Spring Valley, Illinois Weather
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Weather Forecast for Spring Valley, Illinois : Whiteside County
Issued: 2:15 pm CDT Sep 16, 2025 Latitude: 41.9047498 Longitude: -90.036512 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on This Afternoon Morning Fog on Tonight Morning Fog on Wednesday Sunny on Thursday 30% chance of on Friday 30% chance of rain on Saturday Partly Sunny on Sunday 30% chance of thunderstorms on Monday
High: 87°F Low: 57°F High: 86°F High: 90°F High: 83°F High: 84°F High: 82°F High: 82°F
Low: 60°F Low: 61°F Low: 60°F Low: 63°F Low: 62°F  
Sunny Morning Fog Morning Fog Sunny Partly Sunny Rain Partly Sunny Thunderstorms
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Current Conditions at
CLINTON - (KCWI)
88°
Clear
as of 2:56 PM CDST
Rel. Humidity: 38%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
3 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
90°
Clear
as of 2:56 PM CDST
Rel. Humidity: 29%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
5 MPH
050° Northeast
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 87. East wind around 5 mph.
Morning Fog on Tonight Tonight... Areas of fog after 4am. Otherwise, mostly clear, with a low around 57. East wind around 5 mph.
Morning Fog on Wednesday Wednesday... Areas of fog before 8am. Otherwise, sunny, with a high near 86. East wind around 5 mph becoming calm.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 60. Calm wind.
Sunny on Thursday Thursday... Sunny, with a high near 90.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 61.
30% chance of Friday Friday... A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83.
40% chance of thunderstorms Friday Night Friday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
30% chance of rain Saturday Saturday... A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 84.
30% chance of rain Saturday Night Saturday Night... A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 63.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 82.
30% chance of rain Sunday Night Sunday Night... A 30 percent chance of showers. Mostly cloudy, with a low around 62.
30% chance of thunderstorms Monday Monday... A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Sun Almanac for Spring Valley, Illinois
Sunrise: 06:42 AM
Sunset: 7:08 PM
Civil Sunrise:06:14 AM
Civil Sunset: 7:36 PM
Nautical Sunrise: 05:41 AM
Nautical Sunset: 8:09 PM
Astro Sunrise: 05:07 AM
Astro Sunset: 8:42 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.