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

60°F

16°C

Humidity 38%
Wind Speed S 5 mph
Barometer 30.33 in (1027.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Apr 12:56 pm CDT
Extended Forecast for

Tamaroa IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. South southeast wind 3 to 5 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 49. Southeast wind 3 to 8 mph.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Southwest wind 8 to 16 mph, with gusts as high as 23 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Southwest wind 7 to 10 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind around 7 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. South wind 8 to 17 mph, with gusts as high as 24 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 75. South wind around 14 mph, with gusts as high as 21 mph.

    High: 75 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 67. South southeast wind 3 to 5 mph.
Tonight
Clear, with a low around 49. Southeast wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 76. Southwest wind 8 to 16 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 54. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 77. Southwest wind 7 to 10 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 7 mph.
Thursday
Mostly sunny, with a high near 80. South wind 8 to 17 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 23 mph.
Friday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 75. South wind around 14 mph, with gusts as high as 21 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Southwest wind 7 to 9 mph becoming north northwest after midnight.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74. North wind 8 to 10 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. North northeast wind around 7 mph.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73. North northeast wind 8 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tamaroa IL
 38.14°N 89.24°W
Last Update:
11:31 am CDT Apr 20, 2026
Forecast Valid:
1pm CDT Apr 20, 2026-6pm CDT Apr 26, 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