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

71°F

22°C

Humidity 61%
Wind Speed Vrbl 3 mph
Barometer 30.04 in (1017.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 10:56 am CDT
Extended Forecast for

Tamaroa IL

  • Today

    Today: Sunny, with a high near 86. Calm wind becoming northwest around 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light south wind.

    Low: 60 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Partly sunny, then gradually becoming sunny, with a high near 92. Southwest wind 5 to 15 mph, with gusts as high as 18 mph.

    High: 92 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 66. Southwest wind 7 to 9 mph.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Southwest wind 7 to 11 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South southwest wind 3 to 6 mph.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. West wind 3 to 8 mph. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East northeast wind around 6 mph.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. East wind 8 to 11 mph becoming south southwest in the afternoon.

    High: 81 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 86. Calm wind becoming northwest around 5 mph.
Tonight
Mostly clear, with a low around 60. Light south wind.
Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 92. Southwest wind 5 to 15 mph, with gusts as high as 18 mph.
Monday Night
Clear, with a low around 66. Southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 94. Southwest wind 7 to 11 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South southwest wind 3 to 6 mph.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. West wind 3 to 8 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East northeast wind around 6 mph.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. East wind 8 to 11 mph becoming south southwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. South southwest wind 7 to 10 mph becoming west northwest after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 70. Breezy, with a northwest wind 15 to 23 mph.
Friday Night
Partly cloudy, with a low around 42. North northwest wind 10 to 17 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 62. North wind 13 to 16 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tamaroa IL
 38.14°N 89.24°W
Last Update:
9:21 am CDT Oct 11, 2026
Forecast Valid:
11am CDT Oct 11, 2026-6pm CDT Oct 17, 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