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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Pittsburg IL

  • Today

    Today: Mostly sunny, with a high near 70. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 39. South wind 5 to 10 mph becoming west northwest 12 to 17 mph in the evening. Winds could gust as high as 30 mph.

    Low: 39 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 44. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 28 mph.

    High: 44 °F

    Gradual
    Clearing and
    Breezy

  • Sunday Night

    Sunday Night: A chance of flurries after midnight. Partly cloudy, with a low around 25. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 40. Northwest wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24. Calm wind becoming southwest 5 to 7 mph after midnight.

    Low: 24 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 52. Breezy, with a south southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 52 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. West wind 7 to 11 mph.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 70. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 39. South wind 5 to 10 mph becoming west northwest 12 to 17 mph in the evening. Winds could gust as high as 30 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 44. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 28 mph.
Sunday Night
A chance of flurries after midnight. Partly cloudy, with a low around 25. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 40. Northwest wind 9 to 17 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 24. Calm wind becoming southwest 5 to 7 mph after midnight.
Veterans Day
Mostly sunny, with a high near 52. Breezy, with a south southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 42. Southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 65. West wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 37. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 63. Calm wind becoming west around 6 mph.
Thursday Night
Partly cloudy, with a low around 44. Calm wind becoming south around 5 mph after midnight.
Friday
Mostly sunny, with a high near 66. South wind 6 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg IL
 37.78°N 88.86°W
Last Update:
3:16 am CST Nov 8, 2025
Forecast Valid:
5am CST Nov 8, 2025-6pm CST Nov 14, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation