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.

Fog/Mist

50°F

10°C

Humidity 94%
Wind Speed NE 5 mph
Barometer 30.19 in
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Wind Chill48°F (9°C)
Last update 19 Nov 11:47 am CST
Extended Forecast for

2 Miles ENE Herrin IL

  • Today

    Today: Cloudy, with a high near 56. North wind around 5 mph becoming calm in the afternoon.

    High: 56 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Cloudy

  • Thursday

    Thursday: Showers likely, mainly between 11am and 1pm. Cloudy, with a high near 59. Southeast wind 3 to 8 mph. Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers. Low around 55. Light and variable wind. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 3pm. High near 66. Light and variable wind becoming south southeast 5 to 9 mph in the morning. Chance of precipitation is 90%.

    High: 66 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. East wind around 6 mph becoming northwest after midnight. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 64. Northwest wind 5 to 8 mph.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. Light west northwest wind.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. Calm wind becoming west around 6 mph.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a high near 56. North wind around 5 mph becoming calm in the afternoon.
Tonight
Cloudy, with a low around 48. Light and variable wind.
Thursday
Showers likely, mainly between 11am and 1pm. Cloudy, with a high near 59. Southeast wind 3 to 8 mph. Chance of precipitation is 70%.
Thursday Night
Showers. Low around 55. Light and variable wind. Chance of precipitation is 90%.
Friday
Showers, with thunderstorms also possible after 3pm. High near 66. Light and variable wind becoming south southeast 5 to 9 mph in the morning. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. East wind around 6 mph becoming northwest after midnight. Chance of precipitation is 70%.
Saturday
Partly sunny, with a high near 64. Northwest wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 46. Light west northwest wind.
Sunday
Mostly sunny, with a high near 65. Calm wind becoming west around 6 mph.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 45. Calm wind.
Monday
A chance of showers. Partly sunny, with a high near 62. Calm wind becoming south southeast 5 to 7 mph in the morning.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46. East wind 3 to 6 mph.
Tuesday
A chance of showers. Mostly cloudy, with a high near 58. Southeast wind 7 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Herrin IL
 37.8°N 89°W
Last Update:
11:01 am CST Nov 19, 2025
Forecast Valid:
11am CST Nov 19, 2025-6pm CST Nov 25, 2025
 
Forecast Discussion
 
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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