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.

Fair

76°F

24°C

Humidity 60%
Wind Speed SW 12 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 24 Jun 10:54 am CDT
Extended Forecast for

Bement IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 80. Southwest wind around 11 mph, with gusts as high as 18 mph.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms between midnight and 4am, then a slight chance of showers. Mostly cloudy, with a low around 64. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between noon and 2pm. Partly sunny, with a high near 82. West southwest wind 5 to 7 mph.

    High: 82 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 64. Light and variable wind becoming east 5 to 7 mph in the evening.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7am. High near 77. East wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 7 to 10 mph.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 82. East northeast wind around 7 mph becoming south in the afternoon.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 80. Southwest wind around 11 mph, with gusts as high as 18 mph.
Tonight
A chance of showers and thunderstorms between midnight and 4am, then a slight chance of showers. Mostly cloudy, with a low around 64. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between noon and 2pm. Partly sunny, with a high near 82. West southwest wind 5 to 7 mph.
Thursday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 64. Light and variable wind becoming east 5 to 7 mph in the evening.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7am. High near 77. East wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 7 to 10 mph.
Saturday
Partly sunny, with a high near 82. East northeast wind around 7 mph becoming south in the afternoon.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bement IL
 39.92°N 88.56°W (Elev. 676 ft)
Last Update:
11:41 am CDT Jun 24, 2026
Forecast Valid:
11am CDT Jun 24, 2026-6pm CDT Jun 30, 2026
 
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Additional Resources

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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