Outdoor conditions in

Crystal Lake

Illinois
Now
  1. 57°Chance Rain Showers72% rain90% humidityGusts 15 mph
  2. 57°Chance Rain Showers72% rain91% humidityGusts 15 mph
  3. 58°Chance Rain Showers72% rain90% humidityGusts 15 mph
  4. 58°Rain Showers80% rain92% humidityGusts 15 mph
  5. 58°Rain Showers80% rain95% humidityGusts 15 mph
  6. 58°Rain Showers80% rain95% humidityGusts 14 mph
  7. 59°Rain Showers80% rain95% humidityGusts 13 mph
  8. 60°Rain Showers80% rain96% humidityGusts 13 mph
  9. 61°Rain Showers80% rain98% humidityGusts 12 mph
  10. 61°Chance Rain Showers73% rain98% humidityGusts 10 mph
  11. 62°Chance Rain Showers73% rain98% humidityGusts 12 mph
  12. 61°Chance Rain Showers73% rain97% humidityGusts 14 mph
  13. 59°Isolated Rain Showers22% rain95% humidityGusts 18 mph
  14. 58°Isolated Rain Showers22% rain94% humidityGusts 22 mph
  15. 57°Isolated Rain Showers22% rain92% humidityGusts 25 mph
  16. 56°Cloudy2% rain90% humidityGusts 28 mph
  17. 54°Cloudy2% rain91% humidityGusts 29 mph
  18. 52°Cloudy2% rain88% humidityGusts 28 mph
  19. 51°Mostly Cloudy1% rain87% humidityGusts 26 mph
  20. 50°Mostly Cloudy1% rain88% humidityGusts 26 mph
  21. 49°Mostly Cloudy1% rain87% humidityGusts 26 mph
  22. 49°Mostly Cloudy2% rain88% humidityGusts 26 mph
  23. 49°Mostly Cloudy2% rain90% humidityGusts 26 mph
  24. 49°Mostly Cloudy2% rain88% humidityGusts 26 mph
Extra care for

A little farther out

The next five days

Today

Today looks wet for a meaningful stretch.

Rain
80%
Humidity
89–98%
Wind
22 mph
Fri

Friday has a real shower chance.

Rain
49%
Humidity
76–92%
Wind
35 mph
Sat

Saturday looks fairly quiet.

Rain
6%
Humidity
48–90%
Wind
16 mph
Sun

Sunday looks breezy.

Rain
0%
Humidity
48–76%
Wind
28 mph
Mon

Monday looks fairly quiet.

Rain
0%
Humidity
50–88%
Wind
12 mph
  1. 62° / 56°Today looks wet for a meaningful stretch.80% rain · Humidity 89–98% · Wind 22 mph
  2. 57° / 40°Friday has a real shower chance.49% rain · Humidity 76–92% · Wind 35 mph
  3. 55° / 32°Saturday looks fairly quiet.6% rain · Humidity 48–90% · Wind 16 mph
  4. 60° / 40°Sunday looks breezy.0% rain · Humidity 48–76% · Wind 28 mph
  5. 66° / 41°Monday looks fairly quiet.0% rain · Humidity 50–88% · Wind 12 mph

Environmental watch

Air quality + smoke

Air quality

North and West Suburbs (Chicago) area · Updated Thu 10:25 AM
34GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 7:45 AM

Air near ground34 · Good US AQI

Rain, in motion · Past four hours

Crystal Lake radar

Ready when you areSee what is moving toward Crystal Lake.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

Outdoor fire check

Thinking about a backyard fire?

Weather is less concerning around 5 PM–8 PM.

Humidity stays higher and winds stay lighter for at least three hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowUse caution

Sustained wind is 10 mph.

Humidity
90%
Wind
10 mph
Gusts
15 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes North and West Suburbs (Chicago) area, about 5 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Crystal Lake, IL, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.