Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
47°F
8°C
| Humidity | 36% |
| Wind Speed | W 9 mph |
| Barometer | 30.06 in (1018.5 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 21 Jan 4:56 pm CST |
Extended Forecast for
9 Miles WSW Johnsonville IL
Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Tonight
Low: 23 °F
Increasing
CloudsThursday
High: 38 °F
Mostly Sunny
Thursday Night
Low: 14 °F
Mostly Cloudy
Friday
High: 18 °F
Mostly Cloudy
Friday Night
Low: 5 °F
Cloudy then
Slight Chance
Snow ShowersSaturday
High: 15 °F
Snow Showers
LikelySaturday Night
Low: 10 °F
Snow Showers
Sunday
High: 18 °F
Chance Snow
ShowersSunday Night
Low: 1 °F
Mostly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 23. West southwest wind 5 to 7 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 38. Light west northwest wind.
Thursday Night
Mostly cloudy, with a low around 14. Light and variable wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 22 mph.
Friday
Mostly cloudy, with a high near 18. Wind chill values as low as -1. North wind 10 to 14 mph, with gusts as high as 23 mph.
Friday Night
A 20 percent chance of snow showers after midnight. Cloudy, with a low around 5. North northeast wind around 10 mph, with gusts as high as 21 mph.
Saturday
Snow showers likely, mainly after noon. Cloudy, with a high near 15. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
Snow showers. Low around 10. Northeast wind around 8 mph. Chance of precipitation is 80%.
Sunday
A chance of snow showers, mainly before noon. Mostly cloudy, with a high near 18. North wind around 8 mph.
Sunday Night
Mostly cloudy, with a low around 1. West northwest wind around 6 mph.
Monday
Mostly sunny, with a high near 16. West northwest wind around 7 mph.
Monday Night
Mostly clear, with a low around 2. West southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 26. South southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 13. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 28. West northwest wind 6 to 9 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
3:41 pm CST Jan 21, 2026
5pm CST Jan 21, 2026-6pm CST Jan 28, 2026
Additional Resources
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