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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

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Overcast

70°F

21°C

Humidity 82%
Wind Speed S 5 mph
Barometer 30.07 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 25 Jul 12:55 am CDT
Extended Forecast for

2 Miles NW Logan County Airport IL

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

  • Overnight

    Overnight: A 40 percent chance of showers, mainly after 3am. Mostly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 82. South wind around 6 mph.

    High: 82 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 70. South southeast wind 3 to 6 mph.

    Low: 70 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 92. Heat index values as high as 106. South wind 3 to 7 mph.

    High: 92 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 75. South southwest wind 5 to 7 mph.

    Low: 75 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 95. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly after 3am. Mostly cloudy, with a low around 65. Light south wind.
Saturday
A 50 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 82. South wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 70. South southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 92. Heat index values as high as 106. South wind 3 to 7 mph.
Sunday Night
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 75. South southwest wind 5 to 7 mph.
Monday
Mostly sunny and hot, with a high near 95. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 74. South southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Logan County Airport IL
 40.19°N 89.35°W (Elev. 581 ft)
Last Update:
12:36 am CDT Jul 25, 2026
Forecast Valid:
1am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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