Ottawa, IL

95%

Cloudy and humid with a couple of showers and a heavy thunderstorm; watch for flash flooding

RealFeel®89°

RealFeel Shade™89°

Max UV Index3 (Moderate)

WindESE 5 mph

Tue 7/22

90° /73°

82%

Clouds and breaks of sun, hot and very humid with a thunderstorm

RealFeel®103°

RealFeel Shade™98°

Max UV Index6 (High)

WindS 6 mph

Wed 7/23

91° /72°

80%

Sun and some clouds, hot and very humid with a thunderstorm

RealFeel®107°

RealFeel Shade™99°

Max UV Index10 (Very High)

WindS 7 mph

Thu 7/24

89° /70°

Warm and very humid with plenty of sun

RealFeel®104°

RealFeel Shade™97°

Max UV Index10 (Very High)

WindSW 8 mph

Fri 7/25

87° /71°

80%

Warm and humid with variable cloudiness; thunderstorms in the afternoon

RealFeel®104°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindS 4 mph

Sat 7/26

84° /69°

76%

Cloudy and very humid; morning thunderstorms followed by a couple of showers in the afternoon

RealFeel®94°

RealFeel Shade™93°

Max UV Index3 (Moderate)

WindSSW 5 mph

Sun 7/27

85° /69°

43%

Variable cloudiness; a thunderstorm in spots in the morning followed by a shower in spots in the afternoon

RealFeel®93°

RealFeel Shade™87°

Max UV Index9 (Very High)

WindNW 5 mph

Mon 7/28

84° /67°

Partly sunny and uncomfortably humid

RealFeel®102°

RealFeel Shade™94°

Max UV Index9 (Very High)

WindSE 5 mph

Tue 7/29

83° /64°

58%

A passing morning shower; otherwise, clouds to start, then sunshine returns and humid

RealFeel®91°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindS 7 mph

Wed 7/30

84° /65°

82%

Overcast and humid; rain and a thunderstorm in the afternoon

RealFeel®94°

RealFeel Shade™89°

Max UV Index9 (Very High)

WindW 4 mph

Thu 7/31

83° /64°

Mostly cloudy and humid

RealFeel®90°

RealFeel Shade™87°

Max UV Index3 (Moderate)

WindSW 4 mph

Fri 8/1

84° /68°

56%

Humid with clouds and breaks of sun; a passing morning shower followed by a thunderstorm in spots in the afternoon

RealFeel®91°

RealFeel Shade™91°

Max UV Index4 (Moderate)

WindSW 8 mph

Sat 8/2

85° /65°

56%

Cloudy; a little rain in the morning followed by a couple of showers in the afternoon

RealFeel®83°

RealFeel Shade™83°

Max UV Index2 (Low)

WindNE 12 mph

Sun 8/3

77° /62°

Considerable cloudiness

RealFeel®77°

RealFeel Shade™74°

Max UV Index5 (Moderate)

WindENE 10 mph

Mon 8/4

76° /60°

Mostly sunny

RealFeel®82°

RealFeel Shade™74°

Max UV Index9 (Very High)

WindENE 7 mph

Tue 8/5

76° /60°

Mostly sunny

RealFeel®84°

RealFeel Shade™74°

Max UV Index9 (Very High)

WindENE 5 mph

Wed 8/6

77° /61°

Increasing cloudiness

RealFeel®84°

RealFeel Shade™77°

Max UV Index9 (Very High)

WindSSE 5 mph

Thu 8/7

77° /67°

65%

Cloudy and humid; a couple of morning showers followed by a thundershower in the afternoon

RealFeel®79°

RealFeel Shade™79°

Max UV Index2 (Low)

WindSSW 8 mph

Fri 8/8

79° /67°

55%

Humid with sun and clouds; a couple of showers in the morning followed by a thundershower in spots in the afternoon

RealFeel®80°

RealFeel Shade™79°

Max UV Index4 (Moderate)

