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.

Overcast

73°F

23°C

Humidity 65%
Wind Speed SW 6 mph
Barometer 29.98 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 23 May 10:20 pm CDT
Extended Forecast for

4 Miles SSE Sublette IL

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 58. East wind around 5 mph becoming southwest after midnight. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 79. North wind around 5 mph.

    High: 79 °F

    Slight Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56. Calm wind.

    Low: 56 °F

    Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 83. South wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 58. East wind around 5 mph becoming southwest after midnight. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 79. North wind around 5 mph.
Sunday Night
Clear, with a low around 56. Calm wind.
Memorial Day
Sunny, with a high near 83. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 63.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 81.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Sublette IL
 41.59°N 89.22°W (Elev. 801 ft)
Last Update:
9:02 pm CDT May 23, 2026
Forecast Valid:
10pm CDT May 23, 2026-6pm CDT May 30, 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