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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

82°F

28°C

Humidity 70%
Wind Speed NW 10 mph
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Heat Index86°F (30°C)
Last update 11 Jul 6:45 pm CDT
Extended Forecast for

4 Miles NNW Cypress IL

Flood Watch July 11, 07:31pm until July 12, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 11, 07:31pm until July 12, 01:00am

    NOW until 1:00am Sun

    Flood Watch

  • Tonight

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 82. North wind 6 to 9 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. North wind 3 to 7 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. North northeast wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. North northeast wind 3 to 6 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. East northeast wind 3 to 8 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Light and variable wind.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69. North wind 3 to 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 82. North wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 68. North wind 3 to 7 mph.
Monday
Sunny, with a high near 85. North northeast wind 5 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 69. North northeast wind 3 to 6 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. East northeast wind 3 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 70. Light and variable wind.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 71. Calm wind.
Thursday
Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 73. Calm wind.
Friday
Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Cypress IL
 37.4°N 89.05°W
Last Update:
1:26 pm CDT Jul 11, 2026
Forecast Valid:
7pm CDT Jul 11, 2026-6pm CDT Jul 18, 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