Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

A Few Clouds

46°F

8°C

Humidity 47%
Wind Speed N 16 G 26 mph
Barometer 30.31 in (1026.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 6 Apr 11:54 pm CDT
Extended Forecast for

Forsyth IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Northeast wind around 11 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. East northeast wind 11 to 13 mph, with gusts as high as 18 mph.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. East wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 30 mph.

    High: 68 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. South wind around 16 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. South southwest wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely.  Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Northeast wind around 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 47. East northeast wind 11 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 36. East wind 10 to 14 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 68. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind around 16 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 72. South southwest wind 14 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 18 mph.
Friday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
A chance of showers. Mostly cloudy, with a high near 80. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Mostly cloudy, with a high near 80. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Forsyth IL
 39.93°N 88.96°W (Elev. 650 ft)
11:42 pm CDT Apr 6, 2026
12am CDT Apr 7, 2026-6pm CDT Apr 13, 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