Crystal Lake, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

46°F
Feels Like 46°F  
Humidity 96% Dew Point 45°F Wind Calm Barometer 29.79 in.756.7 mm
Report from a personal weather station 0.6 miles W of central Crystal Lake
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Point Forecast at a Glance

ThuNov 20
Thu Nov 20: Drizzle, Low 40F
 
40
FriNov 21
Fri Nov 21: Mostly Cloudy, High 46F, Low 28F
46
28
SatNov 22
Sat Nov 22: Mostly Sunny, High 49F, Low 35F
49
35
SunNov 23
Sun Nov 23: Sunny, High 56F, Low 35F
56
35
MonNov 24
Mon Nov 24: Rain, High 53F, Low 44F
50%
53
44
TueNov 25
Tue Nov 25: Rain, High 54F, Low 32F
50%
54
32
WedNov 26
Wed Nov 26: Partly Sunny, High 40F, Low 24F
40
24

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 40°F to 56°F. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 1°F above the historical average for November. Normal highs for this period are around 47°F with lows around 30°F.

This Date in Weather History

1869 - A second great windstorm in three days struck Vermont and New York blowing railroad trains off their tracks.

More on this and other weather history

Crystal Lake, IL 7 Day Weather Forecast Details

Thursday Nov 20

Drizzle

Night: Patchy drizzle before 2am. Patchy fog between 9pm and 3am. Otherwise, cloudy, with a low around 40. Southwest wind around 5 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.

Friday Nov 21

Mostly Cloudy

Day: Mostly cloudy, with a high near 46. North northwest wind 5 to 10 mph.

Clear

Night: Cloudy during the early evening, then gradual clearing, with a low around 28. North wind around 5 mph becoming calm in the evening.

Saturday Nov 22

Mostly Sunny

Day: Mostly sunny, with a high near 49. Light and variable wind becoming southwest 5 to 10 mph in the morning.

Mostly Clear

Night: Mostly clear, with a low around 35. West southwest wind around 5 mph, with gusts as high as 15 mph.

Sunday Nov 23

Sunny

Day: Sunny, with a high near 56.

Partly Cloudy

Night: Partly cloudy, with a low around 35.

Monday Nov 24

Rain

Day: A chance of rain after noon. Mostly cloudy, with a high near 53.

Rain

Night: Rain. Cloudy, with a low around 44.

Tuesday Nov 25

Rain

Day: A chance of rain. Mostly cloudy, with a high near 54.

Mostly Cloudy

Night: Mostly cloudy, with a low around 32.

Wednesday Nov 26

Partly Sunny

Day: Partly sunny, with a high near 40.

Mostly Cloudy

Night: Mostly cloudy, with a low around 24.

Thursday Nov 27

Partly Sunny

Day: Partly sunny, with a high near 35.


About Crystal Lake, IL

Crystal Lake is a city in McHenry County, Illinois, United States. Named after a lake 1.6 miles (2.6 km) southwest of the city's downtown, Crystal Lake is 45 miles (72 km) northwest of Chicago. The population was 40,269 as of the 2020 census. Crystal Lake is the most populous city in McHenry County, part of the Chicago metropolitan area.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.