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Tropical Storm Erick to rapidly strengthen, may become major hurricane Chevron right
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Dayton, IL

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Dayton, IL Weather
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Winter Center
Today Hourly

Daily

 Radar MinuteCast Monthly Air Quality Health & Activities

June 17 - July 31

Tue 6/17

89° /70°
56%
Mostly sunny, very warm and humid; a thunderstorm in spots late this afternoon; storms can bring flooding downpours and localized damaging wind gusts

RealFeel®96°

RealFeel Shade™92°

Max UV Index11 (Extreme)

WindWSW 10 mph

Wed 6/18

79° /60°
91%
Cloudy, breezy and not as warm with a couple of heavy thunderstorms; storms can bring flooding downpours, hail, damaging wind gusts, and an isolated tornado

RealFeel®81°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindSSW 14 mph

Thu 6/19

86° /64°
84%
Partly sunny and humid with a couple of showers

RealFeel®87°

RealFeel Shade™83°

Max UV Index11 (Extreme)

WindW 10 mph

Fri 6/20

88° /70°
6%
Warm and humid with more sun than clouds

RealFeel®93°

RealFeel Shade™87°

Max UV Index11 (Extreme)

WindSSW 12 mph

Sat 6/21

98° /73°
10%
Sunshine and windy with near-record temperatures; danger of dehydration and heatstroke if outside for extended periods of time

RealFeel®104°

RealFeel Shade™99°

Max UV Index11 (Extreme)

WindSSW 16 mph

Sun 6/22

94° /72°
12%
Breezy in the morning; otherwise, hot with plenty of sunshine

RealFeel®99°

RealFeel Shade™94°

Max UV Index11 (Extreme)

WindSSW 13 mph

Mon 6/23

92° /71°
25%
Hot with plenty of sun

RealFeel®98°

RealFeel Shade™91°

Max UV Index11 (Extreme)

WindSSW 12 mph

Tue 6/24

90° /70°
2%
Mostly sunny and hot

RealFeel®94°

RealFeel Shade™88°

Max UV Index11 (Extreme)

WindSSW 9 mph

Wed 6/25

87° /69°
6%
Mostly sunny and warm

RealFeel®91°

RealFeel Shade™84°

Max UV Index11 (Extreme)

WindSSW 8 mph

Thu 6/26

85° /66°
40%
Partly sunny with a thunderstorm in spots in the afternoon

RealFeel®88°

RealFeel Shade™83°

Max UV Index11 (Extreme)

WindSSW 12 mph

Fri 6/27

83° /66°
63%
Mostly cloudy and humid; a passing shower in the morning followed by a couple of thunderstorms in the afternoon

RealFeel®89°

RealFeel Shade™82°

Max UV Index11 (Extreme)

WindW 7 mph

Sat 6/28

82° /65°
40%
A morning shower in the area; otherwise, clouds giving way to some sun

RealFeel®89°

RealFeel Shade™82°

Max UV Index5 (Moderate)

WindN 2 mph

Sun 6/29

84° /66°
4%
Mostly cloudy

RealFeel®86°

RealFeel Shade™82°

Max UV Index7 (High)

WindSSE 6 mph

Mon 6/30

83° /64°
5%
Sunny

RealFeel®87°

RealFeel Shade™80°

Max UV Index11 (Extreme)

WindSW 9 mph

Tue 7/1

87° /70°
5%
Warm and humid with abundant sunshine

RealFeel®94°

RealFeel Shade™89°

Max UV Index11 (Extreme)

WindSW 9 mph

Wed 7/2

86° /69°
55%
Mostly sunny, warm and humid; a passing thunderstorm in the afternoon

RealFeel®96°

RealFeel Shade™91°

Max UV Index11 (Extreme)

