Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Flood-weary Texas finally drying out, but near 100-degree heat looms Chevron right
Tropical rainstorm soaks Florida, could strengthen in Gulf before targeting Louisiana Chevron right

Roundup, MT

65°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Roundup

Montana

65°
No results found.
Try searching for a city, zip code or point of interest.
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

1 AM

64°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 36%
Chevron down
Clear

WindN 16 mph

Air QualityFair

Wind Gusts28 mph

Humidity76%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

63°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindN 16 mph

Air QualityFair

Wind Gusts32 mph

Humidity80%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

61°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindN 17 mph

Air QualityFair

Wind Gusts38 mph

Humidity83%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

60°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Partly cloudy

WindN 16 mph

Air QualityFair

Wind Gusts36 mph

Humidity86%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

59°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

WindNNE 14 mph

Air QualityFair

Wind Gusts33 mph

Humidity89%

Indoor Humidity64% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover72%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

58°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™52°

WindNNE 13 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts31 mph

Humidity92%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

56°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™52°

WindNNE 13 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts30 mph

Humidity95%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

55°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™49°

WindNNE 15 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts29 mph

Humidity98%

Indoor Humidity62% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling6700 ft

9 AM

56°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 61%
Chevron down
Rain

RealFeel Shade™48°

WindNNE 15 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts29 mph

Humidity95%

Indoor Humidity62% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility6 mi

Cloud Ceiling6700 ft

10 AM

57°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 61%
Chevron down
Rain

RealFeel Shade™48°

WindNNE 15 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts29 mph

Humidity92%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility6 mi

Cloud Ceiling4000 ft

11 AM

57°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 58%
Chevron down
Rain

RealFeel Shade™49°

WindNNE 16 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts29 mph

Humidity89%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility6 mi

Cloud Ceiling6700 ft

12 PM

58°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™51°

WindNNE 16 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts30 mph

Humidity86%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling6700 ft

1 PM

58°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 58%
Chevron down
Rain

RealFeel Shade™50°

WindNNE 16 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts30 mph

Humidity84%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility6 mi

Cloud Ceiling6700 ft

2 PM

60°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 60%
Chevron down
Rain

RealFeel Shade™52°

WindNNE 15 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts29 mph

Humidity80%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility6 mi

Cloud Ceiling6700 ft

3 PM

59°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 60%
Chevron down
Rain

RealFeel Shade™50°

WindNNE 16 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts30 mph

Humidity83%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility6 mi

Cloud Ceiling4000 ft

4 PM

58°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 60%
Chevron down
Rain

RealFeel Shade™50°

WindNNE 16 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts30 mph

Humidity83%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility6 mi

Cloud Ceiling6600 ft

5 PM

58°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 43%
Chevron down
Cloudy

RealFeel Shade™52°

WindNNE 16 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts30 mph

Humidity84%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling6600 ft

6 PM

57°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 51%
Chevron down
Rain

RealFeel Shade™49°

WindNNE 16 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts29 mph

Humidity84%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility6 mi

Cloud Ceiling6600 ft

7 PM

56°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™50°

WindNNE 15 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts29 mph

Humidity85%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling6600 ft

8 PM

56°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™49°

WindNNE 15 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts28 mph

Humidity86%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling4000 ft

9 PM

55°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™48°

WindNNE 14 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts27 mph

Humidity89%

Indoor Humidity55% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling4000 ft

10 PM

54°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 63%
Chevron down
Showers

WindNE 14 mph

Air QualityFair

Wind Gusts25 mph

Humidity91%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.09 in

Visibility5 mi

Cloud Ceiling4000 ft

11 PM

53°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 69%
Chevron down
Showers

WindNE 13 mph

Air QualityFair

Wind Gusts24 mph

Humidity93%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.17 in

Visibility4 mi

Cloud Ceiling2000 ft

Further Ahead

Tomorrow

Thursday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Flood-weary Texas finally drying out, but near 100-degree heat looms

10 hours ago

Weather News

Thunderstorms bring more flooding, evacuations to central Texas

11 hours ago

Hurricane

Tropical Rainstorm to drench Florida, Gulf Coast

6 hours ago

Weather News

Grand Canyon fires force closures

11 hours ago

Severe Weather

Wildfire smoke may follow storms, severe weather in eastern US

10 hours ago

More Stories

Featured Stories

Astronomy

Noctilucent clouds shimmer in summer sky

11 hours ago

Recreation

Yellowstone’s landscape shifts again with discovery of new hot pool

13 hours ago

Weather News

Orcas are bringing humans gifts of food – but why?

3 days ago

Weather News

Giant shoes found spark mystery around the soldiers of ancient Rome

11 hours ago

Weather News

It’s not just humans – chimpanzees also like to follow trends

12 hours 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 RealFeel® and RealFeel Shade™ 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 RealFeel® and RealFeel Shade™ 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
© 2025 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

...

...

...