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

83°F

28°C

Humidity 81%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 14 Aug 8:15 pm CDT
Extended Forecast for

Hanaford IL

Extreme Heat Warning August 14, 08:25pm until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 14, 08:25pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 106. West southwest wind 3 to 6 mph.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 75. Calm wind becoming southwest around 6 mph in the evening.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. West wind 5 to 7 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Light north wind.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. North northwest wind 3 to 8 mph.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. North wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Tonight
Clear, with a low around 75. Light south southeast wind.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 106. West southwest wind 3 to 6 mph.
Saturday Night
Clear, with a low around 75. Calm wind becoming southwest around 6 mph in the evening.
Sunday
Sunny and hot, with a high near 98. West wind 5 to 7 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Light north wind.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. North northwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 67. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 90. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 71. Calm wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 95. South wind 5 to 11 mph becoming west in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. North wind 5 to 8 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. North wind 5 to 9 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. North northeast wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 84. North wind 3 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hanaford IL
 37.95°N 88.82°W
Last Update:
6:05 pm CDT Aug 14, 2026
Forecast Valid:
8pm CDT Aug 14, 2026-6pm CDT Aug 21, 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