Deer Grove, Illinois Weather
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Weather Forecast for Deer Grove, Illinois : Whiteside County
Issued: 12:46 pm CDT Jun 2, 2025 Latitude: 41.607811 Longitude: -89.689547 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Smoke on This Afternoon Smoke on Tonight 30% chance of on Tuesday 60% chance of rain on Wednesday Mostly Cloudy on Thursday 40% chance of rain on Friday Mostly Sunny on Saturday 40% chance of on Sunday
High: 86°F Low: 68°F High: 81°F High: 70°F High: 76°F High: 77°F High: 78°F High: 80°F
Low: 60°F Low: 55°F Low: 58°F Low: 56°F Low: 58°F  
Smoke Smoke Partly Sunny Rain Mostly Cloudy Rain Mostly Sunny Partly Sunny
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Current Conditions at
PERU - (KVYS)
84°
Clear
as of 12:55 PM CDST
Rel. Humidity: 25%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 22 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
ROCHELLE MUNICIPAL ARPT - (KRPJ)
81°
Clear
as of 12:55 PM CDST
Rel. Humidity: 21%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 22 MPH
210° Southwest
Cloud Level(s): Clear
Smoke on This Afternoon This Afternoon... Patchy smoke after 3pm. Mostly sunny, with a high near 86. South wind around 10 mph, with gusts as high as 20 mph.
Smoke on Tonight Tonight... Patchy smoke between 2am and 3am. Partly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 20 mph.
30% chance of Tuesday Tuesday... A 30 percent chance of showers, mainly after 5pm. Partly sunny, with a high near 81. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.
90% chance of thunderstorms Tuesday Night Tuesday Night... Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 60. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
60% chance of rain Wednesday Wednesday... Showers likely, mainly before 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of showers. Partly cloudy, with a low around 55.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 76.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of showers. Mostly cloudy, with a low around 58.
40% chance of rain Friday Friday... A 40 percent chance of showers. Mostly sunny, with a high near 77.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 56.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 78.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 58.
40% chance of Sunday Sunday... A 40 percent chance of showers. Partly sunny, with a high near 80.
Sun Almanac for Deer Grove, Illinois
Sunrise: 05:26 AM
Sunset: 8:27 PM
Civil Sunrise:04:53 AM
Civil Sunset: 9:01 PM
Nautical Sunrise: 04:10 AM
Nautical Sunset: 9:43 PM
Astro Sunrise: 03:20 AM
Astro Sunset: 10:33 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.