Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Mostly Cloudy

81°F

27°C

Humidity 82%
Wind Speed S 10 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 9 Jun 8:56 am CDT
Extended Forecast for

3 Miles SE Sesser IL

Flood Watch June 9, 09:40am until June 9, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 9, 09:40am until June 9, 07:00pm

    NOW until 7:00pm Tue

    Flood Watch

  • Today

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm.  Mostly cloudy, then gradually becoming clear, with a low around 76. Southwest wind around 8 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. South southwest wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. South southwest wind 9 to 18 mph, with gusts as high as 25 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 73. South southwest wind 8 to 16 mph becoming west after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 70%.

    Low: 73 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 86. Northwest wind around 7 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind around 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 76. Southwest wind around 8 mph.
Wednesday
Sunny, with a high near 93. South southwest wind 7 to 15 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 77. South southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 93. South southwest wind 9 to 18 mph, with gusts as high as 25 mph.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South southwest wind 8 to 16 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 86. Northwest wind around 7 mph.
Friday Night
Mostly clear, with a low around 66. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. South southeast wind 3 to 7 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. North northwest wind 3 to 7 mph.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. North wind 6 to 8 mph becoming west northwest in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Sesser IL
 38.07°N 89.01°W
5:36 am CDT Jun 9, 2026
9am CDT Jun 9, 2026-6pm CDT Jun 15, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database