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Extreme heat expands across Central US; some temps to top 100 degrees Chevron right
At least 5 dead amid West Virginia flooding as search continues for several missing Chevron right

Byron, IL

72°F
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Byron, IL Weather
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10 AM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Cloudy

RealFeel Shade™73°

WindSSE 7 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts13 mph

Humidity71%

Indoor Humidity71% (Humid)

Dew Point64° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling20000 ft

11 AM

78°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 52%
Chevron down
Mostly cloudy w/ showers

RealFeel Shade™74°

WindSSE 7 mph

Air QualityPoor

Max UV Index4 (Moderate)

Wind Gusts14 mph

Humidity62%

Indoor Humidity62% (Humid)

Dew Point64° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Rain0.02 in

Visibility6 mi

Cloud Ceiling9000 ft

12 PM

82°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 48%
Chevron down
Partly sunny

RealFeel Shade™81°

WindSE 7 mph

Air QualityPoor

Max UV Index10 (Very High)

Wind Gusts16 mph

Humidity54%

Indoor Humidity54% (Humid)

Dew Point64° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

83°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 30%
Chevron down
Partly sunny

RealFeel Shade™82°

WindSE 7 mph

Air QualityPoor

Max UV Index10 (Very High)

Wind Gusts17 mph

Humidity51%

Indoor Humidity51% (Humid)

Dew Point63° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

85°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Cloudy

RealFeel Shade™83°

WindSE 7 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts17 mph

Humidity48%

Indoor Humidity48% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

85°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Cloudy

RealFeel Shade™84°

WindSSE 7 mph

Air QualityPoor

Max UV Index4 (Moderate)

Wind Gusts17 mph

Humidity47%

Indoor Humidity47% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

86°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Cloudy

RealFeel Shade™84°

WindSSE 8 mph

Air QualityPoor

Max UV Index3 (Moderate)

Wind Gusts16 mph

Humidity46%

Indoor Humidity46% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

85°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Cloudy

RealFeel Shade™83°

WindSSE 8 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts17 mph

Humidity48%

Indoor Humidity48% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

84°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Cloudy

RealFeel Shade™82°

WindSSE 8 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts18 mph

Humidity51%

Indoor Humidity51% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

82°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Cloudy

RealFeel Shade™82°

WindSSE 7 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts18 mph

Humidity54%

Indoor Humidity54% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

82°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™81°

WindS 8 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts15 mph

Humidity57%

Indoor Humidity57% (Humid)

Dew Point65° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover68%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

79°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

WindS 7 mph

Air QualityPoor

Wind Gusts15 mph

Humidity65%

Indoor Humidity65% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover69%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

76°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

WindS 7 mph

Air QualityPoor

Wind Gusts15 mph

Humidity74%

Indoor Humidity74% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover69%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

73°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Partly cloudy

WindS 7 mph

Air QualityPoor

Wind Gusts15 mph

Humidity82%

Indoor Humidity82% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Illinois Byron

Weather Near Byron:

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