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

Hazardous Weather Conditions

Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Partly Cloudy

74°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 74°F (23°C)
Visibility 7.00 mi
Last update 16 Aug 5:55 am CDT
Extended Forecast for

3 Miles WNW Atlanta IL

Heat Advisory August 16, 12:00pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 94. Heat index values as high as 103. South wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming light and variable in the evening.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 105. Light and variable wind.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Southeast wind 3 to 5 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Southwest wind around 7 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West wind 5 to 8 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 94. Heat index values as high as 103. South wind 6 to 8 mph becoming west southwest in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming light and variable in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 105. Light and variable wind.
Sunday Night
Mostly clear, with a low around 73. Southeast wind 3 to 5 mph.
Monday
Sunny, with a high near 94. Southwest wind around 7 mph.
Monday Night
Mostly clear, with a low around 73. South wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Atlanta IL
 40.29°N 89.29°W (Elev. 682 ft)
Last Update:
5:11 am CDT Aug 16, 2025
Forecast Valid:
5am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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