Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

66°F

19°C

Humidity 83%
Wind Speed SE 3 mph
Barometer 29.92 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Jun 8:46 am CDT
Extended Forecast for

Troy Grove IL

  • Today

    Today: Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall.  Temperature falling to around 60 by 4pm. East wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 68 °F

    Showers
    Likely then
    Heavy Rain

  • Tonight

    Tonight: Showers, mainly before 11pm.  Low around 58. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers and
    Breezy then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 75. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Northeast wind 5 to 10 mph becoming light  after midnight.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. North northeast wind around 5 mph becoming calm  in the morning.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall. Temperature falling to around 60 by 4pm. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Showers, mainly before 11pm. Low around 58. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Partly sunny, with a high near 75. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 52. Northeast wind 5 to 10 mph becoming light after midnight.
Tuesday
Sunny, with a high near 77. North northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Troy Grove IL
 41.47°N 89.08°W
4:56 am CDT Jun 21, 2026
9am CDT Jun 21, 2026-6pm CDT Jun 27, 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