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Byron, IL

-11°F
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Byron, IL Weather
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WinterCast

A coating to an inch

Sat, 1/24, 4:00 PM - Sat, 1/24, 7:00 PM

Snow

7 AM

-15°
RealFeel® -44°
Very Dangerous Cold
RealFeel Guide
Very Dangerous Cold
-69° to -44°
Great caution advised. Frostbite to exposed skin within 1 minute. Hypothermia likely without protective clothing.
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rain drop 0%
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Hazy moonlight
alerts

Extreme Cold Warning

3:00 AM Friday - 12:00 PM Friday

WindNNW 16 mph

Air QualityFair

Wind Gusts23 mph

Humidity77%

Indoor Humidity7% (Dangerously Dry)

Dew Point-20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling20900 ft

8 AM

-17°
RealFeel® -45°
Very Dangerous Cold
RealFeel Guide
Very Dangerous Cold
-69° to -44°
Great caution advised. Frostbite to exposed skin within 1 minute. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
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Hazy sunshine
alerts

Extreme Cold Warning

3:00 AM Friday - 12:00 PM Friday

RealFeel Shade™-45°

WindNNW 16 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts23 mph

Humidity70%

Indoor Humidity5% (Dangerously Dry)

Dew Point-25° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover55%

Visibility10 mi

Cloud Ceiling21800 ft

9 AM

-15°
RealFeel® -41°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Cold Warning

3:00 AM Friday - 12:00 PM Friday

RealFeel Shade™-43°

WindNNW 16 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts23 mph

Humidity60%

Indoor Humidity5% (Dangerously Dry)

Dew Point-25° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

-12°
RealFeel® -35°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
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Hazy sunshine
alerts

Extreme Cold Warning

3:00 AM Friday - 12:00 PM Friday

RealFeel Shade™-39°

WindNNW 15 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts22 mph

Humidity54%

Indoor Humidity5% (Dangerously Dry)

Dew Point-25° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling25100 ft

11 AM

-10°
RealFeel® -31°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Cold Warning

3:00 AM Friday - 12:00 PM Friday

RealFeel Shade™-35°

WindNNW 15 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts21 mph

Humidity49%

Indoor Humidity5% (Dangerously Dry)

Dew Point-24° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover61%

Visibility10 mi

Cloud Ceiling27500 ft

12 PM

-9°
RealFeel® -29°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
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Hazy sunshine
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

RealFeel Shade™-33°

WindNNW 14 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts21 mph

Humidity49%

Indoor Humidity6% (Dangerously Dry)

Dew Point-23° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

-8°
RealFeel® -31°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

RealFeel Shade™-34°

WindNNW 16 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts24 mph

Humidity47%

Indoor Humidity6% (Dangerously Dry)

Dew Point-23° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling22400 ft

2 PM

-7°
RealFeel® -30°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

RealFeel Shade™-33°

WindNNW 16 mph

Air QualityExcellent

Max UV Index1.5 (Low)

Wind Gusts25 mph

Humidity48%

Indoor Humidity6% (Dangerously Dry)

Dew Point-22° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

-6°
RealFeel® -30°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

RealFeel Shade™-31°

WindNNW 16 mph

Air QualityExcellent

Max UV Index1.0 (Low)

Wind Gusts24 mph

Humidity47%

Indoor Humidity6% (Dangerously Dry)

Dew Point-22° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

-7°
RealFeel® -31°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

RealFeel Shade™-31°

WindNNW 15 mph

Air QualityExcellent

Max UV Index0.5 (Low)

Wind Gusts23 mph

Humidity52%

Indoor Humidity6% (Dangerously Dry)

Dew Point-21° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

-8°
RealFeel® -31°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

RealFeel Shade™-31°

WindNNW 14 mph

Air QualityExcellent

Max UV Index0.0 (Low)

Wind Gusts22 mph

Humidity59%

Indoor Humidity7% (Dangerously Dry)

Dew Point-19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling22400 ft

6 PM

-9°
RealFeel® -30°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

WindNNW 13 mph

Air QualityFair

Wind Gusts20 mph

Humidity62%

Indoor Humidity7% (Dangerously Dry)

Dew Point-19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

-10°
RealFeel® -24°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

WindNNW 8 mph

Air QualityFair

Wind Gusts13 mph

Humidity64%

Indoor Humidity7% (Dangerously Dry)

Dew Point-19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling25900 ft

8 PM

-10°
RealFeel® -24°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

WindNNW 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity65%

Indoor Humidity7% (Dangerously Dry)

Dew Point-19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling21800 ft

9 PM

-11°
RealFeel® -25°
Dangerous Cold
RealFeel Guide
Dangerous Cold
-43° to -25°
Significant caution advised. Frostbite to exposed skin within 2 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

WindN 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity65%

Indoor Humidity7% (Dangerously Dry)

Dew Point-19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling17700 ft

10 PM

-11°
RealFeel® -24°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

WindN 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity66%

Indoor Humidity7% (Dangerously Dry)

Dew Point-20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling17700 ft

11 PM

-11°
RealFeel® -23°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Cold Weather Advisory

12:00 PM Friday - 9:00 AM Saturday

WindN 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity66%

Indoor Humidity7% (Dangerously Dry)

Dew Point-20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling17700 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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