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Dangerous heat wave to impact 170 million people in Midwest and Northeast. Details here Chevron right

Forreston, IL

65°F
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Forreston

Illinois

65°
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Forreston, IL Weather
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Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities
Heat Advisory

June 20 - August 3

Fri 6/20

84° /72°
84%
Periods of sunshine, windy and humid with a couple of brief showers, mainly midday

RealFeel®86°

RealFeel Shade™83°

Max UV Index6 (High)

WindSSW 17 mph

Sat 6/21

95° /73°
2%
Windy and humid with plenty of sunshine
alerts

Heat Advisory

10:00 AM Saturday - 12:00 AM Tuesday

RealFeel®100°

RealFeel Shade™97°

Max UV Index10 (Very High)

WindSSW 20 mph

Sun 6/22

97° /71°
6%
Breezy, very hot and humid with intervals of clouds and sun; stay hydrated when outside in the heat
alerts

Heat Advisory

10:00 AM Saturday - 12:00 AM Tuesday

RealFeel®102°

RealFeel Shade™98°

Max UV Index10 (Very High)

WindSSW 15 mph

Mon 6/23

97° /71°
19%
Breezy and very hot with sizzling sunshine; stay hydrated when outside in the heat
alerts

Heat Advisory

10:00 AM Saturday - 12:00 AM Tuesday

RealFeel®99°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindSW 15 mph

Tue 6/24

88° /70°
25%
Warm and humid with intervals of clouds and sunshine

RealFeel®94°

RealFeel Shade™90°

Max UV Index6 (High)

WindSSW 7 mph

Wed 6/25

90° /69°
88%
Partial sunshine; hot with a couple of showers and a thunderstorm

RealFeel®99°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindSW 9 mph

Thu 6/26

92° /69°
25%
Sunny to partly cloudy and hot

RealFeel®99°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindSW 12 mph

Fri 6/27

87° /67°
58%
Mostly cloudy with a couple of thunderstorms

RealFeel®88°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindWSW 10 mph

Sat 6/28

84° /63°
2%
Mostly cloudy and humid

RealFeel®92°

RealFeel Shade™89°

Max UV Index6 (High)

WindNW 7 mph

Sun 6/29

86° /64°
2%
Humid with sun and clouds

RealFeel®97°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindWSW 2 mph

Mon 6/30

84° /62°
75%
Cloudy and humid; periods of rain in the morning followed by a shower in spots in the afternoon

RealFeel®87°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindWNW 7 mph

Tue 7/1

84° /63°
1%
Mostly sunny and less humid

RealFeel®86°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindNW 9 mph

Wed 7/2

83° /62°
55%
A little morning rain; otherwise, mostly cloudy

RealFeel®89°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindNE 5 mph

Thu 7/3

84° /61°
25%
Intervals of clouds and sunshine

RealFeel®84°

RealFeel Shade™83°

Max UV Index5 (Moderate)

WindNE 4 mph

Fri 7/4

81° /64°
20%
Humid with plenty of sun

RealFeel®88°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindESE 5 mph

Sat 7/5

83° /65°
25%
Sunny and humid

RealFeel®92°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSSW 5 mph

Sun 7/6

85° /65°
61%
Mostly cloudy and humid; a couple of afternoon showers and a thunderstorm

RealFeel®92°

RealFeel Shade™92°

Max UV Index5 (Moderate)

WindS 4 mph

Mon 7/7

84° /64°
64%
A couple of morning showers and a thunderstorm; otherwise, cloudy and humid

RealFeel®89°

RealFeel Shade™89°

Max UV Index2 (Low)

WindW 5 mph

Tue 7/8

83° /64°
20%
Sunny to partly cloudy and humid

RealFeel®85°

RealFeel Shade™80°

Max UV Index10 (Very High)

WindNW 12 mph

Wed 7/9

79° /60°
25%
Mostly sunny and less humid

RealFeel®82°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindWNW 10 mph

Thu 7/10

79° /59°
10%
Mostly sunny

RealFeel®84°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindW 6 mph

Fri 7/11

80° /61°
10%
Mostly sunny

RealFeel®87°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindSSE 4 mph

Sat 7/12

80° /63°
64%
Mostly cloudy and humid with a couple of showers and a thunderstorm

RealFeel®82°

RealFeel Shade™80°

Max UV Index2 (Low)

