Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

46°F

8°C

Humidity 61%
Wind Speed SW 9 mph
Barometer 30.22 in (1023.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 6 Apr 2:54 am CDT
Extended Forecast for

3 Miles WSW Forsyth IL

  • Overnight

    Overnight: Clear, with a low around 40. West southwest wind around 8 mph, with gusts as high as 17 mph.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 57. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. Northwest wind 9 to 11 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. East wind around 11 mph, with gusts as high as 17 mph.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. East southeast wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 28 mph.

    High: 69 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. South wind around 17 mph, with gusts as high as 26 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm.  Partly sunny, with a high near 68. Breezy.

    High: 68 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 40. West southwest wind around 8 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 57. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 33. Northwest wind 9 to 11 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 47. East wind around 11 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly cloudy, with a low around 36. East southeast wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 69. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind around 17 mph, with gusts as high as 26 mph.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 68. Breezy.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 68.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50.
Saturday
A chance of showers. Partly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
A chance of showers. Mostly cloudy, with a high near 78. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Forsyth IL
 39.89°N 89.02°W (Elev. 656 ft)
1:26 am CDT Apr 6, 2026
3am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database