Excessive Heat Continues for Washington State; Flooding Impacts Expected in the Southwest U.S.

Excessive heat will continue over central Washington through Friday with afternoon temperatures into the triple digits. In the Desert Southwest, monsoon activity will continue to generate localized flooding impacts in arroyos, slot canyons, and urban areas, as well as rapid rises on rivers, through this weekend. Flood Watches are widespread across Arizona and New Mexico for Friday and Saturday. Read More >

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Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

66°F

19°C

Humidity	96%
Wind Speed	Calm
Barometer	30.05 in (1017.7 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	17 Aug 8:56 pm CDT

More Information:

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

Extended Forecast for

Mount Vernon IL

Tonight

Mostly Clear
Low: 60 °F
Thursday

Sunny
High: 84 °F
Thursday
Night

Mostly Clear
Low: 62 °F
Friday

Sunny
High: 85 °F
Friday
Night

Mostly Clear
Low: 63 °F
Saturday

Mostly Sunny
then Slight
Chance
T-storms
High: 86 °F
Saturday
Night

Chance
T-storms
Low: 65 °F
Sunday

Chance
Showers
High: 82 °F
Sunday
Night

Slight Chance
T-storms
Low: 64 °F

Detailed Forecast

Tonight

Mostly clear, with a low around 60. Light north northeast wind.

Thursday

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

Thursday Night

Mostly clear, with a low around 62. Light northeast wind.

Friday

Sunny, with a high near 85. Light and variable wind.

Friday Night

Mostly clear, with a low around 63. Calm wind.

Saturday

A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Calm wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 6 mph becoming calm in the evening.

Sunday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Calm wind becoming west southwest 5 to 8 mph in the morning.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.

Monday

A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the morning.

Monday Night

Partly cloudy, with a low around 64. North wind around 5 mph becoming calm in the evening.

Tuesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. North wind 3 to 7 mph.

Tuesday Night

Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.

Wednesday

A slight chance of showers and thunderstorms. Sunny, with a high near 83. Calm wind becoming north northeast around 6 mph in the morning.