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.

Fog/Mist

50°F

10°C

Humidity 94%
Wind Speed N 5 mph
Barometer 30.17 in
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Wind Chill48°F (9°C)
Last update 19 Nov 12:47 pm CST
Extended Forecast for

Pittsburg IL

  • This Afternoon

    This Afternoon: Patchy fog before 4pm. Otherwise, cloudy, with a high near 55. North wind 3 to 5 mph.

    High: 55 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Showers likely, mainly between 11am and 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 59. Southeast wind 3 to 8 mph. Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then showers between midnight and 3am, then showers and possibly a thunderstorm after 3am. Low around 55. Calm wind. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Friday

    Friday: Showers. High near 67. Light and variable wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 100%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 48. West wind around 6 mph becoming north northeast after midnight. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 61. North northeast wind 3 to 7 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62. Calm wind becoming west around 6 mph.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Patchy fog before 4pm. Otherwise, cloudy, with a high near 55. North wind 3 to 5 mph.
Tonight
Patchy fog after 5am. Otherwise, cloudy, with a low around 47. Light and variable wind.
Thursday
Showers likely, mainly between 11am and 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 59. Southeast wind 3 to 8 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then showers between midnight and 3am, then showers and possibly a thunderstorm after 3am. Low around 55. Calm wind. Chance of precipitation is 90%.
Friday
Showers. High near 67. Light and variable wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 48. West wind around 6 mph becoming north northeast after midnight. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 61. North northeast wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 40. Calm wind.
Sunday
Mostly sunny, with a high near 62. Calm wind becoming west around 6 mph.
Sunday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 45. Calm wind.
Monday
A chance of showers. Mostly cloudy, with a high near 62. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. East southeast wind 3 to 7 mph.
Tuesday
A chance of showers. Mostly cloudy, with a high near 61. South southeast wind 7 to 10 mph becoming west in the afternoon.
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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:
1:11 pm CST Nov 19, 2025
Forecast Valid:
1pm CST Nov 19, 2025-6pm CST Nov 25, 2025
 
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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