Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

66°F

19°C

Humidity	54%
Wind Speed	SW 9 mph
Barometer	29.98 in (1015.4 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	12 May 10:56 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mount Vernon IL

Tonight
Low: 59 °F
Mostly Cloudy
Wednesday
High: 73 °F
Sunny
Wednesday Night
Low: 48 °F
Clear
Thursday
High: 73 °F
Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
Friday
High: 84 °F
Chance
T-storms
Friday Night
Low: 67 °F
Slight Chance
T-storms
Saturday
High: 88 °F
Chance
T-storms
Saturday Night
Low: 68 °F
Slight Chance
T-storms

Detailed Forecast

Tonight

Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 59. South southwest wind 6 to 8 mph becoming west after midnight.

Wednesday

Sunny, with a high near 73. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.

Wednesday Night

Clear, with a low around 48. North northwest wind 5 to 7 mph becoming calm in the evening.

Thursday

Sunny, with a high near 73. Calm wind.

Thursday Night

Partly cloudy, with a low around 54. Calm wind becoming south southeast 5 to 9 mph in the evening.

Friday

A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 84. South southeast wind 11 to 16 mph, with gusts as high as 23 mph.

Friday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 67. South wind around 9 mph, with gusts as high as 18 mph.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 88. South southwest wind around 8 mph.

Saturday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind 3 to 6 mph.

Sunday

Mostly sunny, with a high near 88. South wind 8 to 16 mph, with gusts as high as 23 mph.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind 11 to 13 mph, with gusts as high as 22 mph.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 14 to 18 mph, with gusts as high as 24 mph.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. South wind 7 to 10 mph, with gusts as high as 20 mph.