Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

84°F

29°C

Humidity 74%
Wind Speed W 7 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 19 Aug 4:45 pm CDT
Extended Forecast for

3 Miles S Crainville IL

Heat Advisory August 19, 05:05pm until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 05:05pm until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Heavy Rain

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Some of the storms could produce heavy rainfall.  Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Heavy Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. North northeast wind 5 to 9 mph.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85. North northeast wind 5 to 8 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Light north northeast wind.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly sunny, with a steady temperature around 93. West southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 74. Calm wind.
Wednesday
Mostly sunny, with a high near 88. North northeast wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 68. North northeast wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 85. North northeast wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 67. North northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66. Light north northeast wind.
Saturday
Sunny, with a high near 90. Calm wind becoming north northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 65. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. North northwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 60. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 80. Calm wind becoming north northwest 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Crainville IL
 37.69°N 89.06°W
4:31 pm CDT Aug 19, 2025
5pm CDT Aug 19, 2025-6pm CDT Aug 26, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database