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

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Mostly Cloudy

55°F

13°C

Humidity 97%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Aug 5:35 am CDT
Extended Forecast for

2 Miles NNW Spring Valley IL

  • Today

    Today: Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. East wind around 5 mph.

    High: 76 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. East wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. East wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

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

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. East wind around 5 mph.
Tonight
Partly cloudy, with a low around 54. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53. East wind around 5 mph becoming calm.
Labor Day
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Spring Valley IL
 41.35°N 89.23°W (Elev. 656 ft)
Last Update:
4:30 am CDT Aug 30, 2025
Forecast Valid:
5am CDT Aug 30, 2025-6pm CDT Sep 5, 2025
 
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