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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 81%
Wind Speed S 12 G 17 mph
Barometer 29.96 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 2 Apr 11:55 pm CDT
Extended Forecast for

Herrin ILSimilar City Names

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly clear, with a steady temperature around 69. South southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Partly sunny, with a high near 83. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 62. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 4pm, then showers likely. Some of the storms could produce heavy rainfall. High near 70. Southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%.

    High: 70 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Northwest wind 6 to 11 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. North wind around 6 mph.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly clear, with a steady temperature around 69. South southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Partly sunny, with a high near 83. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 62. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm before 4pm, then showers likely. Some of the storms could produce heavy rainfall. High near 70. Southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%.
Saturday Night
Partly cloudy, with a low around 41. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 61. Northwest wind 6 to 11 mph.
Sunday Night
Clear, with a low around 39. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 65. Calm wind becoming northwest 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 39. North wind around 6 mph.
Tuesday
Mostly sunny, with a high near 58. North northeast wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 38. East wind around 7 mph.
Wednesday
Mostly sunny, with a high near 69. South wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 51. South wind around 9 mph.
Thursday
Sunny, with a high near 75. South wind 9 to 14 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Herrin ILSimilar City Names
 37.8°N 89.03°W
Last Update:
10:51 pm CDT Apr 2, 2026
Forecast Valid:
12am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
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