WindNNE 7 mph

Sat 8/9

78° /65°

40%

More sun than clouds with a thundershower in spots in the afternoon

RealFeel®86°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindNNE 5 mph

Sun 8/10

78° /64°

Times of sun and clouds

RealFeel®83°

RealFeel Shade™80°

Max UV Index6 (High)

WindENE 4 mph

Mon 8/11

79° /65°

Mostly sunny

RealFeel®87°

RealFeel Shade™80°

Max UV Index8 (Very High)

WindS 5 mph

Tue 8/12

80° /67°

Humid with some sun

RealFeel®85°

RealFeel Shade™83°

Max UV Index5 (Moderate)

WindS 7 mph

Wed 8/13

83° /67°

Sunny and humid

RealFeel®88°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindS 9 mph

Thu 8/14

84° /68°

Humid with intervals of clouds and sunshine

RealFeel®92°

RealFeel Shade™91°

Max UV Index3 (Moderate)

WindSW 13 mph

Fri 8/15

84° /67°

41%

Variable cloudiness with a thundershower in parts of the area; humid

RealFeel®92°

RealFeel Shade™92°

Max UV Index6 (High)

WindW 7 mph

Sat 8/16

83° /66°

Humid with brilliant sunshine

RealFeel®92°

RealFeel Shade™86°

Max UV Index8 (Very High)

WindNE 5 mph

Sun 8/17

83° /67°

Humid with plenty of sunshine

RealFeel®89°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindSE 7 mph

Mon 8/18

Humid with plenty of sunshine

RealFeel®95°

RealFeel Shade™92°

Max UV Index8 (Very High)

WindSSE 7 mph

Tue 8/19

Sunny, warm and humid

RealFeel®94°

RealFeel Shade™91°

Max UV Index8 (Very High)

WindS 9 mph

Wed 8/20

84° /67°

65%

Cloudy and humid; a little rain in the morning followed by a couple of showers and a thunderstorm in the afternoon

RealFeel®94°

RealFeel Shade™94°

Max UV Index2 (Low)

WindSSW 5 mph

Thu 8/21

Mostly sunny and uncomfortably humid

RealFeel®97°

RealFeel Shade™94°

Max UV Index8 (Very High)

WindS 4 mph

Fri 8/22

86° /68°

More sunshine than clouds, warm and very humid

RealFeel®99°

RealFeel Shade™95°

Max UV Index8 (Very High)

WindSSE 5 mph

Sat 8/23

85° /67°

Warm and very humid with considerable cloudiness

RealFeel®93°

RealFeel Shade™93°

Max UV Index2 (Low)

WindSSE 6 mph

Sun 8/24

86° /68°

Sunny, warm and humid

RealFeel®93°

RealFeel Shade™89°

Max UV Index7 (High)

WindSSW 8 mph

Mon 8/25

86° /68°

Warm and humid with sunshine

RealFeel®92°

RealFeel Shade™88°

Max UV Index7 (High)

WindSSW 6 mph

Tue 8/26

85° /67°

Cloudy, warm and humid

RealFeel®89°

RealFeel Shade™88°

Max UV Index2 (Low)

WindS 2 mph

Wed 8/27

86° /66°

Warm and humid with more sun than clouds

RealFeel®98°

RealFeel Shade™90°

Max UV Index7 (High)

WindNE 2 mph

Thu 8/28

85° /67°

60%

Partly sunny, humid and remaining warm; a thunderstorm in the afternoon

RealFeel®99°

RealFeel Shade™93°

Max UV Index7 (High)

WindNE 2 mph

Fri 8/29

76° /56°

56%

Mostly cloudy with a couple of showers, mainly early in the day

RealFeel®75°

RealFeel Shade™72°

Max UV Index2 (Low)

WindENE 12 mph

Sat 8/30

75° /56°

55%

Overcast with a touch of rain

RealFeel®73°

RealFeel Shade™73°

Max UV Index2 (Low)

WindENE 10 mph

Sun 8/31

75° /56°