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Large winter storm threatens central, eastern US later this week. Get the forecast. Chevron right

McHenry, IL

-6°F
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McHenry

Illinois

-6°
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McHenry, IL Weather
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WinterCast

1 - 3 in

Wed, 1/21, 1:00 AM - Wed, 1/21, 5:00 AM

Snow

9 AM

-6°
RealFeel® -36°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds
alerts

Cold Weather Advisory

3:00 AM Monday - 12:00 PM Monday

RealFeel Shade™-36°

WindWNW 21 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts32 mph

Humidity79%

Indoor Humidity10% (Extremely Dry)

Dew Point-11° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3700 ft

10 AM

-5°
RealFeel® -34°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds
alerts

Cold Weather Advisory

3:00 AM Monday - 12:00 PM Monday

RealFeel Shade™-34°

WindWNW 21 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts33 mph

Humidity81%

Indoor Humidity11% (Extremely Dry)

Dew Point-9° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4800 ft

11 AM

-3°
RealFeel® -32°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds
alerts

Cold Weather Advisory

3:00 AM Monday - 12:00 PM Monday

RealFeel Shade™-34°

WindWNW 21 mph

Air QualityExcellent

Max UV Index1.1 (Low)

Wind Gusts33 mph

Humidity78%

Indoor Humidity11% (Extremely Dry)

Dew Point-9° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling5900 ft

12 PM

-2°
RealFeel® -29°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 13%
Chevron down
Intermittent clouds

RealFeel Shade™-31°

WindWNW 21 mph

Air QualityExcellent

Max UV Index1.2 (Low)

Wind Gusts35 mph

Humidity74%

Indoor Humidity11% (Extremely Dry)

Dew Point-8° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

1 PM

1°
RealFeel® -24°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™-26°

WindW 18 mph

Air QualityExcellent

Max UV Index1.1 (Low)

Wind Gusts31 mph

Humidity69%

Indoor Humidity12% (Extremely Dry)

Dew Point-7° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

2 PM

4°
RealFeel® -20°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™-20°

WindW 18 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts30 mph

Humidity62%

Indoor Humidity12% (Extremely Dry)

Dew Point-7° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

3 PM

3°
RealFeel® -21°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™-21°

WindW 17 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts29 mph

Humidity67%

Indoor Humidity12% (Extremely Dry)

Dew Point-6° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

4 PM

2°
RealFeel® -21°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™-21°

WindW 16 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts27 mph

Humidity69%

Indoor Humidity12% (Extremely Dry)

Dew Point-6° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

0°
RealFeel® -20°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindW 14 mph

Air QualityExcellent

Wind Gusts23 mph

Humidity72%

Indoor Humidity12% (Extremely Dry)

Dew Point-7° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

0°
RealFeel® -19°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindW 12 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity74%

Indoor Humidity12% (Extremely Dry)

Dew Point-7° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

7 PM

-1°
RealFeel® -18°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 12 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity76%

Indoor Humidity12% (Extremely Dry)

Dew Point-6° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

0°
RealFeel® -18°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 12 mph

Air QualityExcellent

Wind Gusts18 mph

Humidity76%

Indoor Humidity12% (Extremely Dry)

Dew Point-6° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

0°
RealFeel® -18°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 12 mph

Air QualityExcellent

Wind Gusts16 mph

Humidity77%

Indoor Humidity13% (Extremely Dry)

Dew Point-5° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

0°
RealFeel® -17°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 10 mph

Air QualityExcellent

Wind Gusts15 mph

Humidity80%

Indoor Humidity13% (Extremely Dry)

Dew Point-5° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

-1°
RealFeel® -17°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 10 mph

Air QualityExcellent

Wind Gusts14 mph

Humidity83%

Indoor Humidity13% (Extremely Dry)

Dew Point-5° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Illinois McHenry

Weather Near McHenry:

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