National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

A Powerful Storm System To Impact the Southern Plains to the Gulf Coast

A vigorous storm system will develop over the southern Plains and deliver several threats on Thursday. Strong winds are expected across the region along with fire weather concerns from southeast New Mexico to south Texas. A marginal risk of severe storms and excessive rain from the ArkLaTex to the central Gulf Coast. Even a few inches of snow will be possible in Texas, including just west of DFW. Read More >

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

35°F

2°C

Humidity 93%
Wind Speed S 3 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 12 Dec 11:56 pm CST
Extended Forecast for

Mount Vernon IL

  • Overnight

    Overnight: A 30 percent chance of rain after 5am. Increasing clouds, with a temperature rising to around 41 by 4am. South wind 3 to 6 mph.

    Chance Rain

    Low: 34 °F⇑

  • Thursday

    Thursday: Rain, mainly after 8am. High near 50. Southeast wind 6 to 9 mph. Chance of precipitation is 90%.

    Rain

    High: 50 °F

  • Thursday
    Night

    Thursday Night: Rain. Low around 44. East southeast wind 6 to 8 mph. Chance of precipitation is 90%.

    Rain

    Low: 44 °F

  • Friday

    Friday: Rain. High near 49. Northeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.

    Rain

    High: 49 °F

  • Friday
    Night

    Friday Night: Rain. Low around 40. North northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    Rain

    Low: 40 °F

  • Saturday

    Saturday: Rain likely before 7am, then a chance of showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 47. North wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Rain Likely

    High: 47 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers before 7pm. Mostly clear, with a low around 31. North wind 3 to 7 mph.

    Slight Chance
    Showers then
    Mostly Clear

    Low: 31 °F

  • Sunday

    Sunday: Sunny, with a high near 48. West northwest wind 3 to 6 mph.

    Sunny

    High: 48 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 31. West northwest wind around 6 mph.

    Partly Cloudy

    Low: 31 °F

Detailed Forecast

Overnight
A 30 percent chance of rain after 5am. Increasing clouds, with a temperature rising to around 41 by 4am. South wind 3 to 6 mph.
Thursday
Rain, mainly after 8am. High near 50. Southeast wind 6 to 9 mph. Chance of precipitation is 90%.
Thursday Night
Rain. Low around 44. East southeast wind 6 to 8 mph. Chance of precipitation is 90%.
Friday
Rain. High near 49. Northeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Friday Night
Rain. Low around 40. North northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Saturday
Rain likely before 7am, then a chance of showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 47. North wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers before 7pm. Mostly clear, with a low around 31. North wind 3 to 7 mph.
Sunday
Sunny, with a high near 48. West northwest wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 31. West northwest wind around 6 mph.
Monday
Sunny, with a high near 45. Northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 27. North northwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 44. Light and variable wind becoming south southeast around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 30. South wind around 6 mph.
Wednesday
Mostly sunny, with a high near 48. South southwest wind 5 to 9 mph.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
11:44 pm CST Dec 12, 2018
Forecast Valid:
12am CST Dec 13, 2018-6pm CST Dec 18, 2018
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation