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

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Rain

59°F

15°C

Humidity 96%
Wind Speed SW 7 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 5:56 am CST
Extended Forecast for

2 Miles W Nason IL

  • Today

    Today: Showers and thunderstorms, mainly before 3pm. Temperature rising to near 70 by noon, then falling to around 61 during the remainder of the day. Southwest wind 11 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 70 °F⇓

    Showers then
    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. Calm wind becoming southwest around 6 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. South southwest wind 3 to 6 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 75. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 61. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 58. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 31 mph.

    Low: 58 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before noon, then showers likely. Cloudy, with a high near 69. Breezy, with a south southwest wind 17 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 69 °F

    Showers and
    Breezy

Detailed Forecast

Today
Showers and thunderstorms, mainly before 3pm. Temperature rising to near 70 by noon, then falling to around 61 during the remainder of the day. Southwest wind 11 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Tonight
Mostly cloudy, with a low around 39. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 65. Calm wind becoming southwest around 6 mph.
Sunday Night
Clear, with a low around 46. South southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 75. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 61. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 58. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 31 mph.
Wednesday
Showers and possibly a thunderstorm before noon, then showers likely. Cloudy, with a high near 69. Breezy, with a south southwest wind 17 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 35. North northwest wind 7 to 16 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 53. Northwest wind 6 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 39. West southwest wind 6 to 14 mph becoming south in the evening. Winds could gust as high as 23 mph.
Friday
Mostly cloudy, with a high near 65. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Nason IL
 38.18°N 89.01°W
Last Update:
12:26 am CST Mar 7, 2026
Forecast Valid:
6am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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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