Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

58°F

14°C

Humidity 97%
Wind Speed S 6 mph
Barometer 29.97 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Apr 2:55 am CDT
Extended Forecast for

2 Miles ENE Herrin IL

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Light south wind.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 24 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am.  Low around 53. South wind around 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%.

    Low: 53 °F

    Partly Cloudy
    then Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm.  High near 68. Southwest wind 14 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am.  Mostly clear, with a low around 40. North northwest wind 6 to 11 mph becoming light west northwest  after midnight. Winds could gust as high as 21 mph.

    Low: 40 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 68. Light west wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Northwest wind around 6 mph becoming light and variable  in the evening.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. South wind around 6 mph.

    Low: 52 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Light south wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 53. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. High near 68. Southwest wind 14 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 40. North northwest wind 6 to 11 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 68. Light west wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 44. Northwest wind around 6 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 73. Light and variable wind becoming south 5 to 7 mph in the morning.
Monday Night
Clear, with a low around 52. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 79. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 57. South southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 80. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind around 7 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. South wind 6 to 13 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Herrin IL
 37.8°N 89°W
3:06 am CDT Apr 17, 2026
3am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
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Additional Resources

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