National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Light Rain

35°F

2°C

Humidity 76%
Wind Speed W 13 G 21 mph
Barometer 29.64 in (1004.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 16 Mar 1:56 am CDT
Extended Forecast for

Waltonville IL

Wind Advisory March 16, 02:03am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 16, 02:03am until March 16, 07:00am

    NOW until 7:00am Mon

    Wind Advisory

  • Overnight

    Low: 25 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Monday

    Monday: A slight chance of snow showers between 10am and 11am. Mostly cloudy, with a high near 32. Breezy, with a west northwest wind 22 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 32 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. West northwest wind 13 to 18 mph, with gusts as high as 28 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 36. Northwest wind 6 to 10 mph becoming west southwest in the afternoon.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 30. Light south southeast wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 40%.

    Low: 30 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. South wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. South southwest wind around 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. South southwest wind 6 to 8 mph.

    High: 70 °F

    Sunny

Detailed Forecast

Overnight
A 10 percent chance of snow showers after 5am. Mostly cloudy, with a low around 25. Blustery, with a west northwest wind 21 to 24 mph, with gusts as high as 34 mph.
Monday
A slight chance of snow showers between 10am and 11am. Mostly cloudy, with a high near 32. Breezy, with a west northwest wind 22 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 16. West northwest wind 13 to 18 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 36. Northwest wind 6 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
A slight chance of snow showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 30. Light south southeast wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 61. South wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 42. South southwest wind around 6 mph.
Thursday
Sunny, with a high near 70. South southwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 44. West wind around 5 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 72. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 52. South wind 5 to 7 mph.
Saturday
Sunny, with a high near 76. West wind 7 to 9 mph.
Saturday Night
Mostly clear, with a low around 50. West wind 6 to 9 mph becoming south after midnight.
Sunday
Mostly sunny, with a high near 71. South wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waltonville IL
 38.23°N 89.03°W
Last Update:
1:26 am CDT Mar 16, 2026
Forecast Valid:
2am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

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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