RealFeel® Sun 84°
RealFeel Shade™ 71°
Air Quality Fair
Wind NE 4 mph
Wind Gusts 7 mph
Sunny More Details
Current Air Quality
The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.
Based on Current PollutantsMore Details
Learn more at
The risk of tree pollen symptoms is moderate.
The risk for ragweed pollen symptoms is high. Ensure your windows and doors are closed.
The risk of mold allergy symptoms is low.
The risk of grass pollen symptoms is moderate. Be sure to keep your windows and doors closed.
Dust & Dander
The risk of dust and dander allergy symptoms is moderate. Closing your windows on windy days can help prevent outside dust or dander from getting into your home.
The risk of experiencing weather-related arthritis pain is moderate. Stay hydrated and stretch to help avoid arthritis symptoms.
The risk of weather-related sinus pressure is moderate. Make sure you stay hydrated.
The risk of catching a cold is low.
The risk of catching the flu is low.
The risk of suffering from a weather-related migraine is low.
The risk of asthma symptoms is moderate.
Fishing conditions are good. Fishing in the early morning or dusk hours can help you get a catch.
Conditions for running are great. Be sure to warm up and cool down adequately.
Conditions for golfing are great. Stay hydrated when spending time in the sun.
Biking & Cycling
Conditions for cycling are great. Be sure you have the correct gear to keep your core temperature warm during winter months and cool during hot weather.
Beach & Pool
Conditions for a day at the beach or pool are fair. Temperatures tend to be highest in the mid-afternoon if the day is on the cooler side.
Conditions for stargazing are good. Be sure to move away from city lights or turn off nearby lights, including indoor and outdoor lights.
Conditions for hiking are great. Wear sunscreen and UV-protective clothing.
Conditions for lawn mowing are great. Ensure you are servicing your mower frequently to keep the blades sharp.
Composting conditions are fair. All materials you add should be shredded or broken into smaller pieces.
Conditions for outdoor entertaining will be great. Pay attention to the mosquito or pest forecast and prepare deterrents.
Conditions for flying are ideal. Have a safe trip.
Conditions for driving are great. Remain prepared for changing weather by tracking ongoing forecasts.
The risk for mosquito activity are moderate. Eliminate any standing water on your property where mosquitoes can breed.
The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects near your home.
The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects.
Crystal Lake Weather Radar
See Interactive Map
See Interactive Map
Around the Globe
Radar & Maps
Top StoriesMore Stories
Featured TopicYour Local Asthma Forecast