June 17 - July 31

Tue 6/17

Mostly cloudy and humid with a drenching thunderstorm; storms can bring flooding downpours, hail, damaging wind gusts, and an isolated tornado

RealFeel®78°

RealFeel Shade™73°

Max UV Index4 (Moderate)

WindNW 7 mph

Wed 6/18

78° /57°

88%

Mostly cloudy with a couple of showers and a thunderstorm; a big warmup is on the way later this week

RealFeel®78°

RealFeel Shade™76°

Max UV Index3 (Moderate)

WindN 9 mph

Thu 6/19

87° /65°

Sunny, humid and warmer

RealFeel®90°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindSW 10 mph

Fri 6/20

88° /71°

10%

Partly sunny, windy and humid

RealFeel®92°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindS 20 mph

Sat 6/21

94° /70°

16%

Partly sunny, windy and humid

RealFeel®101°

RealFeel Shade™98°

Max UV Index10 (Very High)

WindSSW 20 mph

Sun 6/22

92° /68°

15%

Windy and humid with plenty of sun

RealFeel®96°

RealFeel Shade™93°

Max UV Index10 (Very High)

WindSSW 20 mph

Mon 6/23

83° /61°

42%

A thunderstorm in parts of the area in the morning; otherwise, not as hot with sunshine and some clouds

RealFeel®87°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindS 17 mph

Tue 6/24

75° /65°

68%

Humid with times of clouds and sun; a couple of afternoon thunderstorms

RealFeel®87°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindSW 9 mph

Wed 6/25

78° /64°

62%

Cloudy and humid with a couple of thunderstorms

RealFeel®87°

RealFeel Shade™86°

Max UV Index3 (Moderate)

WindSSW 6 mph

Thu 6/26

80° /60°

82%

Cloudy and humid; rain and a thunderstorm in the morning followed by a thunderstorm in the afternoon

RealFeel®88°

RealFeel Shade™88°

Max UV Index4 (Moderate)

WindSSW 10 mph

Fri 6/27

79° /59°

55%

Cloudy; a little rain in the morning followed by a shower in spots in the afternoon

RealFeel®78°

RealFeel Shade™78°

Max UV Index2 (Low)

WindN 7 mph

Sat 6/28

81° /62°

Mostly cloudy and humid

RealFeel®86°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindESE 1 mph

Sun 6/29

83° /64°

67%

Humid; a morning thunderstorm or two, then clouds and sun in the afternoon

RealFeel®87°

RealFeel Shade™84°

Max UV Index5 (Moderate)

WindSSE 14 mph

Mon 6/30

82° /61°

20%

Humid with sunshine and a few clouds

RealFeel®90°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindSSW 10 mph

Tue 7/1

86° /67°

20%

Partly sunny and humid

RealFeel®94°

RealFeel Shade™91°

Max UV Index10 (Very High)

WindSSW 10 mph

Wed 7/2

87° /67°

20%

Humid with partial sunshine

RealFeel®95°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindS 7 mph

Thu 7/3

87° /68°

Humid with plenty of sun

RealFeel®91°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindS 9 mph

Fri 7/4

86° /68°

25%

Humid with plenty of sunshine

RealFeel®93°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindSSW 10 mph

Sat 7/5

86° /67°

25%

Humid with times of clouds and sun

RealFeel®89°

RealFeel Shade™88°

Max UV Index5 (Moderate)

WindS 7 mph

Sun 7/6

87° /68°

20%

Sunny to partly cloudy

RealFeel®89°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSSW 10 mph

Mon 7/7

88° /68°

20%

Humid with times of clouds and sun

RealFeel®91°

RealFeel Shade™88°

Max UV Index6 (High)

WindSSW 6 mph

Tue 7/8

88° /67°

25%

Partly sunny and humid

RealFeel®95°

RealFeel Shade™92°

Max UV Index9 (Very High)

WindNE 10 mph

Wed 7/9

85° /67°

60%

Mostly cloudy and humid; a little morning rain followed by a thundershower in the afternoon

RealFeel®90°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindE 8 mph

Thu 7/10

81° /66°

70%

Periods of rain in the morning; otherwise, rather cloudy and humid

RealFeel®86°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindSE 9 mph

Fri 7/11

86° /68°

55%

Mostly sunny and humid; an afternoon thunderstorm

RealFeel®92°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindSSW 8 mph

Sat 7/12

87° /67°

20%

Clouds to start, then sunshine returns and humid

RealFeel®90°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindWNW 14 mph

Sun 7/13

85° /66°

20%

Plenty of sun

RealFeel®91°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindESE 5 mph

Mon 7/14

86° /69°

20%

Humid with more sun than clouds

RealFeel®89°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindS 10 mph

Tue 7/15

88° /68°

56%

A couple of morning showers; otherwise, mostly cloudy and humid

RealFeel®97°

RealFeel Shade™95°

Max UV Index3 (Moderate)

WindNW 6 mph

Wed 7/16

86° /66°

20%

Sunny to partly cloudy and less humid

RealFeel®89°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindNE 7 mph

Thu 7/17

82° /65°

20%

Sunshine and a few clouds

RealFeel®86°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindNE 6 mph

Fri 7/18

81° /65°

10%

Sunshine

RealFeel®86°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindS 7 mph

Sat 7/19

85° /64°

25%

Clouds to start, then sunshine returns

RealFeel®88°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindNW 7 mph

Sun 7/20

78° /60°

10%

Mostly sunny and less humid

RealFeel®83°

RealFeel Shade™75°

Max UV Index10 (Very High)

WindNW 6 mph

Mon 7/21

78° /59°

60%

A touch of rain in the morning; otherwise, mostly cloudy

RealFeel®79°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindWSW 8 mph

Tue 7/22

76° /58°

25%

Turning cloudy

RealFeel®76°

RealFeel Shade™73°

Max UV Index9 (Very High)

WindNW 16 mph

Wed 7/23

75° /58°

25%

Rather cloudy

RealFeel®73°

RealFeel Shade™73°

Max UV Index4 (Moderate)

WindNW 10 mph

Thu 7/24

75° /57°

Plenty of sunshine

RealFeel®82°

RealFeel Shade™74°

Max UV Index9 (Very High)

WindWSW 4 mph

Fri 7/25

77° /58°

25%

Mostly cloudy

RealFeel®76°

RealFeel Shade™76°

Max UV Index3 (Moderate)

WindESE 6 mph

Sat 7/26

76° /59°

56%

Cloudy; a shower in spots in the morning followed by a little rain in the afternoon

RealFeel®74°

RealFeel Shade™74°

Max UV Index3 (Moderate)

WindENE 5 mph

Sun 7/27

77° /63°

65%

A couple of morning showers; otherwise, mostly cloudy

RealFeel®77°

RealFeel Shade™76°

Max UV Index5 (Moderate)

WindE 8 mph

Mon 7/28

78° /58°

Mostly sunny

RealFeel®84°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindS 4 mph

Tue 7/29

78° /58°

Plenty of sunshine

RealFeel®83°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindSSE 5 mph

Wed 7/30

80° /59°

Plenty of sunshine

RealFeel®83°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindS 7 mph

Thu 7/31

79° /57°

Mostly sunny

RealFeel®86°

RealFeel Shade™82°

Max UV Index9 (Very High)

WindSSW 5 mph

Crystal Lake, IA

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