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

5 Miles NW McLeansboro IL

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

Click here for hazard details and duration

Wind Advisory

Overnight
Low: 64 °F
Partly Cloudy
Wednesday
High: 90 °F
Mostly Sunny
then Sunny
and Breezy
Wednesday Night
Low: 71 °F
Showers and
Breezy
Thursday
High: 85 °F
Slight Chance
Showers then
Mostly Sunny
Thursday Night
Low: 62 °F
Mostly Cloudy
Juneteenth
High: 84 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 87 °F
Sunny
Saturday Night
Low: 67 °F
Mostly Clear
then Chance
Showers

Detailed Forecast

Overnight

Partly cloudy, with a steady temperature around 64. Calm wind.

Wednesday

Mostly sunny, with a high near 90. Breezy, with a south southwest wind 5 to 15 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 43 mph.

Wednesday Night

Showers and thunderstorms, mainly before 3am. Low around 71. Breezy, with a south southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%.

Thursday

A slight chance of showers between 7am and 9am. Mostly sunny, with a high near 85. West wind 6 to 8 mph. Chance of precipitation is 20%.

Thursday Night

Mostly cloudy, with a low around 62. North northwest wind around 6 mph becoming calm in the evening.

Juneteenth

Sunny, with a high near 84. Calm wind becoming north northwest around 6 mph in the afternoon.

Friday Night

Mostly clear, with a low around 62. Light north 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. Calm wind becoming south around 5 mph after midnight.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. 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 69. West wind 14 to 16 mph, with gusts as high as 22 mph.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 83. West southwest wind around 14 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

Monday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. North wind 5 to 10 mph becoming light north northeast after midnight.

Tuesday

Mostly sunny, with a high near 83. North wind around 6 mph.