WindSSW 10 mph

Sun 7/13

81° /58°
10%
Less humid with sunshine

RealFeel®86°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindWNW 6 mph

Mon 7/14

78° /58°
25%
Sun followed by clouds

RealFeel®77°

RealFeel Shade™77°

Max UV Index5 (Moderate)

WindESE 6 mph

Tue 7/15

78° /64°
70%
A thick cloud cover and humid; showers and thunderstorms in the afternoon

RealFeel®82°

RealFeel Shade™82°

Max UV Index2 (Low)

WindS 12 mph

Wed 7/16

80° /64°
10%
Mostly sunny and humid

RealFeel®88°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindW 6 mph

Thu 7/17

81° /65°
5%
Humid with plenty of sunshine

RealFeel®90°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindS 5 mph

Fri 7/18

83° /66°
64%
Variable cloudiness with a couple of thunderstorms; humid

RealFeel®88°

RealFeel Shade™88°

Max UV Index5 (Moderate)

WindSSW 10 mph

Sat 7/19

84° /65°
59%
Cloudy and very humid with a couple of showers and a thunderstorm

RealFeel®91°

RealFeel Shade™91°

Max UV Index2 (Low)

WindSSW 8 mph

Sun 7/20

84° /65°
5%
Less humid with plenty of sunshine

RealFeel®89°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindN 7 mph

Mon 7/21

80° /62°
10%
Mostly sunny

RealFeel®86°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindESE 6 mph

Tue 7/22

81° /65°
55%
A couple of morning showers; otherwise, mostly cloudy and humid

RealFeel®88°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindSSE 8 mph

Wed 7/23

85° /66°
25%
Rather cloudy and uncomfortably humid

RealFeel®93°

RealFeel Shade™91°

Max UV Index4 (Moderate)

WindSSW 7 mph

Thu 7/24

86° /64°
25%
Humid with clouds and intervals of sunshine

RealFeel®90°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindN 8 mph

Fri 7/25

79° /60°
25%
Less humid with partial sunshine

RealFeel®85°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindNE 6 mph

Sat 7/26

79° /63°
25%
Mostly cloudy and humid

RealFeel®82°

RealFeel Shade™82°

Max UV Index7 (High)

WindESE 5 mph

Sun 7/27

84° /65°
20%
Sunny to partly cloudy and humid

RealFeel®93°

RealFeel Shade™89°

Max UV Index9 (Very High)

WindSE 4 mph

Mon 7/28

86° /66°
25%
Humid with times of clouds and sun

RealFeel®93°

RealFeel Shade™91°

Max UV Index4 (Moderate)

WindS 8 mph

Tue 7/29

86° /66°
20%
Mostly sunny and humid

RealFeel®96°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindS 7 mph

Wed 7/30

85° /65°
55%
Mostly sunny and uncomfortably humid; an afternoon thunderstorm

RealFeel®95°

RealFeel Shade™91°

Max UV Index9 (Very High)

WindSSW 7 mph

Thu 7/31

86° /65°
10%
Mostly sunny and humid

RealFeel®94°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindSW 9 mph

Fri 8/1

79° /58°
0%
Mostly sunny

RealFeel®84°

RealFeel Shade™77°

Max UV Index9 (Very High)

WindENE 6 mph

Sat 8/2

79° /63°
1%
Partly sunny

RealFeel®82°

RealFeel Shade™77°

Max UV Index9 (Very High)

WindSSE 7 mph

Sun 8/3

81° /59°
56%
Mostly cloudy and humid; a little morning rain followed by a shower in spots in the afternoon

RealFeel®84°

RealFeel Shade™81°

Max UV Index4 (Moderate)

WindS 8 mph

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World North America United States Illinois Forreston

Weather Near Forreston:

  • Belvidere, IL
  • Freeport, IL
  • Rockford, IL
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