midnight.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 59. North northeast wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 37. West wind around 6 mph becoming calm.

    Low: 37 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 60. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. South wind around 10 mph, with gusts as high as 17 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. South wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Breezy.

    Low: 55 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 67. Breezy.

    High: 67 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a high near 48. South southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 2am. Patchy fog after 4am. Low around 42. South southeast wind around 7 mph becoming northeast after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 59. North northeast wind 6 to 8 mph becoming west northwest in the afternoon.
Sunday Night
Increasing clouds, with a low around 37. West wind around 6 mph becoming calm.
Washington's Birthday
Partly sunny, with a high near 60. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 42. South wind around 10 mph, with gusts as high as 17 mph.
Tuesday
Mostly cloudy, with a high near 62. South wind 9 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 55. Breezy.
Wednesday
Sunny, with a high near 67. Breezy.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
A chance of rain. Mostly sunny, with a high near 64.
Thursday Night
A chance of rain. Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Harristown IL
 39.84°N 89.03°W (Elev. 666 ft)
5:36 pm CST Feb 14, 2026
5pm CST Feb 14, 2026-6pm CST Feb 21, 2026
 
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Additional Resources

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