Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
The heat will persist across the West into next week. See how hot it will get. Chevron right

Roundup, MT

36°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Roundup

Montana

36°
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
Help
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

5 AM

35°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 42%
Chevron down
Partly cloudy w/ showers

WindSW 8 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity91%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover49%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

34°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 38%
Chevron down
Mostly clear

WindSW 9 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity92%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

33°
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 23%
Chevron down
Mostly clear

WindWSW 9 mph

Air QualityExcellent

Wind Gusts12 mph

Humidity89%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

37°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Partly sunny

RealFeel Shade™32°

WindSW 8 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts10 mph

Humidity81%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

42°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Sunny

RealFeel Shade™35°

WindWSW 10 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts13 mph

Humidity64%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

47°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Sunny

RealFeel Shade™39°

WindWSW 13 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts15 mph

Humidity48%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

51°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™43°

WindW 15 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts18 mph

Humidity33%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

55°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™47°

WindWNW 17 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts21 mph

Humidity24%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

57°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™50°

WindWNW 17 mph

Air QualityFair

Max UV Index4.5 (Moderate)

Wind Gusts21 mph

Humidity21%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

59°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™52°

WindWNW 17 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts23 mph

Humidity18%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover22%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

59°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™53°

WindWNW 15 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts25 mph

Humidity17%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

61°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™55°

WindNW 15 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts25 mph

Humidity16%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

60°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™55°

WindNW 15 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts23 mph

Humidity16%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

59°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™55°

WindNNW 14 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts18 mph

Humidity16%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover27%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

56°
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™50°

WindN 13 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts15 mph

Humidity19%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover39%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

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

WindNE 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity24%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

48°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity30%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

45°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity34%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

42°
RealFeel® 39°
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 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity38%

Indoor Humidity30% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Tuesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Record heat to expand east this weekend, resurges in the new week

58 minutes ago

Winter Weather

300 inches of snow: East beats West during upside-down winter

1 day ago

Winter Weather

Northeast, Midwest bracing for weather whiplash in spring's first days

53 minutes ago

Hurricane

Category 1 Tropical Cyclone Narelle strikes Australia

46 minutes ago

Weather Forecasts

Hawaii braces for second Kona storm in a week with renewed flooding

49 minutes ago

 More Stories

Featured Stories

Weather News

Leaves are coming out 3-4 weeks early in some places this spring

1 day ago

Climate

Monarch population rises in Mexico, but California numbers drop

1 day ago

Astronomy

Astronauts enter quarantine; NASA rolls moon rocket to launchpad

1 day ago

Recreation

Death Valley's superbloom, ancient lake are disappearing

1 day ago

Recreation

Top 10 National Parks of 2025 revealed

2 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

...

...

...