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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Light Rain

70°F

21°C

Humidity 98%
Wind Speed SW 6 mph
Barometer 29.92 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 10 Jul 4:35 am CDT
Extended Forecast for

2 Miles W Thompsonville IL

Flood Watch July 10, 04:47am until July 12, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 10, 04:47am until July 12, 01:00am

    NOW until 1:00am Sun

    Flood Watch

  • Overnight

    Low: 73 °F

    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 90. West southwest wind 3 to 6 mph. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 9pm, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. Light west wind. Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. Northeast wind around 6 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. Northeast wind 3 to 8 mph.

    High: 88 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 73. Southwest wind around 5 mph. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 90. West southwest wind 3 to 6 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 9pm, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 70%.
Saturday
Showers and thunderstorms likely, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. Light west wind. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 68. Northeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 88. Northeast wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 69. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 90. Calm wind becoming east 5 to 7 mph in the morning.
Tuesday Night
Mostly clear, with a low around 71. Light and variable wind.
Wednesday
Sunny, with a high near 92. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 72. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Thompsonville IL
 37.91°N 88.8°W
Last Update:
4:06 am CDT Jul 10, 2026
Forecast Valid:
4am CDT Jul 10, 2026-6pm CDT Jul 16, 2026
 
Forecast Discussion
 
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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