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.

Overcast

46°F

8°C

Humidity 81%
Wind Speed NW 6 mph
Barometer 30.08 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 8 Mar 12:55 am CDT
Extended Forecast for

Valier IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. Northwest wind around 6 mph becoming calm.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. South southwest wind around 7 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74. South southwest wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 61. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. South southwest wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 79 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 61. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Cloudy, with a high near 72. South southwest wind 16 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 72 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight. Partly cloudy, with a low around 34. Northwest wind 15 to 18 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Northwest wind around 6 mph becoming calm.
Sunday
Sunny, with a high near 65. Calm wind becoming south southwest 5 to 8 mph in the morning.
Sunday Night
Clear, with a low around 45. South southwest wind around 7 mph.
Monday
Sunny, with a high near 74. South southwest wind 7 to 16 mph, with gusts as high as 23 mph.
Monday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 61. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. South southwest wind 9 to 17 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 72. South southwest wind 16 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
A chance of showers before midnight. Partly cloudy, with a low around 34. Northwest wind 15 to 18 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 55. Northwest wind 6 to 15 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 40. South wind 5 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 66. Southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 41. Southwest wind 8 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Partly sunny, with a high near 61. Northeast wind 8 to 13 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.03°N 89.04°W
Last Update:
10:36 pm CST Mar 7, 2026
Forecast Valid:
12am CST Mar 8, 2026-6pm CDT Mar 14, 2026
 
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Additional Resources

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Chance of Precipitation