Rock Lake (US, IL), Weather

41.6625° N, 88.0612° W

05.06.2026 (Friday)

Sharp wind gusts – be careful (13.9 m/s)
Rain detected (1.8 mm)
Too high temperature (24.6 °C)
Predominantly cloudy

06.06.2026 (Saturday)

Sharp wind gusts – be careful (15.4 m/s)
Heavy rain detected (8.7 mm)
Too high temperature (27.9 °C)
Predominantly cloudy

07.06.2026 (Sunday)

Wind gusts forecast – use caution (6.8 m/s)
Heavy rain detected (5.8 mm)
Too high temperature (26.6 °C)
Predominantly cloudy

08.06.2026 (Monday)

Sharp wind gusts – be careful (10.5 m/s)
Heavy rain detected (4.6 mm)
Too high temperature (22.2 °C)
Predominantly cloudy

09.06.2026 (Tuesday)

Sharp wind gusts – be careful (10.7 m/s)
Heavy rain detected (3.2 mm)
Too high temperature (29.9 °C)
Predominantly cloudy

10.06.2026 (Wednesday)

Sharp wind gusts – be careful (13.3 m/s)
Heavy rain detected (8.6 mm)
Too high temperature (30.3 °C)
Predominantly cloudy

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Current Conditions in Rock Lake (US, IL)

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Feels like

Wind	Humidity	Moon rise

UV Index	Pressure	Moon

Wind	UV Index

Humidity	Pressure

Moon rise	Moon

Rock Lake (US, IL), Hourly Forecast

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	Today


	Air temperature,°C

	Wind force & direction, knots



	UV index

Rock Lake (US, IL) 10-day weather forecast

Closest meteostation (4.05km):

Rock Lake (US, IL) Wind forecast

Wind direction is South, wind speed varies between 4.5 and 11.2 mph with gusts up to 22.3 mph. The sky is clear with a chance of rain 0%.
Wind and wave weather forecast for Rock Lake (US, IL) , United States contains detailed information about local wind speed, direction, and gusts. Wave forecast includes wave height and period.
These forecasts for Rock Lake (US, IL) are based on the GFS model and were created for windsurfing, kitesurfing, sailing and other extreme sports activities. All data updates 4 times a day. Predictions are available in steps from 1 to 3 hours for up to 10 days.
Use professional weather parameters: wind barbs, weather fronts, isobars, and others. Study weather history for the past 14 years (2012-2026). Create sailing, hiking and biking routes with weather in each point.
Download Windy.app in the App Store and Google Play Store.

Rock Lake (US, IL), weather report: temperature, and more

The temperature low is +16°C and the high is +28°C. The sky is clear with a chance of rain 0%. 10 day weather forecast for Rock Lake (US, IL), on this page also contains accurate information about cloud coverage, moon phases, and other basic and advanced weather elements.

Rock Lake (US, IL), current weather temperature for today and the mid-range forecast are based on the major global GFS weather model with 27 km (16.7 mi) spatial resolution provided by the United States National Weather Service (NWS) of the National Oceanic and Atmospheric Administration (NOAA). All data updates 4 times a day with a forecast step of 3 hours.

If you need a 30 day temperature forecast for Rock Lake (US, IL), or a long-range temperature forecast, check the Weather History (Statistics) section of the main spot page you can find in the search or on the weather map.

It contains the day and night temperature history in Rock Lake (US, IL), for the past 10 years (2021–2021) and the average values for the decade. These statictics are a reanalysis of the weather forecasts from the ECMWF (European Centre for Medium-Range Weather Forecasts), the second major global weather model. The data is updated every year.

You can use this weather forecast and history by the Windy.app especially for all major sports and outdoor activities such as surfing, sailing, diving, fishing, paragliding, cycling, hiking, and others, as well as a general forecast for any situation.