Heavy Rainfall, Flooding, And Severe Thunderstorm Threats From The Mid South To The Great Lakes Today And Tonight

A slow moving low pressure system and cold front will bring the potential for severe thunderstorms capable of producing damaging winds and isolated tornadoes from portions of the Mid South to the Midwest and Great Lakes today and tonight. Heavy rainfall could also lead to flooding concerns. The severe weather threat will shift to the Mid Atlantic and Northeast on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

79°F

26°C

Humidity 82%
Wind Speed S 12 mph
Barometer 29.92 in (1012.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 25 Sep 1:56 pm CDT
Extended Forecast for

4 Miles SE Mount Vernon IL

  • This
    Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Cloudy, with a high near 80. South southwest wind 8 to 11 mph.

    Chance
    T-storms

    High: 80 °F

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. South southwest wind 7 to 10 mph becoming northwest after midnight.

    Chance
    Showers

    Low: 59 °F

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 70. North wind 7 to 10 mph.

    Decreasing
    Clouds

    High: 70 °F

  • Wednesday
    Night

    Wednesday Night: Increasing clouds, with a low around 51. Light north northeast wind.

    Increasing
    Clouds

    Low: 51 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Calm wind becoming south southwest around 5 mph in the afternoon.

    Mostly Sunny

    High: 72 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 51. Light south wind.

    Clear

    Low: 51 °F

  • Friday

    Friday: Sunny, with a high near 77. Calm wind becoming south southwest around 5 mph in the afternoon.

    Sunny

    High: 77 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 57. South wind around 5 mph becoming northeast after midnight.

    Mostly Clear

    Low: 57 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Northeast wind 5 to 7 mph becoming south southeast in the afternoon.

    Mostly Sunny

    High: 75 °F

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 80. South southwest wind 8 to 11 mph.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South southwest wind 7 to 10 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 70. North wind 7 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 51. Light north northeast wind.
Thursday
Mostly sunny, with a high near 72. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 51. Light south wind.
Friday
Sunny, with a high near 77. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. South wind around 5 mph becoming northeast after midnight.
Saturday
Mostly sunny, with a high near 75. Northeast wind 5 to 7 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 58. Southeast wind 3 to 6 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. South southeast wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 61. South southeast wind around 6 mph.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. South southwest wind 6 to 10 mph.
Click Map For Forecast
Point Forecast:
4 Miles SE Mount Vernon IL
 38.27°N 88.86°W
1:27 pm CDT Sep 25, 2018
2pm CDT Sep 25, 2018-6pm CDT Oct 1, 2018
 
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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