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

Hazardous Weather Outlook

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

66°F

19°C

Humidity	87%
Wind Speed	S 6 mph
Barometer	29.75 in (1007.4 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	16 Jun 8:56 pm CDT

More Information:

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

Extended Forecast for

4 Miles N Bonnie IL

Tonight
Low: 59 °F
Mostly Clear
Wednesday
High: 89 °F
Sunny then
Sunny and
Windy
Wednesday Night
Low: 71 °F
Showers and
Breezy
Thursday
High: 83 °F
Mostly Sunny
then Chance
Showers
Thursday Night
Low: 61 °F
Chance
Showers
Juneteenth
High: 83 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 86 °F
Sunny
Saturday Night
Low: 67 °F
Partly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

Mostly clear, with a low around 59. Light and variable wind.

Wednesday

Sunny, with a high near 89. Windy, with a light south wind becoming south southwest 26 to 31 mph in the morning. Winds could gust as high as 41 mph.

Wednesday Night

Showers and possibly a thunderstorm. Low around 71. Breezy, with a west southwest wind 23 to 28 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%.

Thursday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. West southwest wind 7 to 9 mph becoming northwest in the afternoon.

Thursday Night

A 30 percent chance of showers before 1am. Partly cloudy, with a low around 61. North northwest wind around 5 mph becoming calm in the evening.

Juneteenth

Sunny, with a high near 83. 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 86. Light south southwest wind.

Saturday Night

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

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 84. South wind 5 to 11 mph, with gusts as high as 20 mph.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 83. Southeast wind 9 to 11 mph becoming north in the morning. Winds could gust as high as 18 mph.

Monday Night

A chance of showers. Partly cloudy, with a low around 65. North northeast wind 5 to 7 mph becoming calm in the evening.

Tuesday

A slight chance of showers. Mostly sunny, with a high near 84. North wind 3 to 6 mph.