Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East and West

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

93°F

34°C

Humidity	60%
Wind Speed	S 16 G 24 mph
Barometer	29.88 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	107°F (42°C)
Last update	16 Jul 3:56 pm CDT

More Information:

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

Extended Forecast for

Sesser IL

This Afternoon
High: 90 °F
Chance
T-storms
Tonight
Low: 75 °F
Chance
T-storms
Thursday
High: 91 °F
Slight Chance
T-storms then
Chance
T-storms
Thursday Night
Low: 73 °F
Chance
T-storms
Friday
High: 88 °F
Chance
Showers then
T-storms
Likely
Friday Night
Low: 74 °F
T-storms
Likely then
Chance
T-storms
Saturday
High: 91 °F
Chance
T-storms
Saturday Night
Low: 76 °F
Slight Chance
T-storms
Sunday
High: 92 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms. Sunny, with a steady temperature around 90. Southwest wind around 6 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. South southwest wind 5 to 7 mph.

Thursday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. West southwest wind 5 to 7 mph becoming northwest in the afternoon.

Thursday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light and variable wind.

Friday

A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 88. Light and variable wind becoming east southeast around 5 mph. Chance of precipitation is 60%.

Friday Night

Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 74. Light south southeast wind. Chance of precipitation is 60%.

Saturday

A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 91. South southwest wind 5 to 8 mph. Chance of precipitation is 40%.

Saturday Night

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. South southwest wind around 6 mph.

Sunday

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Southwest wind around 6 mph.

Sunday Night

A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. South southeast wind 3 to 5 mph.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southwest wind 5 to 8 mph.

Monday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 7 mph.

Tuesday

A slight chance of showers and thunderstorms. Sunny, with a high near 96. Southwest wind 6 to 8 mph.