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.

Fair

75°F

24°C

Humidity 79%
Wind Speed SW 3 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 13 Oct 10:56 pm CDT
Extended Forecast for

Tamaroa IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 71. Southwest wind around 6 mph.

    Low: 71 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 82. Light and variable wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 86. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    High: 86 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Southwest wind 7 to 12 mph becoming northwest 13 to 18 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy, with a north northwest wind 21 to 25 mph, with gusts as high as 33 mph.

    High: 62 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. North wind 6 to 15 mph, with gusts as high as 18 mph.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. East northeast wind around 6 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 71. Southwest wind around 6 mph.
Wednesday
Showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 82. Light and variable wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 86. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Southwest wind 7 to 12 mph becoming northwest 13 to 18 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 62. Breezy, with a north northwest wind 21 to 25 mph, with gusts as high as 33 mph.
Friday Night
Mostly clear, with a low around 37. North wind 6 to 15 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 62. East northeast wind around 6 mph.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Partly cloudy, with a low around 45. Light south wind.
Monday
Mostly sunny, with a high near 74. South southwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 49. Calm wind.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tamaroa IL
 38.14°N 89.24°W
Last Update:
6:01 pm CDT Oct 13, 2026
Forecast Valid:
11pm CDT Oct 13, 2026-6pm CDT Oct 20, 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