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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

A Few Clouds

75°F

24°C

Humidity 54%
Wind Speed W 3 mph
Barometer 30.12 in (1019.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 24 Jul 2:54 pm CDT
Extended Forecast for

6 Miles WSW Bethany IL

Heat Advisory July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Isolated showers after 4pm. Cloudy, with a high near 79. Calm wind. Chance of precipitation is 20%.

    High: 79 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Cloudy, with a low around 63. Light south wind. Chance of precipitation is 20%.

    Low: 63 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers before 1pm. Mostly cloudy, with a high near 82. South wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 82 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. Light south wind.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. South southwest wind 5 to 7 mph.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers after 4pm. Cloudy, with a high near 79. Calm wind. Chance of precipitation is 20%.
Tonight
Isolated showers. Cloudy, with a low around 63. Light south wind. Chance of precipitation is 20%.
Saturday
Isolated showers before 1pm. Mostly cloudy, with a high near 82. South wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 67. Light south wind.
Sunday
Mostly sunny, with a high near 90. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 72. South southwest wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 94. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Bethany IL
 39.62°N 88.84°W (Elev. 689 ft)
Last Update:
1:26 pm CDT Jul 24, 2026
Forecast Valid:
3pm CDT Jul 24, 2026-6pm CDT Jul 30, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation