Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fair

76°F

24°C

Humidity 83%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 2 Sep 4:15 am CDT
Extended Forecast for

Mason City IL

Heat Advisory September 2, 04:28am until September 4, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 04:28am until September 4, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Today

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. South southwest wind around 6 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 102. Southwest wind 6 to 8 mph, with gusts as high as 15 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South southeast wind 3 to 5 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. West southwest wind 3 to 6 mph.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 103. Southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 77. South southwest wind around 6 mph.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 102. Southwest wind 6 to 8 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 76. South southeast wind 3 to 5 mph.
Friday
Sunny and hot, with a high near 96. West southwest wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Saturday
Mostly sunny, with a high near 94. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 67.
Labor Day
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IL
 40.2°N 89.7°W (Elev. 568 ft)
3:36 am CDT Sep 2, 2026
4am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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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