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.

Fair

89°F

32°C

Humidity 70%
Wind Speed S 3 mph
Barometer 30.01 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 17 Aug 4:35 pm CDT
Extended Forecast for

Mount Pulaski IL

Heat Advisory August 17, 04:59pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 04:59pm until August 17, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 72. East wind 3 to 7 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 91. Heat index values as high as 102. South wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South southeast wind around 6 mph.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind around 7 mph becoming west northwest in the afternoon.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. North wind around 6 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Light southeast wind.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 72. East wind 3 to 7 mph.
Monday
A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 91. Heat index values as high as 102. South wind 6 to 8 mph. Chance of precipitation is 20%.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South southeast wind around 6 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind around 7 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 70. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Pulaski IL
 40.01°N 89.28°W (Elev. 650 ft)
Last Update:
4:40 pm CDT Aug 17, 2025
Forecast Valid:
4pm CDT Aug 17, 2025-6pm CDT Aug 24, 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