National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

79°F

26°C

Humidity 74%
Wind Speed NE 3 mph
Barometer 30.06 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 26 Jul 7:55 pm CDT
Extended Forecast for

Marion IL

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Light east wind.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Light south southeast wind.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 84. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 6 mph becoming calm in the evening.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 5 to 9 mph.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. South southwest wind around 6 mph.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind 6 to 9 mph.

    High: 93 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 73. South southwest wind 3 to 6 mph.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Light east wind.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind becoming south southeast around 6 mph in the afternoon.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Light south southeast wind.
Sunday
Showers and possibly a thunderstorm. High near 84. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 6 mph becoming calm in the evening.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 5 to 9 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. South southwest wind around 6 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind 6 to 9 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 73. South southwest wind 3 to 6 mph.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Southwest wind 5 to 8 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 73. South southwest wind 3 to 6 mph.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 94. Southwest wind 3 to 8 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind around 6 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 91. West wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion IL
 37.73°N 88.92°W
Last Update:
6:35 pm CDT Jul 26, 2024
Forecast Valid:
8pm CDT Jul 26, 2024-6pm CDT Aug 2, 2024
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation