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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

7°F

-14°C

Humidity 66%
Wind Speed NW 3 mph
Barometer 30.36 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 26 Jan 1:55 am CST
Extended Forecast for

2 Miles WNW Whiteash IL

Extreme Cold Warning January 26, 02:12am until January 27, 10:00am
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 02:12am until January 27, 10:00am

    NOW until 10:00am Tue

    Extreme Cold Warning

  • Overnight

    Low: -4 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 14. Wind chill values as low as -20. West northwest wind 5 to 9 mph.

    High: 14 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a temperature rising to around 10 by 4am. Wind chill values as low as -9. Light south southwest wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 23 mph.

    Low: 5 °F⇑

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. Wind chill values as low as -5. Southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -2. Northwest wind around 5 mph becoming calm in the evening.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 27 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. Light and variable wind.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 22. Calm wind becoming north around 6 mph in the morning.

    High: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around -4. Wind chill values as low as -15. West northwest wind around 9 mph.
Monday
Sunny, with a high near 14. Wind chill values as low as -20. West northwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a temperature rising to around 10 by 4am. Wind chill values as low as -9. Light south southwest wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 31. Wind chill values as low as -5. Southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around -2. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 27. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 5. Light and variable wind.
Thursday
Mostly cloudy, with a high near 22. Calm wind becoming north around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 4. Calm wind becoming north around 5 mph after midnight.
Friday
Mostly sunny, with a high near 18. North wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around -3. North wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 22. Northwest wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 4. Light and variable wind.
Sunday
Partly sunny, with a high near 28. South southwest wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Whiteash IL
 37.8°N 88.97°W
Last Update:
1:01 am CST Jan 26, 2026
Forecast Valid:
2am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
Forecast Discussion
 
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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