Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe storms with damaging winds to focus on central, eastern US. Click for the forecast. Chevron right

Grass Range, MT

46°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grass Range

Montana

46°
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
Grass Range, MT Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

4 AM

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

WindWSW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity62%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover59%

Visibility10 mi

Cloud Ceiling33500 ft

5 AM

45°
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 cloudy

WindWSW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity63%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

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

RealFeel Shade™40°

WindW 9 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts10 mph

Humidity62%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

46°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 3%
Chevron down
Mostly cloudy

RealFeel Shade™41°

WindW 9 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts10 mph

Humidity63%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling26200 ft

8 AM

48°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 19%
Chevron down
Intermittent clouds

RealFeel Shade™41°

WindW 12 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts14 mph

Humidity58%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling17100 ft

9 AM

54°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 19%
Chevron down
Intermittent clouds

RealFeel Shade™48°

WindWNW 13 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts15 mph

Humidity50%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling15600 ft

10 AM

57°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 24%
Chevron down
Intermittent clouds

RealFeel Shade™51°

WindWNW 13 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts15 mph

Humidity47%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling13000 ft

11 AM

57°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 55%
Chevron down
Mostly cloudy w/ showers

RealFeel Shade™50°

WindWNW 13 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts15 mph

Humidity47%

Indoor Humidity32% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.02 in

Visibility6 mi

Cloud Ceiling7000 ft

12 PM

59°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™54°

WindWNW 12 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts14 mph

Humidity46%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7800 ft

1 PM

58°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 55%
Chevron down
Mostly cloudy w/ showers

RealFeel Shade™51°

WindWNW 12 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts16 mph

Humidity49%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.02 in

Visibility6 mi

Cloud Ceiling7000 ft

2 PM

57°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ showers

RealFeel Shade™50°

WindNW 13 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts16 mph

Humidity53%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.02 in

Visibility6 mi

Cloud Ceiling7000 ft

3 PM

57°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™51°

WindNW 12 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts16 mph

Humidity57%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7800 ft

4 PM

55°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™50°

WindNW 12 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts17 mph

Humidity59%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7400 ft

5 PM

54°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ showers

RealFeel Shade™47°

WindNNW 12 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts17 mph

Humidity60%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.02 in

Visibility6 mi

Cloud Ceiling7000 ft

6 PM

54°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™48°

WindNNW 10 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts17 mph

Humidity60%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling6600 ft

7 PM

52°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 43%
Chevron down
Intermittent clouds

RealFeel Shade™48°

WindNNW 9 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts15 mph

Humidity64%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling6600 ft

8 PM

49°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™45°

WindNW 8 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts12 mph

Humidity70%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling6600 ft

9 PM

48°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 51%
Chevron down
Showers

WindWNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity73%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.02 in

Visibility6 mi

Cloud Ceiling6500 ft

10 PM

45°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindWNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity81%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling6400 ft

11 PM

44°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 48%
Chevron down
Cloudy

WindWNW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity86%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling6300 ft

Hourly Weather Forecast for Grass Range

AccuWeather's hourly forecast for Grass Range provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 45° with a RealFeel® of 40°, intermittent clouds with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Friday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms with damaging winds to focus on central, eastern US

43 minutes ago

Weather Forecasts

Northeast temps to crash 25° to 50°F ahead of Memorial Day weekend

22 minutes ago

Storm chaser captures towering tornado developing in central Nebraska

1 day ago 0:30

Weather News

Man rescued from Santa Rosa Island; SOS written on charred landscape

14 hours ago

Weather Forecasts

Memorial Day weekend: Downpours, storms from Texas to New England

13 minutes ago

 More Stories

Featured Stories

Astronomy

SpaceX poised for first Starship flight test of 2026 following delays

19 hours ago

Weather News

California gray wolf is spotted in Sequoia, marking historic return

15 hours ago

Weather News

India scorched by heat wave, power demand driven to new record

17 hours ago

Severe Weather

10 types of tornadoes that occur in the US

1 day ago

Health

American infected with Ebola in DRC

17 hours ago
World North America United States Montana Grass Range

Weather Near Grass Range:

  • Great Falls, MT
  • Havre, MT
  • Lewistown, 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

...

...

...