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.

Fair

66°F

19°C

Humidity 96%
Wind Speed N 5 mph
Barometer 30.00 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 21 Aug 2:55 am CDT
Extended Forecast for

Logan IL

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 68. North northeast wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84. North northeast wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Light north northeast wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. North wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 84. North northwest wind 5 to 10 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 68. North northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 84. North northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 64. North northeast wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming north northeast 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 64. Light north northeast wind.
Saturday
Sunny, with a high near 90. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 64. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 58. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 79. Calm wind becoming northwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 55. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 78. Calm wind becoming north northwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 80. Calm wind becoming north around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Logan IL
 37.93°N 88.82°W
Last Update:
2:31 am CDT Aug 21, 2025
Forecast Valid:
3am CDT Aug 21, 2025-6pm CDT Aug 27, 2025
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation