Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fair

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 2 Sep 6:55 am CDT
Extended Forecast for

Latham IL

Heat Advisory September 2, 07:15am until September 4, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 07:15am 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 wind around 7 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 103. Southwest wind 6 to 9 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Southwest wind 5 to 7 mph.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. Light and variable wind.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 94. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 94 °F

    Chance
    T-storms

  • 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 7 to 10 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 77. South wind around 7 mph.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 103. Southwest wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 76. South wind around 6 mph.
Friday
Sunny and hot, with a high near 96. Southwest wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 74. Light and variable wind.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 67.
Labor Day
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Latham IL
 39.96°N 89.16°W (Elev. 607 ft)
6:36 am CDT Sep 2, 2026
7am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database