Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fog/Mist

62°F

17°C

Humidity	100%
Wind Speed	NE 3 mph
Barometer	29.76 in (1007.8 mb)
Dewpoint	62°F (17°C)
Visibility	2.00 mi
Last update	17 Jun 1:56 am CDT

More Information:

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

Extended Forecast for

4 Miles ENE Mount Vernon IL

Wind Advisory June 17, 01:00pm until June 17, 08:00pm

Click here for hazard details and duration

Wind Advisory

Overnight
Low: 60 °F
Partly Cloudy
Wednesday
High: 89 °F
Mostly Sunny
then Sunny
and Windy
Wednesday Night
Low: 70 °F
Heavy Rain
and Breezy
Thursday
High: 83 °F
Mostly Sunny
Thursday Night
Low: 61 °F
Partly Cloudy
Juneteenth
High: 83 °F
Sunny
Friday Night
Low: 63 °F
Mostly Clear
Saturday
High: 87 °F
Sunny
Saturday Night
Low: 67 °F
Mostly Clear
then Chance
T-storms

Detailed Forecast

Overnight

Partly cloudy, with a low around 60. Calm wind.

Wednesday

Mostly sunny, with a high near 89. Windy, with a light south wind becoming south southwest 25 to 30 mph in the morning. Winds could gust as high as 45 mph.

Wednesday Night

Showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall. Low around 70. Breezy, with a west southwest wind 21 to 26 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%.

Thursday

Mostly sunny, with a high near 83. West wind 5 to 8 mph.

Thursday Night

Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.

Juneteenth

Sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

Friday Night

Mostly clear, with a low around 63. Calm wind.

Saturday

Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.

Saturday Night

A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Light south wind.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Southwest wind 6 to 16 mph, with gusts as high as 24 mph.

Sunday Night

Showers and possibly a thunderstorm. Mostly cloudy, with a low around 68. West wind 11 to 15 mph, with gusts as high as 22 mph.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 82. North wind 10 to 13 mph, with gusts as high as 18 mph.

Monday Night

A slight chance of showers. Partly cloudy, with a low around 63. North wind 5 to 9 mph becoming light north northeast after midnight.

Tuesday

Mostly sunny, with a high near 82. Northeast wind 3 to 5 mph.