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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

96°F

36°C

Humidity 51%
Wind Speed S 10 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 75°F (24°C)
Visibility NA
Heat Index108°F (42°C)
Last update 20 Jul 4:56 pm CDT
Extended Forecast for

3 Miles ESE Sesser IL

Heat Advisory until July 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 23, 07:00pm

    NOW until
    7:00pm Sun

    Heat Advisory

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 96. Heat index values as high as 106. Southwest wind around 7 mph.

    Sunny

    High: 96 °F

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southwest wind 3 to 7 mph.

    Mostly Clear

    Low: 76 °F

  • Friday

    Friday: Sunny, with a high near 96. Heat index values as high as 107. South southwest wind 3 to 7 mph.

    Sunny

    High: 96 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 77. South wind around 6 mph.

    Mostly Clear

    Low: 77 °F

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Southwest wind 6 to 10 mph.

    Hot

    High: 97 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 76. South southwest wind 6 to 8 mph.

    Mostly Clear
    then Slight
    Chance
    T-storms

    Low: 76 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92. West wind around 6 mph.

    Chance
    T-storms

    High: 92 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 71. Light west southwest wind.

    Chance
    T-storms

    Low: 71 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 96. Heat index values as high as 106. Southwest wind around 7 mph.
Tonight
Mostly clear, with a low around 76. South southwest wind 3 to 7 mph.
Friday
Sunny, with a high near 96. Heat index values as high as 107. South southwest wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 77. South wind around 6 mph.
Saturday
Sunny and hot, with a high near 97. Southwest wind 6 to 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southwest wind 6 to 8 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. West wind around 6 mph.
Sunday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71. Light west southwest wind.
Monday
Mostly sunny, with a high near 88. North wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 67. Northeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 85. Northeast wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 66. East wind 3 to 5 mph.
Wednesday
Sunny, with a high near 90. East southeast wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 69. South wind 3 to 5 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind 3 to 6 mph.
Click Map For Forecast
Point Forecast:
3 Miles ESE Sesser IL
 38.07°N 89.01°W
3:15 pm CDT Jul 20, 2017
5pm CDT Jul 20, 2017-6pm CDT Jul 27, 2017
 
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