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Crystal Lake, IL

50°F
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Crystal Lake

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50°
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Crystal Lake, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 PM

49°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
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Mostly sunny
alerts

Flood Warning

1:00 PM Tuesday - 6:45 AM Sunday

RealFeel Shade™38°

WindW 21 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts39 mph

Humidity40%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

49°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Mostly sunny
alerts

Flood Warning

1:00 PM Tuesday - 6:45 AM Sunday

RealFeel Shade™38°

WindW 21 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts39 mph

Humidity40%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

48°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Mostly sunny
alerts

Flood Warning

1:00 PM Tuesday - 6:45 AM Sunday

RealFeel Shade™37°

WindW 18 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts38 mph

Humidity41%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

47°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 5%
Chevron down
Mostly sunny
alerts

Flood Warning

1:00 PM Tuesday - 6:45 AM Sunday

RealFeel Shade™37°

WindWNW 17 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts37 mph

Humidity42%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

44°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
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Clear
alerts

Flood Warning

1:00 PM Tuesday - 6:45 AM Sunday

WindW 15 mph

Air QualityFair

Wind Gusts30 mph

Humidity49%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

41°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Clear
alerts

Flood Warning

1:00 PM Tuesday - 6:45 AM Sunday

WindW 12 mph

Air QualityFair

Wind Gusts22 mph

Humidity53%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

39°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Clear
alerts

Flood Warning

1:00 PM Tuesday - 6:45 AM Sunday

WindW 10 mph

Air QualityFair

Wind Gusts13 mph

Humidity58%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

37°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Flood Warning

1:00 PM Tuesday - 6:45 AM Sunday

WindW 9 mph

Air QualityExcellent

Wind Gusts12 mph

Humidity63%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Crystal Lake

AccuWeather's hourly forecast for Crystal Lake provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 49° with a RealFeel® of 42°, mostly sunny with a 7% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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Weather Near Crystal Lake:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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