Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
As a new heat dome builds, western U.S. wildfires will increase. More information here. Chevron right
The risk of flash flooding has shifted to coastal areas of the southeastern U.S. Click for details. Chevron right

Grass Valley, MT

75°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grass Valley

Montana

75°
No results found.
Try searching for a city, zip code or point of interest.
settings
Grass Valley, 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

4 PM

78°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™75°

WindNW 9 mph

Air QualityFair

Max UV Index4 (Moderate)

Wind Gusts15 mph

Humidity44%

Indoor Humidity44% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

79°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™76°

WindNW 10 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts17 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

81°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™78°

WindWNW 9 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts15 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover33%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

79°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 13%
Chevron down
Mostly sunny

RealFeel Shade™76°

WindWNW 8 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts13 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™73°

WindNW 8 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts17 mph

Humidity46%

Indoor Humidity46% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover33%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

72°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™70°

WindWNW 7 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts15 mph

Humidity51%

Indoor Humidity51% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

69°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindWNW 6 mph

Air QualityFair

Wind Gusts14 mph

Humidity57%

Indoor Humidity57% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 5 mph

Air QualityFair

Wind Gusts13 mph

Humidity62%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Monday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Northeast's weather fate for upcoming week depends on dry air wedge

6 hours ago

Severe Weather

Torrential rain, deadly flash flooding slam I-95 corridor

3 hours ago

Severe Weather

Torrential downpours to pose dangerous flash flood risk in Southeast

2 hours ago

Astronomy

3 big astronomy events packed into 1 week in August sky

1 day ago

Weather Forecasts

Building western US heat dome may set records, cause fires to surge

3 hours ago

 More Stories

Featured Stories

Weather News

Weather sparks firefly mania, but will it last?

1 day ago
Live Blog

Clearing the air: Heat index of 182 degrees in Iran likely false

LATEST ENTRY

Heat index challenges world record, but is it real?

1 day ago

Travel

US Navy F-35 crashes in California, pilot ejects safely

2 days ago

Severe Weather

How to tell how far away lightning is by counting

2 days ago

Travel

Flights at UK airports hit by major technical issue

2 days ago
World North America United States Montana Grass Valley

Weather Near Grass Valley:

  • Evergreen, MT
  • Kalispell, MT
  • Missoula, 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

...

...

...