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Grant Park, Illinois Weather Forecast
Grant Park, Illinois Weather
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Weather Forecast for Grant Park, Illinois : Winnebago County
Issued: 5:11 am CST Nov 5, 2025 Latitude: 42.2275212 Longitude: -89.0912163 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Veterans Day
Partly Sunny on Today Mostly Clear on Tonight Increasing Clouds on Thursday 20% chance of rain on Friday 50% chance of rain on Saturday Mostly Sunny on Sunday Sunny on Monday Partly Sunny on Veterans Day
High: 58°F Low: 31°F High: 57°F High: 63°F High: 48°F High: 36°F High: 37°F High: 43°F
Low: 46°F Low: 33°F Low: 27°F Low: 19°F Low: 20°F  
Partly Sunny Mostly Clear Increasing Clouds Rain Rain Mostly Sunny Sunny Partly Sunny
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Current Conditions at
ROCKFORD - (KRFD)
48°
Cloudy
as of 6:54 AM CST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Solid Overcast at 25000ft
Partly Sunny on Today Today... Partly sunny, then gradually becoming sunny, with a high near 58. Breezy, with a north northwest wind 10 to 15 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 35 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 31. West northwest wind 5 to 10 mph becoming light northwest after midnight.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 57. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
80% chance of rain Thursday Night Thursday Night... Showers, mainly after midnight. Low around 46. South southeast wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
20% chance of rain Friday Friday... A 20 percent chance of showers before noon. Mostly sunny, with a high near 63. West wind 10 to 15 mph, with gusts as high as 25 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 33.
50% chance of rain Saturday Saturday... A 50 percent chance of rain after noon. Partly sunny, with a high near 48.
20% chance of rain & snow Saturday Night Saturday Night... Rain likely before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 27.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 36.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 19.
Sunny on Monday Monday... Sunny, with a high near 37.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 20.
Partly Sunny on Veterans Day Veterans Day... Partly sunny, with a high near 43.
Sun Almanac for Grant Park, Illinois
Sunrise: 06:35 AM
Sunset: 4:45 PM
Civil Sunrise:06:06 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 05:32 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:00 AM
Astro Sunset: 6:20 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.