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

54°F

12°C

Humidity 38%
Wind Speed SW 3 mph
Barometer 30.32 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 24 Mar 11:45 am CDT
Extended Forecast for

2 Miles ENE Herrin IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 64. East wind around 6 mph.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. East wind around 6 mph becoming calm after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. South southwest wind around 15 mph becoming north northwest after midnight. Winds could gust as high as 24 mph.

    Low: 46 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 56. North wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 56 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. North wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57. Northeast wind 6 to 8 mph.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 64. East wind around 6 mph.
Tonight
Mostly cloudy, with a low around 46. East wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 75. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 62. South wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 87. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. South southwest wind around 15 mph becoming north northwest after midnight. Winds could gust as high as 24 mph.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 56. North wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday Night
Mostly clear, with a low around 33. North wind 7 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 57. Northeast wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 38. Light east wind.
Sunday
Partly sunny, with a high near 67. South wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 50. South wind around 7 mph.
Monday
Mostly sunny, with a high near 76. South wind 8 to 13 mph, with gusts as high as 20 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:
11:41 am CDT Mar 24, 2026
Forecast Valid:
12pm CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation