Threats for Tornadoes and Flash Flooding Continue Across the Central U.S. Today

Widespread flooding is ongoing across parts of Oklahoma, Kansas, and Missouri due to very heavy rainfall over the past 24 hours. The threat for severe thunderstorms producing tornadoes, strong winds, large hail, and additional flash flooding, will continue to shift slowly eastward across the region today. Additional, dangerous flooding is expected. Read More >

Hazardous Weather Conditions

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Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

53°F

12°C

Humidity	93%
Wind Speed	E 9 G 23 mph
Barometer	29.94 in (1013.6 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Wind Chill	50°F (10°C)
Last update	21 May 9:56 am CDT

More Information:

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

Extended Forecast for

Sesser IL

Lake Wind Advisory May 21, 12:00pm until May 21, 09:00pm

Click here for hazard details and duration

Lake Wind Advisory

Today

Slight Chance
T-storms
High: 82 °F
Tonight

Severe
Thunderstorms
Low: 64 °F
Wednesday

Chance
T-storms then
Sunny
High: 85 °F
Wednesday
Night

Mostly Clear
then Slight
Chance
T-storms
Low: 68 °F
Thursday

Slight Chance
T-storms
High: 88 °F
Thursday
Night

Mostly Clear
Low: 68 °F
Friday

Sunny
High: 88 °F
Friday
Night

Mostly Clear
Low: 68 °F
Saturday

Mostly Sunny
then Chance
T-storms
High: 87 °F

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Southeast wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Tonight

Showers and thunderstorms, mainly before 4am. Some of the storms could be severe. Low around 64. South wind 8 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 24 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South wind around 8 mph.

Thursday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Southwest wind 8 to 10 mph.

Thursday Night

Mostly clear, with a low around 68. South wind around 7 mph.

Friday

Sunny, with a high near 88. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.

Friday Night

Mostly clear, with a low around 68. South southwest wind around 9 mph.

Saturday

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. West southwest wind around 10 mph.