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.

Fair

50°F

10°C

Humidity 41%
Wind Speed S 14 mph
Barometer 30.20 in (1023.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 12 Jan 3:56 pm CST
Extended Forecast for

8 Miles SSE Iuka IL

  • Tonight

    Tonight: Mostly clear, with a low around 34. Southwest wind 5 to 8 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 60. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 60 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 42 by 11am, then falling to around 33 during the remainder of the day. Northwest wind 9 to 18 mph, with gusts as high as 28 mph.

    High: 42 °F⇓

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. North wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Southwest wind 5 to 8 mph.
Tuesday
Increasing clouds, with a high near 60. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. Southwest wind around 6 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, with a temperature rising to near 42 by 11am, then falling to around 33 during the remainder of the day. Northwest wind 9 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 17. North wind 9 to 14 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 12.
M.L.King Day
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Iuka IL
 38.5°N 88.71°W (Elev. 499 ft)
Last Update:
3:16 pm CST Jan 12, 2026
Forecast Valid:
4pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
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