Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Partly Cloudy

87°F

31°C

Humidity	65%
Wind Speed	Vrbl 7 mph
Barometer	30.04 in (1017.1 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	13 Jul 10:56 am CDT

More Information:

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

Extended Forecast for

Mount Vernon IL

Today
High: 88 °F⇓
Slight Chance
T-storms then
T-storms
Tonight
Low: 71 °F
Showers and
Patchy Fog
then Chance
Showers and
Patchy Fog
Monday
High: 88 °F
Chance
T-storms and
Patchy Fog
Monday Night
Low: 72 °F
Slight Chance
T-storms
Tuesday
High: 90 °F
Slight Chance
T-storms then
Chance
T-storms
Tuesday Night
Low: 72 °F
Slight Chance
T-storms
Wednesday
High: 92 °F
Chance
T-storms
Wednesday Night
Low: 73 °F
Chance
T-storms
Thursday
High: 91 °F
Chance
T-storms

Detailed Forecast

Today

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Temperature rising to near 88 by noon, then falling to around 77 during the remainder of the day. Southwest wind 3 to 8 mph. Chance of precipitation is 80%.

Tonight

Showers and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Patchy fog after 10pm. Low around 71. Calm wind. Chance of precipitation is 80%.

Monday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Light northeast wind.

Monday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. Calm wind.

Tuesday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.

Tuesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm in the evening.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Southwest wind 3 to 7 mph.

Wednesday Night

A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South southwest wind 3 to 6 mph.

Thursday

A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. West southwest wind 5 to 7 mph.

Thursday Night

A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71. West northwest wind around 6 mph becoming calm in the evening.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Light and variable wind becoming south around 6 mph in the morning.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Light and variable wind.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.