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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

61°F

16°C

Humidity 83%
Wind Speed SW 16 mph
Barometer 29.73 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Feb 8:45 am CST
Extended Forecast for

Logan IL

  • Today

    Today: Mostly sunny, with a high near 73. West southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. South wind around 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. South southwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Mostly clear, with a low around 41. West wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. West wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow showers before noon, then a chance of rain showers. Partly sunny, with a high near 47. North northeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before midnight. Partly cloudy, with a low around 26. North northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 40 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. West southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 54. South wind around 8 mph.
Thursday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. South southwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 41. West wind 11 to 14 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 53. West wind 5 to 13 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 34. Calm wind becoming north northeast around 5 mph after midnight.
Saturday
A slight chance of rain and snow showers before noon, then a chance of rain showers. Partly sunny, with a high near 47. North northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow showers before midnight. Partly cloudy, with a low around 26. North northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 21. Northwest wind 7 to 10 mph.
Monday
Sunny, with a high near 38. North northwest wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 20. Light and variable wind.
Tuesday
Mostly sunny, with a high near 46. Light south southeast wind becoming south 5 to 10 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Logan IL
 37.93°N 88.85°W
Last Update:
5:46 am CST Feb 18, 2026
Forecast Valid:
9am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
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Additional Resources

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Chance of Precipitation