A Large and Slow-Moving Storm System Producing Thunderstorms and Heavy Rain

A slow-moving and large storm system will produce widespread strong to severe thunderstorms and heavy rainfall with possible flooding from the Midwest and Ohio Valley to the Southern U.S. into late week. Record-breaking heat is possible in central California. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Light Rain

67°F

19°C

Humidity 100%
Wind Speed SE 7 G 20 mph
Barometer 29.90 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 25 May 5:35 am CDT
Extended Forecast for

Herrin ILSimilar City Names

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms.  Cloudy, with a low around 67. Southeast wind around 8 mph.

    Chance
    Showers

    Low: 67 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am.  High near 80. South southeast wind 10 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%.

    Showers
    Likely then
    T-storms

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 64. South wind 8 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%.

    T-storms then
    Showers

    Low: 64 °F

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 73. South southeast wind 8 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Showers

    High: 73 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 56. West southwest wind around 7 mph.  Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 56 °F

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 70. West wind 7 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 70 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 55. Northwest wind around 6 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 55 °F

  • Saturday

    Saturday: Sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.

    Sunny

    High: 78 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 59. South southeast wind 3 to 6 mph.

    Mostly Clear

    Low: 59 °F

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 67. Southeast wind around 8 mph.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 80. South southeast wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 64. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Thursday
Showers and possibly a thunderstorm. High near 73. South southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. West southwest wind around 7 mph. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 70. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 59. South southeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 85. South wind 7 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 67. South wind 9 to 11 mph, with gusts as high as 18 mph.
Memorial Day
Sunny, with a high near 89. South wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 69. South wind 6 to 8 mph.
Tuesday
Sunny, with a high near 91. South wind 6 to 10 mph.
Click Map For Forecast
Point Forecast:
Herrin ILSimilar City Names
 37.8°N 89.03°W
5:15 am CDT May 25, 2022
5am CDT May 25, 2022-6pm CDT May 31, 2022
 
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