National Weather Service

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fog/Mist

14°C

58°F

Humidity	100%
Wind Speed	NE 6 km/h
Barometer	1010.3 mb (29.84 in)
Dewpoint	14°C (58°F)
Visibility	4.02 km
Last update	18 May 2:56 am CDT

More Information:

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

Extended Forecast for

2 Miles ENE Mount Vernon IL

Dense Fog Advisory until May 18, 08:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until May 18, 08:00am
NOW until 8:00am Sat
Dense Fog Advisory
Overnight
Low: 15 °C
Areas Dense
Fog
Saturday
High: 28 °C
Areas Dense
Fog then
Mostly Sunny
Saturday Night
Low: 16 °C
Mostly Clear
Sunday
High: 31 °C
Sunny
Sunday Night
Low: 18 °C
Mostly Clear
Monday
High: 31 °C
Mostly Sunny
Monday Night
Low: 20 °C
Slight Chance
Showers
Tuesday
High: 32 °C
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Overnight

Areas of dense fog. Otherwise, mostly clear, with a low around 15. Calm wind.

Saturday

Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 28. Calm wind.

Saturday Night

Mostly clear, with a low around 16. Calm wind.

Sunday

Sunny, with a high near 31. Calm wind becoming south southeast 5 to 8 km/h in the afternoon.

Sunday Night

Mostly clear, with a low around 18. Calm wind.

Monday

Mostly sunny, with a high near 31. South wind 5 to 14 km/h.

Monday Night

A 20 percent chance of showers. Partly cloudy, with a low around 20. South wind 8 to 10 km/h.

Tuesday

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 32. South wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 39 km/h.

Tuesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 20. South southwest wind 16 to 23 km/h, with gusts as high as 37 km/h.

Wednesday

A chance of showers and thunderstorms. Partly sunny, with a high near 29. South southwest wind 16 to 18 km/h, with gusts as high as 32 km/h.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 15. West wind around 11 km/h.

Thursday

A chance of showers and thunderstorms. Mostly sunny, with a high near 27. West wind 10 to 13 km/h.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 16. West southwest wind 5 to 8 km/h becoming southeast in the evening.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 27. South southeast wind 10 to 13 km/h becoming west southwest in the afternoon.