Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
A May heat wave will complete the spring weather whiplash in the East. Click for details. Chevron right
Severe thunderstorms, some with tornadoes will prowl the Central states. Click to see where, when. Chevron right

Crystal Lake, IL

75°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Crystal Lake

Illinois

75°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Crystal Lake, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today

 Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Mon, May 18

Mainly cloudy, windy and not as warm with a thunderstorm around into the early afternoon; thunderstorms can bring hail and damaging winds Hi: 76°

Tonight: Cloudy, windy and humid; a strong late-night thunderstorm; thunderstorms can bring hail and damaging winds Lo: 68°

Current Weather

1:22 AM

75°F
RealFeel® 73°
Clear More Details
Wind S 6 mph
Wind Gusts 12 mph
Air Quality Fair

Looking Ahead

Thunderstorms, some strong, late tonight through tomorrow afternoon; storms can bring hail and damaging winds

Crystal Lake Weather Radar

Crystal Lake Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

2 AM 72°
rain drop 21%
3 AM 71°
rain drop 21%
4 AM 70°
rain drop 26%
5 AM 69°
rain drop 43%
6 AM 69°
rain drop 47%
7 AM 69°
rain drop 51%
8 AM 70°
rain drop 49%
9 AM 70°
rain drop 56%
10 AM 73°
rain drop 49%
11 AM 76°
rain drop 34%
12 PM 76°
rain drop 34%
1 PM 75°
rain drop 37%

10-Day Weather Forecast

Today

5/18

76° 68°

A t-storm; windy, not as warm

Night: Windy; a strong t-storm late
86%

Tue

5/19

75° 47°

A shower and t-storm; windy

Rather cloudy and cooler
88%

Wed

5/20

63° 42°

Clouds giving way to some sun

Mostly cloudy and chilly
7%

Thu

5/21

61° 48°

Cool with clouds and sun

Increasing clouds
21%

Fri

5/22

67° 52°

Cloudy

Cloudy, showers around late
25%

Sat

5/23

71° 53°

A couple of showers possible

Partly cloudy
30%

Sun

5/24

78° 58°

A couple of showers possible

Clear
30%

Mon

5/25

81° 59°

Chance of a shower

Mainly clear
30%

Tue

5/26

80° 60°

Mostly sunny

Some clouds, a shower late
4%

Wed

5/27

76° 58°

Humid with rain

Rain
75%

Sun & Moon

14 hrs 41 mins
Rise 5:29 AM
Set 8:10 PM
Waxing Crescent
Rise 6:33 AM
Set 11:06 PM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen High Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Moderate Data is not supported in this location Dust & Dander High Data is not supported in this location

Top Stories

Climate

Super El Niño could strain food and water supplies around the world

3 days ago

Severe Weather

High-risk severe weather setup to focus on Plains, Midwest into Monday

5 hours ago

Weather Forecasts

Heat wave to complete spring weather whiplash, worsen drought in East

13 hours ago

Weather Forecasts

Wildfire risk to focus across the Southwest, Plains

14 hours ago

Winter Weather

Winter to return to Colorado, Wyoming with more May mountain snow

13 hours ago

 More Stories

Featured Stories

Hurricane

El Nino to fuel Pacific hurricane season, raise risks for California

2 days ago

Health

Wet spring, more mice? The weather link behind rare hantavirus risk

3 days ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

3 days ago

Weather News

Here's how New York residents can get free A/C this summer

4 days ago

Recreation

Brain-eating amoeba found in hot springs at 3 National Parks: study

5 days ago
World North America United States Illinois Crystal Lake

Weather Near Crystal Lake:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...