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Crystal Lake, IA

69°F
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Crystal Lake, IA Weather
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Winter Center
Today Hourly

Daily

 Radar MinuteCast Monthly Air Quality Health & Activities

June 25 - August 8

Wed 6/25

80° /66°
97%
Breezy in the morning; cloudy and humid with a couple of showers and a thunderstorm

RealFeel®85°

RealFeel Shade™83°

Max UV Index3 (Moderate)

WindSSE 13 mph

Thu 6/26

79° /63°
97%
Times of clouds and sun with a couple of showers and a heavy thunderstorm; humid; watch for flash flooding, hail and localized damaging wind gusts

RealFeel®89°

RealFeel Shade™81°

Max UV Index8 (Very High)

WindNNW 8 mph

Fri 6/27

83° /67°
25%
Humid with clouds breaking for some sun

RealFeel®89°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindNW 6 mph

Sat 6/28

90° /67°
2%
Mostly sunny and uncomfortably humid

RealFeel®101°

RealFeel Shade™97°

Max UV Index10 (Very High)

WindS 7 mph

Sun 6/29

84° /64°
80%
Intervals of clouds and sun with a thunderstorm; humid

RealFeel®93°

RealFeel Shade™89°

Max UV Index5 (Moderate)

WindWSW 6 mph

Mon 6/30

82° /62°
2%
Partly sunny, pleasant and less humid

RealFeel®88°

RealFeel Shade™80°

Max UV Index10 (Very High)

WindNNW 8 mph

Tue 7/1

81° /61°
1%
Mostly sunny

RealFeel®85°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindNW 8 mph

Wed 7/2

82° /62°
73%
Mainly cloudy with a couple of thunderstorms, especially late in the day

RealFeel®86°

RealFeel Shade™85°

Max UV Index6 (High)

WindSW 5 mph

Thu 7/3

79° /62°
66%
Humid with intervals of clouds and sunshine; a couple of afternoon thunderstorms

RealFeel®87°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindS 4 mph

Fri 7/4

84° /63°
30%
Times of clouds and sun with a thunderstorm possible; humid

RealFeel®90°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSSW 10 mph

Sat 7/5

81° /61°
3%
Humid with times of clouds and sun

RealFeel®90°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindNW 2 mph

Sun 7/6

79° /63°
42%
Variable cloudiness with a stray thunderstorm; humid

RealFeel®89°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindSE 5 mph

Mon 7/7

83° /62°
25%
Increasing cloudiness and less humid

RealFeel®86°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindSSE 7 mph

Tue 7/8

78° /66°
65%
A couple of showers in the morning; otherwise, humid with variable cloudiness

RealFeel®82°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindSE 12 mph

Wed 7/9

85° /66°
20%
Warmer and very humid with sunshine and a few clouds

RealFeel®93°

RealFeel Shade™90°

Max UV Index10 (Very High)

WindWSW 9 mph

Thu 7/10

84° /65°
25%
Less humid with some sun

RealFeel®87°

RealFeel Shade™87°

Max UV Index9 (Very High)

WindSE 8 mph

Fri 7/11

86° /67°
40%
Humid with considerable cloudiness; a thunderstorm in spots in the afternoon

RealFeel®92°

RealFeel Shade™92°

Max UV Index4 (Moderate)

WindWNW 7 mph

Sat 7/12

84° /66°
70%
Periods of rain in the morning; otherwise, mainly cloudy and humid

RealFeel®91°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindWNW 7 mph

Sun 7/13

79° /63°
20%
Turning cloudy

RealFeel®86°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindNW 4 mph

Mon 7/14

78° /66°
70%
Cloudy and humid; afternoon thunderstorms

RealFeel®84°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSE 7 mph

Tue 7/15

79° /66°
25%
Cloudy and humid

RealFeel®79°

RealFeel Shade™79°

Max UV Index3 (Moderate)

WindNE 7 mph

Wed 7/16

78° /65°
25%
Cloudy and humid

RealFeel®79°

RealFeel Shade™79°

Max UV Index3 (Moderate)

