Heavy Rain and Mountain Snow For the West Coast; Lake Effect Snow in the Great Lakes

A series of Pacific storms will deliver multiple rounds of heavy rain and mountain snow Wednesday into the Thanksgiving holiday weekend. There is an elevated concern for flash flooding, mudslides and debris flows near wildfire burn scars in California. A weak storm system will cross the Great Lakes Wednesday with accumulating Lake Effect snow. Read More >

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fog/Mist

23°F

-5°C

Humidity 92%
Wind Speed SW 3 mph
Barometer 30.31 in (1026.9 mb)
Dewpoint 21°F (-6°C)
Visibility 6.00 mi
Last update 20 Nov 11:56 pm CST
Extended Forecast for

Mount Vernon IL

  • Overnight

    Overnight: Patchy fog before 3am.  Otherwise, clear, with a temperature rising to around 26 by 5am. Light south southwest wind.

    Patchy Fog

    Low: 22 °F

  • Wednesday

    Wednesday: Sunny, with a high near 51. West wind 3 to 6 mph.

    Sunny

    High: 51 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 29. Light and variable wind.

    Mostly Clear

    Low: 29 °F

  • Thanksgiving
    Day

    Thanksgiving Day: Sunny, with a high near 54. Calm wind becoming south southeast around 6 mph in the afternoon.

    Sunny

    High: 54 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 36. South southeast wind around 7 mph.

    Clear

    Low: 36 °F

  • Friday

    Friday: Showers likely after 1pm.  Partly sunny, with a high near 52. South wind 8 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%.

    Mostly Sunny
    then Showers
    Likely

    High: 52 °F

  • Friday
    Night

    Friday Night: Showers, mainly before 1am.  Low around 43. South wind 11 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%.

    Showers

    Low: 43 °F

  • Saturday

    Saturday: A chance of showers before 7am.  Partly sunny, with a high near 57. Southwest wind 6 to 10 mph.

    Chance
    Showers then
    Partly Sunny

    High: 57 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 41. South southeast wind 5 to 8 mph.

    Mostly Cloudy

    Low: 41 °F

Detailed Forecast

Overnight
Patchy fog before 3am. Otherwise, clear, with a temperature rising to around 26 by 5am. Light south southwest wind.
Wednesday
Sunny, with a high near 51. West wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 29. Light and variable wind.
Thanksgiving Day
Sunny, with a high near 54. Calm wind becoming south southeast around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 36. South southeast wind around 7 mph.
Friday
Showers likely after 1pm. Partly sunny, with a high near 52. South wind 8 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Friday Night
Showers, mainly before 1am. Low around 43. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday
A chance of showers before 7am. Partly sunny, with a high near 57. Southwest wind 6 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 41. South southeast wind 5 to 8 mph.
Sunday
Showers likely after 1pm. Partly sunny, with a high near 56. South wind 8 to 14 mph, with gusts as high as 29 mph.
Sunday Night
Showers likely. Mostly cloudy, with a low around 37. South wind around 15 mph becoming west after midnight. Winds could gust as high as 26 mph.
Monday
A chance of showers. Partly sunny, with a high near 43. West wind 11 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 28. West northwest wind around 11 mph.
Tuesday
Partly sunny, with a high near 37. West northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Click Map For Forecast
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
11:16 pm CST Nov 20, 2018
12am CST Nov 21, 2018-6pm CST Nov 26, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database