Rock Falls, Illinois Weather
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Weather Forecast for Rock Falls, Illinois : Whiteside County
Issued: 12:46 pm CDT Jun 2, 2025 Latitude: 41.7797533 Longitude: -89.6889967 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 rain on Tuesday 60% chance of rain on Wednesday Mostly Cloudy on Thursday 30% chance of rain on Friday Mostly Sunny on Saturday 40% chance of rain 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: 59°F Low: 55°F Low: 58°F Low: 55°F Low: 58°F  
Smoke Smoke Rain Rain Mostly Cloudy Rain Mostly Sunny Rain
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Current Conditions at
ROCHELLE MUNICIPAL ARPT - (KRPJ)
82°
Clear
as of 1:15 PM CDST
Rel. Humidity: 20%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 22 MPH
190° South
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.
Smoke on Tonight Tonight... Patchy smoke before 9pm. Partly cloudy, with a low around 68. South wind around 10 mph, with gusts as high as 20 mph.
30% chance of rain Tuesday Tuesday... A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 81. Southwest wind 10 to 15 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 59. Southwest wind 5 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 quarter and half 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 after 1am. Mostly cloudy, with a low around 58.
30% chance of rain Friday Friday... A 30 percent chance of showers. Mostly sunny, with a high near 77.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 55.
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 rain Sunday Sunday... A 40 percent chance of showers. Mostly sunny, with a high near 80.
Sun Almanac for Rock Falls, Illinois
Sunrise: 05:26 AM
Sunset: 8:28 PM
Civil Sunrise:04:52 AM
Civil Sunset: 9:02 PM
Nautical Sunrise: 04:09 AM
Nautical Sunset: 9:44 PM
Astro Sunrise: 03:19 AM
Astro Sunset: 10:35 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.