Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

37°F

3°C

Humidity 45%
Wind Speed NW 14 mph
Barometer 30.52 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 11 Jan 12:45 pm CST
Extended Forecast for

4 Miles SE Pittsburg IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 39. Northwest wind 3 to 8 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 23. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 23 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 49. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. South southwest wind 6 to 9 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 41. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon.  Mostly cloudy, with a high near 46. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. North northwest wind 13 to 18 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 39. Northwest wind 3 to 8 mph.
Tonight
Clear, with a low around 23. Calm wind becoming south southwest around 6 mph after midnight.
Monday
Sunny, with a high near 49. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 35. South southwest wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 58. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 41. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 46. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 19. North northwest wind 13 to 18 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 33. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 25. Light and variable wind becoming south southwest 5 to 8 mph in the evening.
Friday
Partly sunny, with a high near 43. South southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 25. West wind 6 to 8 mph.
Saturday
Mostly cloudy, with a high near 35. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Pittsburg IL
 37.75°N 88.81°W
1:17 pm CST Jan 11, 2026
1pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database