Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
22°F
-6°C
| Humidity | 63% |
| Wind Speed | Calm |
| Barometer | 30.32 in (1027.7 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Last update | 22 Jan 5:56 am CST |
Extended Forecast for
9 Miles WSW Johnsonville IL
Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Today
High: 38 °F
Partly Sunny
Tonight
Low: 12 °F
Partly Cloudy
Friday
High: 16 °F⇓
Partly Sunny
Friday Night
Low: 5 °F
Mostly Cloudy
Saturday
High: 15 °F
Chance Snow
Showers then
Snow ShowersSaturday Night
Low: 10 °F
Snow Showers
Sunday
High: 18 °F
Chance Snow
Showers then
Slight Chance
Snow ShowersSunday Night
Low: 2 °F
Mostly Cloudy
Monday
High: 18 °F
Sunny
Detailed Forecast
Today
Partly sunny, with a high near 38. West northwest wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 12. Light and variable wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 24 mph.
Friday
Partly sunny, with a temperature falling to around 11 by 5pm. Wind chill values as low as -2. North wind 9 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 5. Wind chill values as low as -9. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Snow showers, mainly after noon. High near 15. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Snow showers. Low around 10. North northeast wind 6 to 8 mph. Chance of precipitation is 90%.
Sunday
A 50 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 18. North northwest wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 2. Northwest wind around 6 mph.
Monday
Sunny, with a high near 18. West northwest wind around 7 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 6. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 30. Southwest wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 17. Light and variable wind becoming west southwest around 5 mph after midnight.
Wednesday
Partly sunny, with a high near 30. West wind 5 to 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
9 Miles WSW Johnsonville IL
38.48°N 88.68°W
38.48°N 88.68°W
5:06 am CST Jan 22, 2026
6am CST Jan 22, 2026-6pm CST Jan 28, 2026
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