Critical Fire Weather Threats in the West; Storms in the High Plains; Flash Flood Risk in the Mid-Atlantic

Critical fire weather conditions persist across portions of the Northwest, Northern Rockies and Great Basin. Severe thunderstorms with large hail and a few strong gusts are possible across parts of the northern and central Plains. Heavy rainfall brings a flash flooding risk to the Mid-Atlantic. Heat builds in the Southwest into California this week. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

78°F

26°C

Humidity 90%
Wind Speed Calm
Barometer 29.99 in (1015.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Aug 8:56 pm CDT
Extended Forecast for

4 Miles SE Mount Vernon IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 71. Light and variable wind.

    Chance
    T-storms

    Low: 71 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 84. Calm wind becoming east 5 to 7 mph in the morning.

    Chance
    T-storms

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Northeast wind 3 to 5 mph.

    Slight Chance
    T-storms

    Low: 68 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 86. Calm wind becoming east northeast around 6 mph in the morning.

    Chance
    T-storms

    High: 86 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 66. East northeast wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 66 °F

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 30%.

    Chance
    Showers then
    Chance
    T-storms

    High: 87 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 68. Calm wind.

    Mostly Clear
    then Slight
    Chance
    T-storms

    Low: 68 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    Chance
    T-storms

    High: 88 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 68. Calm wind.

    Mostly Clear
    then Slight
    Chance
    T-storms

    Low: 68 °F

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 71. Light and variable wind.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Calm wind becoming east 5 to 7 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind 3 to 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. Calm wind becoming east northeast around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 66. East northeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. Calm wind.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light northwest wind.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. North wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 59. North wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 78. North northeast wind 3 to 8 mph.
Click Map For Forecast
Point Forecast:
4 Miles SE Mount Vernon IL
 38.27°N 88.86°W
9:17 pm CDT Aug 11, 2020
9pm CDT Aug 11, 2020-6pm CDT Aug 18, 2020
 
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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