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.

Overcast

47°F

8°C

Humidity 56%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 14 Feb 3:15 pm CST
Extended Forecast for

4 Miles SSW Mount Pulaski IL

  • This Afternoon

    This Afternoon: A 50 percent chance of rain. Cloudy, with a high near 49. South southeast wind 6 to 8 mph, with gusts as high as 16 mph.

    High: 49 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 3am. Patchy fog after 4am. Low around 41. Southeast wind 6 to 8 mph becoming northeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 59. Northeast wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Sunday Night

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

    Low: 37 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 61. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. South wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. South wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 63 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Breezy.

    Low: 55 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Cloudy, with a high near 49. South southeast wind 6 to 8 mph, with gusts as high as 16 mph.
Tonight
Rain, mainly before 3am. Patchy fog after 4am. Low around 41. Southeast wind 6 to 8 mph becoming northeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 59. Northeast wind 6 to 8 mph becoming west northwest in the afternoon.
Sunday Night
Increasing clouds, 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 southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 43. South wind 8 to 10 mph, with gusts as high as 17 mph.
Tuesday
Mostly cloudy, with a high near 63. South wind 8 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 55. Breezy.
Wednesday
Sunny, with a high near 68. Breezy.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
A chance of rain. Mostly sunny, with a high near 64.
Thursday Night
A chance of rain. Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Mount Pulaski IL
 39.96°N 89.31°W (Elev. 610 ft)
Last Update:
3:17 pm CST Feb 14, 2026
Forecast Valid:
3pm CST Feb 14, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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