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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Light Rain

47°F

8°C

Humidity 78%
Wind Speed N 13 G 20 mph
Barometer 30.13 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 27 Mar 5:35 am CDT
Extended Forecast for

2 Miles ENE Herrin IL

Freeze Warning March 28, 01:00am until March 28, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 53. North wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 53. North wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 53 °F

    Showers
    Likely then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58. North northeast wind around 6 mph becoming east southeast in the afternoon.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Southeast wind 3 to 6 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 69. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 53. North wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 53. North wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Friday Night
Mostly clear, with a low around 31. North wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 58. North northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 40. Southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 69. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 80. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 64. South wind around 14 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 84. South southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 24 mph.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. South wind around 14 mph, with gusts as high as 22 mph.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 72. South southwest wind around 15 mph, with gusts as high as 23 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:
4:51 am CDT Mar 27, 2026
Forecast Valid:
5am CDT Mar 27, 2026-6pm CDT Apr 2, 2026
 
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