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

39°F

4°C

Humidity 82%
Wind Speed W 12 G 24 mph
Barometer 29.73 in (1007.2 mb)
Dewpoint 34°F (1°C)
Visibility 9.00 mi
Wind Chill32°F (0°C)
Last update 20 Mar 3:56 am CDT
Extended Forecast for

Waltonville IL

  • Overnight

    Overnight: A slight chance of rain showers before 5am, then a slight chance of rain and snow showers. Cloudy, with a steady temperature around 40. Breezy, with a west northwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: A slight chance of rain and snow showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 49. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 10%.

    High: 49 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 31. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 31 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy, with a south southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 62 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. South southwest wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61. West northwest wind around 7 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Showers after 1am. Low around 45. Light east wind becoming southeast 6 to 11 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

    Low: 45 °F

    Mostly Cloudy
    then Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 65. Southeast wind 13 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 65 °F

    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. West wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of rain showers before 5am, then a slight chance of rain and snow showers. Cloudy, with a steady temperature around 40. Breezy, with a west northwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 49. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 10%.
Thursday Night
Clear, with a low around 31. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 62. Breezy, with a south southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 39. South southwest wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 61. West northwest wind around 7 mph.
Saturday Night
Showers after 1am. Low around 45. Light east wind becoming southeast 6 to 11 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 65. Southeast wind 13 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 39. West wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 58. West wind 9 to 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 38. West wind 3 to 8 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 61. Light west wind becoming west northwest 5 to 10 mph in the morning.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 39. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 61. West northwest wind 6 to 13 mph, with gusts as high as 20 mph.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Waltonville IL
 38.23°N 89.03°W
Last Update:
3:46 am CDT Mar 20, 2025
Forecast Valid:
4am CDT Mar 20, 2025-6pm CDT Mar 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation