Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Overcast
72°F
22°C
| Humidity | 88% |
| Wind Speed | SW 12 mph |
| Barometer | 29.70 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 1 Aug 4:47 pm CDT |
Extended Forecast for
Pittsburg IL
This Afternoon

High: 71 °F
Slight Chance
ShowersTonight

Low: 66 °F
Chance
ShowersSunday

High: 79 °F
Chance
ShowersSunday Night

Low: 66 °F
Partly Cloudy
Monday

High: 84 °F
Mostly Sunny
Monday Night

Low: 65 °F
Mostly Clear
Tuesday

High: 86 °F
Sunny
Tuesday Night

Low: 66 °F
Mostly Clear
Wednesday

High: 89 °F
Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 71. West wind around 9 mph.
Tonight
A 30 percent chance of showers, mainly after 9pm. Mostly cloudy, with a low around 66. West wind 5 to 8 mph becoming calm.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. North northwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 66. North wind 5 to 11 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 84. North wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind 3 to 6 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southwest wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 72. South southwest wind 3 to 6 mph.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southwest wind 5 to 10 mph.
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ABOUT THIS FORECAST
Point Forecast:
Pittsburg IL
37.78°N 88.86°W
37.78°N 88.86°W
4:26 pm CDT Aug 1, 2026
5pm CDT Aug 1, 2026-6pm CDT Aug 8, 2026



