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Arctic cold to be reinforced in northern U.S.; A reality check farther south. Click for details. Chevron right

Firth, ID

12°F
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Firth

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Firth, ID Weather
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 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

9 AM

15°
RealFeel® 19°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™16°

WindE 4 mph

Air QualityExcellent

Max UV Index1.1 (Low)

Wind Gusts5 mph

Humidity83%

Indoor Humidity24% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling33000 ft

10 AM

20°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™19°

WindE 5 mph

Air QualityExcellent

Max UV Index1.6 (Low)

Wind Gusts5 mph

Humidity72%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

24°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™25°

WindENE 4 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts4 mph

Humidity62%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

27°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™29°

WindE 4 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts4 mph

Humidity56%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

29°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™30°

WindESE 4 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts4 mph

Humidity52%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

30°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™30°

WindESE 4 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts5 mph

Humidity51%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

31°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™30°

WindE 5 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts5 mph

Humidity50%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

29°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™28°

WindNE 5 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts6 mph

Humidity54%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

27°
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™25°

WindNE 5 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts6 mph

Humidity60%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

24°
RealFeel® 21°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindENE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity67%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

24°
RealFeel® 19°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity73%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

23°
RealFeel® 19°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity74%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

22°
RealFeel® 18°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity77%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

21°
RealFeel® 17°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity78%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

21°
RealFeel® 16°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity78%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Idaho Firth

Weather Near Firth:

  • Idaho Falls, ID
  • Pocatello, ID
  • Rexburg, ID
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