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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

24°F

-4°C

Humidity 57%
Wind Speed N 9 mph
Barometer 30.41 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 23 Jan 3:55 am CST
Extended Forecast for

2 Miles ESE Frankfort Heights IL

Cold Weather Advisory January 23, 06:00pm until January 24, 01:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • Today

    Today: Partly sunny, with a temperature falling to around 11 by 5pm. Wind chill values as low as -4. North wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 18 °F⇓

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 7. Wind chill values as low as -9. Northeast wind around 14 mph, with gusts as high as 22 mph.

    Low: 7 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow showers. High near 14. Wind chill values as low as -8. Northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 14 °F

    Snow Showers
    Likely then
    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers before 9pm, then snow showers, possibly mixed with sleet. Low around 12. Wind chill values as low as -1. Northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 12 °F

    Snow/Sleet

  • Sunday

    Sunday: Snow showers, possibly mixed with sleet, becoming all snow after 9am. High near 17. North wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 17 °F

    Snow/Sleet
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 1. Northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 1 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 16. West northwest wind 5 to 10 mph.

    High: 16 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 3. Light southwest wind increasing to 5 to 9 mph in the evening.

    Low: 3 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Southwest wind 6 to 9 mph.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a temperature falling to around 11 by 5pm. Wind chill values as low as -4. North wind 13 to 16 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 7. Wind chill values as low as -9. Northeast wind around 14 mph, with gusts as high as 22 mph.
Saturday
Snow showers. High near 14. Wind chill values as low as -8. Northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Snow showers before 9pm, then snow showers, possibly mixed with sleet. Low around 12. Wind chill values as low as -1. Northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Sunday
Snow showers, possibly mixed with sleet, becoming all snow after 9am. High near 17. North wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 1. Northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 16. West northwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 3. Light southwest wind increasing to 5 to 9 mph in the evening.
Tuesday
Mostly sunny, with a high near 30. Southwest wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 9. South southwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 24. Northwest wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 4. West wind around 6 mph.
Thursday
Mostly sunny, with a high near 19. Northwest wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Frankfort Heights IL
 37.89°N 88.83°W
Last Update:
3:16 am CST Jan 23, 2026
Forecast Valid:
4am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation