Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Mostly Cloudy
91°F
33°C
| Humidity | 67% |
| Wind Speed | W 7 mph |
| Barometer | 29.96 in |
| Dewpoint | 79°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 107°F (42°C) |
| Last update | 26 Jul 12:45 pm CDT |
Extended Forecast for
3 Miles ESE Pittsburg IL
Extreme Heat Warning until July 28, 07:00pm
NOW until 7:00pm Tue

Extreme Heat Warning
This Afternoon

High: 95 °F
Slight Chance
T-stormsTonight
Low: 77 °F
Chance
Showers then
Chance
T-stormsMonday

High: 99 °F
Hot
Monday Night

Low: 79 °F
Mostly Clear
Tuesday

High: 95 °F
Sunny
Tuesday Night

Low: 71 °F
Slight Chance
T-stormsWednesday

High: 90 °F
Sunny
Wednesday Night

Low: 66 °F
Clear
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 106. Light and variable wind becoming west around 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 77. Light and variable wind.
Monday
Mostly sunny and hot, with a high near 99. Heat index values as high as 110. Light and variable wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 79. South southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 95. Northwest wind 6 to 11 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Northeast wind 5 to 9 mph.
Wednesday
Sunny, with a high near 90. Light north northeast wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 66. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 90. Calm wind becoming northeast 5 to 7 mph in the morning.
Thursday Night
Partly cloudy, with a low around 68. East northeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. South southeast wind around 6 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming north northeast 5 to 9 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Pittsburg IL
37.77°N 88.8°W
37.77°N 88.8°W
12:36 pm CDT Jul 26, 2026
12pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026



