Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

36°F

2°C

Humidity 48%
Wind Speed Calm
Barometer 30.12 in (1020.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 9 Feb 11:54 am CST
Extended Forecast for

3 Miles WSW Forsyth IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 43. South wind around 7 mph.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. South southeast wind 8 to 13 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. North northwest wind around 9 mph, with gusts as high as 15 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. North northwest wind 7 to 9 mph.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. North northwest wind around 6 mph becoming east after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 41. East southeast wind 6 to 8 mph.

    High: 41 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 43. South wind around 7 mph.
Tonight
Partly cloudy, with a low around 36. South southeast wind 8 to 13 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 51. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 26. North northwest wind around 9 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 44. North northwest wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 28. North northwest wind around 6 mph becoming east after midnight.
Thursday
Mostly cloudy, with a high near 41. East southeast wind 6 to 8 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 28.
Friday
Mostly cloudy, with a high near 41.
Friday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 27.
Saturday
A chance of rain. Mostly cloudy, with a high near 43.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 29.
Sunday
A chance of rain. Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Forsyth IL
 39.89°N 89.02°W (Elev. 656 ft)
11:37 am CST Feb 9, 2026
12pm CST Feb 9, 2026-6pm CST Feb 15, 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