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

Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

72°F

22°C

Humidity 47%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Jul 10:02 am CDT
Extended Forecast for

2 Miles ESE Spring Valley IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Calm wind becoming east southeast around 5 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83. South wind around 5 mph, with gusts as high as 15 mph.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Calm wind becoming east southeast around 5 mph.
Tonight
Mostly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 61. South southwest wind around 5 mph, with gusts as high as 10 mph.
Saturday
Partly sunny, with a high near 83. South wind around 5 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A 10 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Spring Valley IL
 41.32°N 89.17°W
Last Update:
9:26 am CDT Jul 23, 2026
Forecast Valid:
12pm CDT Jul 23, 2026-6pm CDT Jul 29, 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