Severe Weather and Heavy Rain from the Mid-South to the Mid-Atlantic; Building Heat in the West

Severe thunderstorms may bring damaging winds, a couple of tornadoes, and heavy rain across portions of the Mid-Atlantic into the Mid-South. Severe storms may produce hail across the northern/central High Plains. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Fire weather concerns continue for Interior Alaska and the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

66°F

19°C

Humidity 81%
Wind Speed Vrbl 5 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 22 Jun 2:56 pm CDT
Extended Forecast for

Tamaroa IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 77. North wind 8 to 10 mph.

    High: 77 °F

    Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 60. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 60 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 84. Calm wind becoming south around 5 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Mostly cloudy, with a low around 66. Light south southwest wind.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm.  Partly sunny, with a high near 84. South southwest wind 3 to 5 mph.

    High: 84 °F

    Showers

Detailed Forecast

This Afternoon
Cloudy, with a high near 77. North wind 8 to 10 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 60. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Calm wind.
Tuesday Night
Partly cloudy, with a low around 62. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 66. Light south southwest wind.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Calm wind.
Friday
Showers and possibly a thunderstorm. Partly sunny, with a high near 84. South southwest wind 3 to 5 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. South wind 3 to 5 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 7 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. South southwest wind 8 to 18 mph, with gusts as high as 24 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Tamaroa IL
 38.14°N 89.24°W
2:01 pm CDT Jun 22, 2026
3pm CDT Jun 22, 2026-6pm CDT Jun 28, 2026
 
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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