National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Troy Grove IL

  • This Afternoon

    This Afternoon: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 64. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 11pm. Mostly cloudy, with a low around 45. Breezy, with a west northwest wind 5 to 10 mph increasing to 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    Low: 45 °F

    Breezy.
    Scattered
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Scattered showers after 10am. Mostly cloudy, with a high near 51. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.

    High: 51 °F

    Scattered
    Showers and
    Breezy

  • Friday Night

    Friday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 33. North wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 33 °F

    Partly Cloudy
    then Areas
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. North northwest wind around 5 mph becoming west southwest in the afternoon. Winds could gust as high as 10 mph.

    High: 56 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 5am. Otherwise, clear, with a low around 38.

    Low: 38 °F

    Clear then
    Patchy Frost

  • Sunday

    Sunday: Patchy frost before 7am. Otherwise, sunny, with a high near 62.

    High: 62 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 64. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers, mainly before 11pm. Mostly cloudy, with a low around 45. Breezy, with a west northwest wind 5 to 10 mph increasing to 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Friday
Scattered showers after 10am. Mostly cloudy, with a high near 51. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
Friday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 33. North wind 10 to 15 mph, with gusts as high as 35 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. North northwest wind around 5 mph becoming west southwest in the afternoon. Winds could gust as high as 10 mph.
Saturday Night
Patchy frost after 5am. Otherwise, clear, with a low around 38.
Sunday
Patchy frost before 7am. Otherwise, sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Troy Grove IL
 41.47°N 89.08°W
Last Update:
11:31 am CDT Oct 15, 2026
Forecast Valid:
12pm CDT Oct 15, 2026-6pm CDT Oct 21, 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