WindWSW 6 mph

Thu 7/3

86° /67°
55%
Mostly sunny and uncomfortably humid; an afternoon thunderstorm

RealFeel®96°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindSSE 6 mph

Fri 7/4

83° /68°
5%
Mostly sunny and uncomfortably humid

RealFeel®93°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindSSW 8 mph

Sat 7/5

87° /69°
20%
Sunny to partly cloudy, warm and very humid

RealFeel®98°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindSW 5 mph

Sun 7/6

86° /70°
25%
Mostly sunny and uncomfortably humid

RealFeel®96°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindSSE 8 mph

Mon 7/7

87° /70°
10%
Abundant sunshine, warm and humid

RealFeel®96°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindS 7 mph

Tue 7/8

88° /69°
20%
Mostly sunny, warm and humid

RealFeel®96°

RealFeel Shade™93°

Max UV Index10 (Very High)

WindWSW 8 mph

Wed 7/9

84° /68°
70%
Mostly cloudy and humid; afternoon showers and thunderstorms

RealFeel®88°

RealFeel Shade™88°

Max UV Index3 (Moderate)

WindNE 8 mph

Thu 7/10

80° /67°
20%
Turning cloudy and less humid

RealFeel®87°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindE 6 mph

Fri 7/11

85° /69°
58%
Uncomfortably humid with intervals of clouds and sun; a thunderstorm in the afternoon

RealFeel®94°

RealFeel Shade™92°

Max UV Index6 (High)

WindS 8 mph

Sat 7/12

86° /70°
10%
Mostly sunny and humid

RealFeel®93°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindSW 14 mph

Sun 7/13

87° /69°
25%
Clouds to start, then sunshine returns and humid

RealFeel®94°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindNNE 6 mph

Mon 7/14

86° /69°
25%
Rather cloudy and humid

RealFeel®92°

RealFeel Shade™91°

Max UV Index4 (Moderate)

WindS 8 mph

Tue 7/15

88° /70°
25%
Cloudy, warm and less humid

RealFeel®89°

RealFeel Shade™89°

Max UV Index3 (Moderate)

WindW 9 mph

Wed 7/16

87° /68°
20%
Warm with plenty of sunshine

RealFeel®91°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindN 8 mph

Thu 7/17

84° /68°
20%
Partly sunny

RealFeel®92°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindNNE 4 mph

Fri 7/18

81° /65°
20%
Plenty of sunshine

RealFeel®89°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindSSE 5 mph

Sat 7/19

83° /68°
70%
Mostly cloudy and humid; showers and thunderstorms in the afternoon

RealFeel®90°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindSW 7 mph

Sun 7/20

79° /63°
10%
Sunny and less humid

RealFeel®87°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindN 5 mph

Mon 7/21

79° /63°
20%
Mostly sunny

RealFeel®85°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindSW 6 mph

Tue 7/22

82° /61°
25%
Less humid with thickening clouds

RealFeel®81°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindW 15 mph

Wed 7/23

77° /61°
25%
Cloudy

RealFeel®74°

RealFeel Shade™74°

Max UV Index3 (Moderate)

WindNW 14 mph

Thu 7/24

77° /60°
25%
Sun followed by increasing clouds

RealFeel®79°

RealFeel Shade™76°

Max UV Index7 (High)

WindNW 5 mph

Fri 7/25

78° /61°
25%
Cloudy

RealFeel®77°

RealFeel Shade™77°

Max UV Index3 (Moderate)

WindE 4 mph

Sat 7/26

78° /66°
58%
A little morning rain; otherwise, cloudy

RealFeel®78°

RealFeel Shade™75°

Max UV Index3 (Moderate)

WindE 9 mph

Sun 7/27

80° /67°
25%
Mostly cloudy

RealFeel®80°

RealFeel Shade™80°

Max UV Index4 (Moderate)

WindESE 6 mph

Mon 7/28

78° /60°
0%
Mostly sunny

RealFeel®85°

RealFeel Shade™81°

Max UV Index9 (Very High)

WindE 2 mph

Tue 7/29

79° /60°
1%
Mostly sunny

RealFeel®85°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindESE 4 mph

Wed 7/30

79° /61°
0%
Plenty of sunshine

RealFeel®85°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindENE 6 mph

Thu 7/31

83° /62°
2%
Mostly sunny and humid

RealFeel®93°

RealFeel Shade™91°

Max UV Index9 (Very High)

WindE 2 mph

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Weather Near Dayton:

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  • Joliet, IL
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