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Roundup, MT

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Roundup, MT Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today WinterCast

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WinterCast

Little to no accumulation

Fri, 2/20, 7:00 PM - Sat, 2/21, 6:00 AM

Snow

3 AM

2°
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
Partly cloudy

WindSSW 28 mph

Air QualityFair

Wind Gusts32 mph

Humidity86%

Indoor Humidity15% (Extremely Dry)

Dew Point-1° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

2°
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
Partly cloudy

WindSSW 28 mph

Air QualityFair

Wind Gusts32 mph

Humidity81%

Indoor Humidity14% (Extremely Dry)

Dew Point-2° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

3°
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
Partly cloudy

WindSSW 28 mph

Air QualityFair

Wind Gusts32 mph

Humidity80%

Indoor Humidity14% (Extremely Dry)

Dew Point-2° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

4°
RealFeel® -28°
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
Partly cloudy

WindSSW 28 mph

Air QualityFair

Wind Gusts32 mph

Humidity78%

Indoor Humidity15% (Extremely Dry)

Dew Point-2° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

4°
RealFeel® -4°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindSSW 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity84%

Indoor Humidity16% (Extremely Dry)

Dew Point0° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

4°
RealFeel® -3°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™-3°

WindSSW 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts10 mph

Humidity79%

Indoor Humidity15% (Extremely Dry)

Dew Point-1° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

9°
RealFeel® 0°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™0°

WindSW 8 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts10 mph

Humidity72%

Indoor Humidity17% (Extremely Dry)

Dew Point2° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

14°
RealFeel® 3°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™1°

WindSW 10 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts13 mph

Humidity64%

Indoor Humidity19% (Extremely Dry)

Dew Point4° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

20°
RealFeel® 9°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™7°

WindSW 12 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts14 mph

Humidity57%

Indoor Humidity22% (Very Dry)

Dew Point7° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

25°
RealFeel® 14°
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
Cloudy

RealFeel Shade™12°

WindSW 13 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts15 mph

Humidity50%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

28°
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 5%
Chevron down
Cloudy

RealFeel Shade™16°

WindSW 12 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts14 mph

Humidity46%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

30°
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 5%
Chevron down
Cloudy

RealFeel Shade™19°

WindWSW 12 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts15 mph

Humidity44%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

31°
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 5%
Chevron down
Cloudy

RealFeel Shade™21°

WindW 13 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts15 mph

Humidity44%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling15800 ft

4 PM

29°
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 5%
Chevron down
Cloudy

RealFeel Shade™17°

WindN 13 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts15 mph

Humidity51%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14100 ft

5 PM

26°
RealFeel® 13°
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 5%
Chevron down
Cloudy

RealFeel Shade™13°

WindN 13 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts15 mph

Humidity59%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling12400 ft

6 PM

24°
RealFeel® 12°
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 8%
Chevron down
Cloudy

WindNNE 10 mph

Air QualityFair

Wind Gusts13 mph

Humidity68%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling12200 ft

7 PM

21°
RealFeel® 12°
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 52%
Chevron down
Flurries

WindNE 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity74%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Snowtrace

Visibility10 mi

Cloud Ceiling7000 ft

8 PM

19°
RealFeel® 14°
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 52%
Chevron down
Flurries

WindNE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity81%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover82%

Snowtrace

Visibility10 mi

Cloud Ceiling7000 ft

9 PM

18°
RealFeel® 15°
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 45%
Chevron down
Intermittent clouds

WindNE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity83%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling15100 ft

10 PM

17°
RealFeel® 15°
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 35%
Chevron down
Intermittent clouds

WindNW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity84%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover67%

Visibility10 mi

Cloud Ceiling18300 ft

11 PM

16°
RealFeel® 15°
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 40%
Chevron down
Intermittent clouds

WindW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity87%

Indoor Humidity26% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling21600 ft

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World North America United States Montana Roundup

Weather Near Roundup:

  • Billings, MT
  • Cody, WY
  • Miles City, MT
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