Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
California braces for multiple storms this week. Check to see how much rain and snow is in the forecast. Chevron right

Roundup, MT

56°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Roundup

Montana

56°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Roundup, MT Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 AM

33°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 15%
Chevron down
Intermittent clouds

WindSSW 8 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity80%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

1 AM

32°
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

WindSW 8 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity80%

Indoor Humidity36% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

32°
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 1%
Chevron down
Intermittent clouds

WindSW 9 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity79%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

31°
RealFeel® 23°
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 1%
Chevron down
Intermittent clouds

WindSW 9 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity78%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

30°
RealFeel® 22°
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 1%
Chevron down
Intermittent clouds

WindSW 9 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity79%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover60%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

30°
RealFeel® 22°
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 1%
Chevron down
Partly cloudy

WindSW 9 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity78%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover47%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

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 1%
Chevron down
Partly cloudy

WindSW 9 mph

Air QualityExcellent

Wind Gusts12 mph

Humidity77%

Indoor Humidity33% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

29°
RealFeel® 20°
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
Partly cloudy

WindSW 9 mph

Air QualityExcellent

Wind Gusts12 mph

Humidity81%

Indoor Humidity33% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

31°
RealFeel® 23°
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
Partly sunny

RealFeel Shade™23°

WindSW 10 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts12 mph

Humidity77%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

34°
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
Partly sunny

RealFeel Shade™25°

WindSW 10 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts12 mph

Humidity71%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

39°
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
Partly sunny

RealFeel Shade™31°

WindSW 10 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts13 mph

Humidity62%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

44°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™37°

WindSW 10 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts13 mph

Humidity55%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

48°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™42°

WindSW 10 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts12 mph

Humidity50%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

51°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™46°

WindSW 9 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts10 mph

Humidity46%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

53°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™49°

WindSSW 8 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts10 mph

Humidity43%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

56°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™52°

WindSSW 8 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts9 mph

Humidity40%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

53°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™52°

WindSSE 7 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts10 mph

Humidity43%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

51°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™49°

WindESE 6 mph

Max UV Index0.1 (Low)

Wind Gusts13 mph

Humidity47%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover47%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

49°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindESE 6 mph

Wind Gusts13 mph

Humidity49%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

46°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSE 6 mph

Wind Gusts13 mph

Humidity51%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

43°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSE 6 mph

Wind Gusts13 mph

Humidity53%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

40°
RealFeel® 38°
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 clear

WindSE 6 mph

Wind Gusts12 mph

Humidity58%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

39°
RealFeel® 37°
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 clear

WindSE 6 mph

Wind Gusts10 mph

Humidity58%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

38°
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
Mostly clear

WindSE 5 mph

Wind Gusts10 mph

Humidity60%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Previous

Further Ahead

Tuesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Record warmth to expand across central, eastern US this week

2 hours ago

Weather News

99% of Florida is in drought with almost no rain falling in February

2 days ago

Winter Weather

Storm train targets California with flooding rain and pass closures

2 hours ago

Winter Weather

Iguana population may be learning to adapt after recent cold snap

2 days ago

Travel

The ancient Roman city 10 times the size of Disneyland

3 days ago

 More Stories

Featured Stories

Weather News

What's behind South Carolina’s recent earthquakes

1 day ago

Weather News

Gray wolf tracked in Los Angeles County for first time

4 days ago

Recreation

Death Valley could have rare superbloom in 2026

2 days ago

Astronomy

A 'ring of fire' eclipse is coming Feb. 17

4 days ago

Recreation

Yosemite ‘Firefall’ returns soon, but weather will decide how it looks

3 days ago
World North America United States Montana Roundup

Weather Near Roundup:

  • Billings, MT
  • Cody, WY
  • Miles City, MT
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...