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.

Overcast

73°F

23°C

Humidity 83%
Wind Speed W 9 mph
Barometer 29.93 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 22 May 11:47 am CDT
Extended Forecast for

Marion IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 83. West wind around 7 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. Light south southeast wind.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 83. South wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. South wind 5 to 8 mph becoming west after midnight.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Calm wind becoming southeast around 5 mph after midnight.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 85. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 85 °F

    Showers
    Likely then
    T-storms
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 83. West wind around 7 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. Light south southeast wind.
Friday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 83. South wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. South wind 5 to 8 mph becoming west after midnight.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Northwest wind around 5 mph becoming southwest in the afternoon.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 85. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 63. West wind 6 to 9 mph.
Memorial Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. North northwest wind 5 to 8 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 76. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion IL
 37.73°N 88.95°W
Last Update:
10:21 am CDT May 22, 2024
Forecast Valid:
11am CDT May 22, 2024-6pm CDT May 28, 2024
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation