National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Rain Fog/Mist

60°F

16°C

Humidity 93%
Wind Speed W 15 G 22 mph
Barometer 29.91 in (1012.3 mb)
Dewpoint 58°F (14°C)
Visibility 4.00 mi
Last update 4 Apr 9:54 am CDT
Extended Forecast for

4 Miles N Forsyth IL

  • Today

    Today: A 40 percent chance of showers, mainly before noon. Cloudy, with a steady temperature around 54. Breezy, with a west wind 18 to 21 mph, with gusts as high as 28 mph.

    High: 54 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a west wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 36 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. West northwest wind 14 to 17 mph, with gusts as high as 24 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54. Northwest wind 11 to 17 mph, with gusts as high as 23 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Northwest wind 11 to 14 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. East wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Breezy.

    High: 68 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
A 40 percent chance of showers, mainly before noon. Cloudy, with a steady temperature around 54. Breezy, with a west wind 18 to 21 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a west wind 14 to 20 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 53. West northwest wind 14 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 38. West wind 8 to 10 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 54. Northwest wind 11 to 17 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 29. Northwest wind 11 to 14 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 48. East wind 9 to 11 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 68. Breezy.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 71. Breezy.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 74. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Forsyth IL
 39.97°N 88.96°W (Elev. 679 ft)
Last Update:
10:47 am CDT Apr 4, 2026
Forecast Valid:
10am CDT Apr 4, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation