Ottawa, IL

Mostly sunny

RealFeel®99°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSSE 4 mph

Tue 7/15

90° /69°

43%

Hot and humid with times of clouds and sun; a thunderstorm in the area late in the afternoon

RealFeel®101°

RealFeel Shade™93°

Max UV Index7 (High)

WindSSE 6 mph

Wed 7/16

90° /70°

88%

Times of clouds and sun, hot and very humid with a thunderstorm or two

RealFeel®101°

RealFeel Shade™94°

Max UV Index9 (Very High)

WindSW 8 mph

Thu 7/17

81° /63°

80%

Mostly cloudy with a thunderstorm; not as warm but humid

RealFeel®90°

RealFeel Shade™86°

Max UV Index4 (Moderate)

WindW 7 mph

Fri 7/18

78° /65°

Humid with times of clouds and sun

RealFeel®88°

RealFeel Shade™83°

Max UV Index7 (High)

WindN 4 mph

Sat 7/19

80° /69°

88%

Watch for strong thunderstorms in the morning; cloudy and very humid with a couple of thunderstorms in the afternoon

RealFeel®89°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindSSW 8 mph

Sun 7/20

82° /68°

42%

A morning thunderstorm in parts of the area; otherwise, mostly cloudy and humid

RealFeel®90°

RealFeel Shade™85°

Max UV Index4 (Moderate)

WindSSW 8 mph

Mon 7/21

81° /68°

64%

Watch for strong morning thunderstorms; humid with plenty of clouds

RealFeel®89°

RealFeel Shade™88°

Max UV Index3 (Moderate)

WindE 8 mph

Tue 7/22

85° /71°

Humid with intervals of clouds and sunshine

RealFeel®99°

RealFeel Shade™93°

Max UV Index6 (High)

WindSW 10 mph

Wed 7/23

84° /71°

Partly sunny and uncomfortably humid

RealFeel®105°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindSSW 2 mph

Thu 7/24

85° /66°

40%

Partial sunshine with a thunderstorm in parts of the area; very humid

RealFeel®104°

RealFeel Shade™98°

Max UV Index10 (Very High)

WindWSW 5 mph

Fri 7/25

84° /66°

66%

Very humid with periods of rain

RealFeel®100°

RealFeel Shade™95°

Max UV Index5 (Moderate)

WindN 7 mph

Sat 7/26

84° /65°

Partly sunny and uncomfortably humid

RealFeel®99°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindNE 8 mph

Sun 7/27

83° /64°

68%

Mostly cloudy and humid with a couple of showers and a thunderstorm, mainly later

RealFeel®92°

RealFeel Shade™90°

Max UV Index4 (Moderate)

WindSSE 6 mph

Mon 7/28

79° /67°

A little rain in the morning; otherwise, cloudy and humid

RealFeel®82°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindNW 8 mph

Tue 7/29

79° /65°

Sunshine and less humid

RealFeel®85°

RealFeel Shade™77°

Max UV Index9 (Very High)

WindWSW 8 mph

Wed 7/30

78° /61°

Mostly sunny with a passing shower in the afternoon

RealFeel®83°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindWNW 8 mph

Thu 7/31

77° /60°

Mostly sunny

RealFeel®84°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindNW 6 mph

Fri 8/1

78° /61°

Plenty of clouds

RealFeel®77°

RealFeel Shade™77°

Max UV Index3 (Moderate)

WindSSW 6 mph

Sat 8/2

78° /63°

Sun followed by increasing clouds

RealFeel®80°

RealFeel Shade™77°

Max UV Index6 (High)

WindSE 5 mph

Sun 8/3

79° /66°

Sunshine

RealFeel®88°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindNW 5 mph

Mon 8/4

81° /63°

Mostly sunny and less humid

RealFeel®85°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindNE 8 mph

Tue 8/5

78° /60°

Plenty of sunshine

RealFeel®86°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindNE 4 mph

Wed 8/6

78° /61°

Sunny

RealFeel®85°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindS 5 mph

Thu 8/7

81° /67°

65%

Cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®82°

RealFeel Shade™82°

Max UV Index2 (Low)

WindSW 7 mph

Fri 8/8

78° /66°

Sunshine

RealFeel®87°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindSSW 6 mph

Sat 8/9

83° /67°

Increasing cloudiness and humid

RealFeel®88°

RealFeel Shade™88°

Max UV Index6 (High)

WindSSW 8 mph

Sun 8/10

86° /68°

Mostly sunny, warm and humid

RealFeel®96°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindS 6 mph

Mon 8/11

86° /68°

Becoming cloudy, warm and humid

RealFeel®91°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSSW 13 mph

Tue 8/12

85° /69°

Mostly sunny and humid

RealFeel®89°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindSW 15 mph

Wed 8/13

86° /67°

Mainly cloudy and warm

RealFeel®86°

RealFeel Shade™86°

Max UV Index3 (Moderate)

WindNE 6 mph

Thu 8/14

82° /67°

65%

A thick cloud cover and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®86°

RealFeel Shade™86°

Max UV Index2 (Low)

WindS 10 mph

Fri 8/15

81° /66°

64%

A couple of showers and a thunderstorm in the morning; otherwise, cloudy and humid

RealFeel®91°

RealFeel Shade™91°

Max UV Index2 (Low)

WindW 5 mph

Sat 8/16

81° /67°

Mostly cloudy and humid

RealFeel®87°

RealFeel Shade™84°

Max UV Index4 (Moderate)

WindNE 5 mph

Sun 8/17

80° /66°

20%

Humid with clouds yielding to sun

RealFeel®85°

RealFeel Shade™81°

Max UV Index8 (Very High)

WindE 7 mph

Mon 8/18

82° /67°

Partly sunny and humid

RealFeel®90°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindSE 7 mph

Tue 8/19

84° /67°

Humid with clouds and sunshine

RealFeel®90°

RealFeel Shade™88°

Max UV Index4 (Moderate)

WindS 7 mph

Wed 8/20

84° /68°

Partly sunny and uncomfortably humid; an afternoon thundershower

RealFeel®91°

RealFeel Shade™90°

Max UV Index7 (High)

WindWSW 8 mph

Thu 8/21

83° /67°

A morning thunderstorm; otherwise, humid with a blend of sun and clouds

RealFeel®91°

RealFeel Shade™89°

Max UV Index7 (High)

WindSE 8 mph

Fri 8/22

84° /68°

65%

Turning cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®89°

RealFeel Shade™89°

Max UV Index4 (Moderate)

WindSSW 9 mph

Sat 8/23

83° /67°

70%

Considerable cloudiness with showers and thunderstorms becoming more widespread; humid

RealFeel®89°

RealFeel Shade™89°

Max UV Index2 (Low)

WindS 6 mph

Sun 8/24

84° /67°