WindE 8 mph

Thu 7/17

78° /66°
60%
Remaining cloudy and humid; a morning shower in spots followed by a little rain in the afternoon

RealFeel®80°

RealFeel Shade™80°

Max UV Index2 (Low)

WindE 7 mph

Fri 7/18

79° /66°
25%
Mostly cloudy and humid

RealFeel®83°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindESE 5 mph

Sat 7/19

80° /67°
65%
Turning cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®84°

RealFeel Shade™84°

Max UV Index7 (High)

WindSSE 9 mph

Sun 7/20

84° /66°
62%
Mostly cloudy with a couple of showers and a thunderstorm, mainly early; humid

RealFeel®91°

RealFeel Shade™91°

Max UV Index3 (Moderate)

WindN 5 mph

Mon 7/21

82° /66°
25%
Turning cloudy and humid

RealFeel®85°

RealFeel Shade™84°

Max UV Index7 (High)

WindWNW 5 mph

Tue 7/22

79° /63°
25%
Intervals of clouds and sunshine

RealFeel®83°

RealFeel Shade™80°

Max UV Index7 (High)

WindNW 4 mph

Wed 7/23

79° /66°
62%
Humid with intervals of clouds and sunshine; a couple of afternoon showers and a thunderstorm

RealFeel®83°

RealFeel Shade™83°

Max UV Index5 (Moderate)

WindSSE 4 mph

Thu 7/24

80° /66°
25%
Mostly cloudy and humid

RealFeel®83°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindNE 5 mph

Fri 7/25

78° /62°
20%
Mostly sunny and less humid

RealFeel®83°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindESE 7 mph

Sat 7/26

77° /63°
60%
A bit of morning rain; otherwise, mostly cloudy

RealFeel®81°

RealFeel Shade™76°

Max UV Index5 (Moderate)

WindS 7 mph

Sun 7/27

78° /65°
10%
Mostly sunny

RealFeel®84°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindSSE 6 mph

Mon 7/28

80° /65°
25%
Mostly cloudy and humid

RealFeel®84°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindS 6 mph

Tue 7/29

82° /66°
25%
Humid with times of sun and clouds

RealFeel®88°

RealFeel Shade™87°

Max UV Index6 (High)

WindS 4 mph

Wed 7/30

84° /66°
20%
Humid with sunshine and a few clouds

RealFeel®90°

RealFeel Shade™88°

Max UV Index9 (Very High)

WindS 6 mph

Thu 7/31

85° /65°
25%
Humid with intervals of clouds and sunshine

RealFeel®87°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindSW 10 mph

Fri 8/1

84° /65°
20%
Partly sunny and less humid

RealFeel®88°

RealFeel Shade™82°

Max UV Index9 (Very High)

WindNNW 7 mph

Sat 8/2

77° /62°
25%
Intervals of clouds and sunshine

RealFeel®83°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindE 5 mph

Sun 8/3

76° /63°
80%
Considerable cloudiness with afternoon rain

RealFeel®73°

RealFeel Shade™71°

Max UV Index3 (Moderate)

WindESE 12 mph

Mon 8/4

80° /63°
65%
Times of clouds and sun with a couple of thunderstorms, especially late; humid

RealFeel®89°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindESE 2 mph

Tue 8/5

80° /60°
43%
Mostly cloudy and humid; a shower in spots in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®82°

RealFeel Shade™80°

Max UV Index4 (Moderate)

WindSSW 12 mph

Wed 8/6

77° /56°
58%
Times of clouds and sun with a couple of showers and a thunderstorm; humid

RealFeel®80°

RealFeel Shade™76°

Max UV Index7 (High)

WindWNW 12 mph

Thu 8/7

76° /58°
55%
Mostly cloudy with a couple of showers

RealFeel®76°

RealFeel Shade™76°

Max UV Index3 (Moderate)

WindN 7 mph

Fri 8/8

77° /60°
1%
Plenty of sunshine

RealFeel®84°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindWSW 1 mph

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