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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

68°F

20°C

Humidity 85%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 3 Oct 12:35 am CDT
Extended Forecast for

Logan IL

  • Overnight

    Overnight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Friday

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

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59. Light south wind.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming south southeast 5 to 9 mph in the afternoon.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58. Southeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87. South wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Light southeast wind.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers. Mostly sunny, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 85 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers after 1am. Partly cloudy, with a low around 63. East southeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Calm wind.
Friday
Sunny, with a high near 88. Calm wind becoming south southwest 5 to 7 mph in the morning.
Friday Night
Clear, with a low around 59. Light south wind.
Saturday
Sunny, with a high near 86. Calm wind becoming south southeast 5 to 9 mph in the afternoon.
Saturday Night
Clear, with a low around 58. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 87. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 63. Light southeast wind.
Monday
A slight chance of showers. Mostly sunny, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 63. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming south southwest 5 to 7 mph in the morning.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. South wind 5 to 7 mph becoming north after midnight.
Wednesday
Mostly sunny, with a high near 75. North northeast wind 9 to 13 mph.
Wednesday Night
Mostly clear, with a low around 48. North northeast wind 6 to 8 mph.
Thursday
Sunny, with a high near 73. East northeast wind 6 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Logan IL
 37.93°N 88.82°W
Last Update:
11:31 pm CDT Oct 2, 2025
Forecast Valid:
12am CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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