Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Thunderstorm in Vicinity and Breezy
71°F
22°C
| Humidity | 84% |
| Wind Speed | SW 23 G 28 mph |
| Barometer | 29.72 in (1006.7 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 8.00 mi |
| Last update | 11 Mar 11:56 am CDT |
Extended Forecast for
Mount Vernon IL
Severe T-storm Warning March 11, 12:43pm until March 11, 12:45pm
NOW until 12:45pm Wed
Severe T-storm Warning
This Afternoon
High: 67 °F⇓
Showers
Tonight
Low: 31 °F
Gradual
ClearingThursday
High: 54 °F
Sunny
Thursday Night
Low: 41 °F
Partly Cloudy
then Partly
Cloudy and
BreezyFriday
High: 62 °F
Partly Sunny
Friday Night
Low: 37 °F
Partly Cloudy
Saturday
High: 64 °F
Mostly Sunny
Saturday Night
Low: 52 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of showers after 4pm. Temperature falling to around 45 by 5pm. Northwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 31. North northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 54. Calm wind becoming west 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 41. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 25 mph.
Friday
Partly sunny, with a high near 62. Southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 37. Northwest wind around 5 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 64. East wind 6 to 10 mph becoming south southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 52. Southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Sunday
A chance of showers and thunderstorms, then showers likely after 1pm. Mostly cloudy, with a high near 67. Breezy, with a south wind 16 to 23 mph, with gusts as high as 32 mph.
Sunday Night
A chance of rain and snow showers before 1am. Mostly cloudy, with a low around 26. Blustery, with a northwest wind 20 to 23 mph, with gusts as high as 33 mph.
Monday
Sunny, with a high near 39. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 20. Northwest wind 6 to 10 mph.
Tuesday
Partly sunny, with a high near 42. West northwest wind 5 to 8 mph becoming southwest in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mount Vernon IL
38.31°N 88.91°W
38.31°N 88.91°W
11:56 am CDT Mar 11, 2026
12pm CDT Mar 11, 2026-6pm CDT Mar 17, 2026
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