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

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fair

30°F

-1°C

Humidity 76%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 13 Feb 11:35 pm CST
Extended Forecast for

4 Miles WSW Mount Pulaski IL

  • Tonight

    Tonight: Partly cloudy, with a low around 30. South wind around 6 mph becoming calm after midnight.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 3pm. Cloudy, with a high near 53. Calm wind becoming south around 6 mph in the afternoon.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 40. South southeast wind around 6 mph becoming east northeast after midnight.

    Low: 40 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 59. Northeast wind 5 to 7 mph.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Light and variable wind becoming south around 6 mph after midnight.

    Low: 37 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 61. South wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. South wind around 8 mph, with gusts as high as 16 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. South wind around 6 mph becoming calm after midnight.
Saturday
A 30 percent chance of rain, mainly after 3pm. Cloudy, with a high near 53. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
A 50 percent chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 40. South southeast wind around 6 mph becoming east northeast after midnight.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 59. Northeast wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 37. Light and variable wind becoming south around 6 mph after midnight.
Washington's Birthday
Partly sunny, with a high near 61. South wind 6 to 11 mph, with gusts as high as 17 mph.
Monday Night
Mostly cloudy, with a low around 42. South wind around 8 mph, with gusts as high as 16 mph.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Partly sunny, with a high near 60.
Thursday Night
A chance of rain. Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Pulaski IL
 39.99°N 89.34°W (Elev. 600 ft)
Last Update:
11:37 pm CST Feb 13, 2026
Forecast Valid:
11pm CST Feb 13, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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