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

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

A Few Clouds

80°F

27°C

Humidity 42%
Wind Speed SW 18 G 26 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 31 Mar 5:56 pm CDT
Extended Forecast for

4 Miles SW Ina IL

  • Tonight

    Tonight: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 62. South southwest wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly between 9am and 4pm. Partly sunny, with a high near 75. South southwest wind 6 to 8 mph.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 65. Southeast wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Breezy, with a south wind 20 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 74 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 64. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Showers and
    Breezy

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 66. South southwest wind around 17 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Northwest wind around 15 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 62. South southwest wind 8 to 15 mph, with gusts as high as 26 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly between 9am and 4pm. Partly sunny, with a high near 75. South southwest wind 6 to 8 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 65. Southeast wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Breezy, with a south wind 20 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm. Low around 64. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 66. South southwest wind around 17 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Northwest wind around 15 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 51. Northwest wind around 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 36. North wind 6 to 11 mph.
Monday
Sunny, with a high near 57. Northeast wind around 7 mph.
Monday Night
Mostly clear, with a low around 41. East southeast wind around 7 mph becoming south southwest after midnight.
Tuesday
Sunny, with a high near 64. South southwest wind 8 to 10 mph becoming northwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Ina IL
 38.11°N 88.95°W
Last Update:
6:06 pm CDT Mar 31, 2026
Forecast Valid:
6pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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