Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

78°F

26°C

Humidity 74%
Wind Speed NW 7 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Sep 9:54 pm CDT
Extended Forecast for

Forsyth IL

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 82. North wind 6 to 14 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and 10pm.  Partly cloudy, with a low around 57. Northeast wind 8 to 11 mph, with gusts as high as 15 mph.  Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. East wind 11 to 16 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Southeast wind around 16 mph, with gusts as high as 22 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. South wind around 16 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 69. West wind 6 to 9 mph becoming east after midnight.  Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 91.

    High: 91 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Calm wind becoming north northwest around 5 mph after midnight.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. North wind 6 to 14 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 57. Northeast wind 8 to 11 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 81. East wind 11 to 16 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 66. Southeast wind around 16 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 93. South wind around 16 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. West wind 6 to 9 mph becoming east after midnight. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 91.
Wednesday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 70.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A chance of showers. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Forsyth IL
 39.93°N 88.96°W (Elev. 650 ft)
1:26 pm CDT Sep 12, 2026
10pm CDT Sep 12, 2026-6pm CDT Sep 19, 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