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Excessive Heat in parts of the Central and Southern U.S.

Heat Advisories and Excessive Heat Warnings extend from the Southern Plains into the Mid-Atlantic and Southeast today. High temperatures for these areas will mostly be in the upper 90s. A few locations may exceed 100. Hot temperatures combined with high dew points will create heat index values of 100 to 115 degrees. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 29.87 in (1011.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 23 Jul 9:56 pm CDT
Extended Forecast for

Mount Vernon IL

  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 69. Calm wind becoming north northwest 5 to 7 mph after midnight.

    Partly Cloudy
    then Patchy
    Fog

    Low: 69 °F

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, sunny, with a high near 89. Calm wind becoming north northwest around 5 mph in the afternoon.

    Patchy Fog
    then Sunny

    High: 89 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 67. Northeast wind 3 to 5 mph.

    Mostly Clear

    Low: 67 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. East northeast wind 3 to 5 mph.

    Mostly Sunny

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 69. Light east northeast wind.

    Mostly Clear

    Low: 69 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.

    Sunny then
    Slight Chance
    T-storms

    High: 93 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 74. South wind 3 to 5 mph.  Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 74 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 89. West wind 3 to 5 mph.

    Chance
    T-storms

    High: 89 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. West wind around 5 mph becoming light and variable  after midnight.

    Chance
    T-storms

    Low: 70 °F

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 69. Calm wind becoming north northwest 5 to 7 mph after midnight.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 89. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67. Northeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 89. East northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 69. Light east northeast wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. South wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 89. West wind 3 to 5 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West wind around 5 mph becoming light and variable after midnight.
Friday
A chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 85. North northeast wind 3 to 6 mph.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. North northeast wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 84. North northeast wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 63. North northeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 86. North northeast wind 3 to 6 mph.
Click Map For Forecast
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
9:15 pm CDT Jul 23, 2017
10pm CDT Jul 23, 2017-6pm CDT Jul 30, 2017
 
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