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Severe thunderstorms possible over the upper Midwest and Great Lakes, Heavy Rain and Flooding Possible over the Southwest U.S.

Severe thunderstorms will be possible over portions of the upper Midwest and Great Lakes Tuesday, Wednesday, and Thursday. Damaging winds, large hail, and heavy rainfall possible. Over the Desert Southwest and portions of the Rockies, Monsoonal moisture will lead to locally heavy rainfall and the threat for flash flooding into midweek. Read More >

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

77°F

25°C

Humidity 83%
Wind Speed NE 5 mph
Barometer 30.04 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 Jul 12:35 am CDT
Extended Forecast for

Marion IL

  • Overnight

    Overnight: Partly cloudy, with a low around 70. Light east northeast wind.

    Partly Cloudy

    Low: 70 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. East wind 3 to 6 mph.

    Mostly Sunny

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 72. East wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 72 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. Light and variable wind becoming south southwest around 6 mph in the morning.

    Mostly Sunny

    High: 93 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 76. South wind 3 to 5 mph.

    Partly Cloudy

    Low: 76 °F

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm.  Partly sunny, with a high near 90. Southwest wind 5 to 7 mph.  Chance of precipitation is 60%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 90 °F

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 71. Light and variable wind.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 71 °F

  • Friday

    Friday: A chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 84. North northeast wind 5 to 7 mph.

    Chance
    T-storms

    High: 84 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 65. North northeast wind 5 to 7 mph.

    Partly Cloudy

    Low: 65 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. Light east northeast wind.
Tuesday
Mostly sunny, with a high near 89. East wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 72. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 93. Light and variable wind becoming south southwest around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 76. South wind 3 to 5 mph.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. North northeast wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 65. North northeast wind 5 to 7 mph.
Saturday
Sunny, with a high near 83. North northeast wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 62. North northeast wind 3 to 7 mph.
Sunday
Sunny, with a high near 84. North northeast wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 64. North northeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 86. Calm wind becoming north northeast around 6 mph in the morning.
Click Map For Forecast
Point Forecast:
Marion IL
 37.73°N 88.92°W
12:16 am CDT Jul 25, 2017
12am CDT Jul 25, 2017-6pm CDT Jul 30, 2017
 
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