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McHenry, IL

77°F
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McHenry, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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July 13 - July 27

Mon 7/13

92° /66°
3%
Clear and humid
alerts

Air Quality Alert

11:44 AM Monday - 12:00 AM Wednesday

RealFeel®67°

Cloud Cover2%

WindW 5 mph

Wind Gusts9 mph

Tue 7/14

96° /68°
3%
Sizzling sunshine and toasty conditions; caution advised if outside for extended periods of time
alerts

Air Quality Alert

11:44 AM Monday - 12:00 AM Wednesday

RealFeel®105°

RealFeel Shade™97°

Max UV Index10.0 (Very High)

WindWNW 6 mph

Wed 7/15

95° /72°
5%
Mostly sunny and toasty conditions; dangerous heat; seek time in the shade and stay hydrated

RealFeel®107°

RealFeel Shade™99°

Max UV Index10.0 (Very High)

WindNW 6 mph

Thu 7/16

94° /69°
55%
Hot with clouds and sun; an afternoon thunderstorm in a couple of spots; danger of dehydration and heatstroke if outside for extended periods of time

RealFeel®102°

RealFeel Shade™97°

Max UV Index6.0 (High)

WindWSW 7 mph

Hours of Precipitation0.5

Hours of Rain0.5

Fri 7/17

93° /72°
30%
Partly sunny and hot with a thunderstorm possible; possible danger of dehydration and heatstroke while doing strenuous activities

RealFeel®99°

RealFeel Shade™92°

Max UV Index10.0 (Very High)

WindWSW 9 mph

Sat 7/18

91° /68°
15%
Partly sunny and toasty conditions

RealFeel®103°

RealFeel Shade™94°

Max UV Index10.0 (Very High)

WindNNE 7 mph

Sun 7/19

85° /63°
55%
Times of clouds and sun with a thunderstorm; not as hot

RealFeel®91°

RealFeel Shade™83°

Max UV Index9.0 (Very High)

WindSSE 7 mph

Hours of Precipitation2

Hours of Rain2

Mon 7/20

85° /65°
30%
Some sun with a thunderstorm possible

RealFeel®89°

RealFeel Shade™86°

Max UV Index4.0 (Moderate)

WindNNW 10 mph

Tue 7/21

81° /60°
1%
Less humid with plenty of sunshine

RealFeel®83°

RealFeel Shade™78°

Max UV Index10.0 (Very High)

WindNNE 12 mph

Wed 7/22

85° /61°
0%
Mostly cloudy

RealFeel®86°

RealFeel Shade™83°

Max UV Index9.0 (Very High)

WindNNE 7 mph

Thu 7/23

84° /62°
1%
Partly sunny

RealFeel®91°

RealFeel Shade™81°

Max UV Index10.0 (Very High)

WindN 5 mph

Fri 7/24

85° /65°
1%
Clouds and breaks of sun

RealFeel®85°

RealFeel Shade™82°

Max UV Index7.0 (High)

WindNE 8 mph

Sat 7/25

87° /64°
1%
Partly sunny

RealFeel®92°

RealFeel Shade™85°

Max UV Index7.0 (High)

WindNE 4 mph

Sun 7/26

84° /61°
10%
Mostly sunny

RealFeel®90°

RealFeel Shade™84°

Max UV Index9.0 (Very High)

WindWSW 5 mph

Mon 7/27

84° /65°
65%
A couple of showers and a thunderstorm in the morning; otherwise, humid with a sun-and-cloud mix

RealFeel®89°

RealFeel Shade™87°

Max UV Index5.0 (Moderate)

WindSSW 8 mph

Hours of Precipitation2

Hours of Rain2

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World North America United States Illinois McHenry

Weather Near McHenry:

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