Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Biggest snowstorm in years to bury areas from Oklahoma to New York. See the latest snow forecast. Chevron right
Ice storm to cause severe damage, may cause widespread power outages. Get the forecast. Chevron right

Saint Mary, MT

6°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Saint Mary

Montana

6°
No results found.
Try searching for a city, zip code or point of interest.
Create Account Unlock extended daily forecasts and additional saved locations — all with your free account.
Let's Go Chevron right
Have an account already? Login
settings
Saint Mary, 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 WinterCast Hourly

Daily

Radar MinuteCast® Monthly Air Quality Health & Activities
Special Weather Statement

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

January 22 - February 20

Thu 1/22

11° /-5°
65%

WinterCast

A coating to an inch

Thu, 1/22, 4:00 PM - Fri, 1/23, 6:00 AM

Snow

Mostly cloudy and colder; a little accumulation of snow late this afternoon
alerts

Special Weather Statement

2:58 PM Thursday - 5:00 PM Thursday

RealFeel®10°

RealFeel Shade™10°

Max UV Index1.0 (Low)

WindENE 7 mph

Fri 1/23

16° /11°
6%
Cold with a blend of sun and clouds

RealFeel®10°

RealFeel Shade™10°

Max UV Index2.0 (Low)

WindNW 5 mph

Sat 1/24

20° /10°
65%

WinterCast

Little to no accumulation

Sat, 1/24, 4:00 PM - Sat, 1/24, 10:00 PM

Snow

Mostly cloudy and cold with a little snow at times, mainly later with little or no accumulation

RealFeel®16°

RealFeel Shade™16°

Max UV Index1.0 (Low)

WindNW 5 mph

Sun 1/25

26° /21°
2%
Mostly sunny; breezy in the afternoon

RealFeel®13°

RealFeel Shade™9°

Max UV Index2.0 (Low)

WindWSW 15 mph

Mon 1/26

30° /21°
8%
Intervals of clouds and sunshine

RealFeel®25°

RealFeel Shade™24°

Max UV Index2.0 (Low)

WindWSW 8 mph

Tue 1/27

32° /22°
25%
Mostly cloudy

RealFeel®24°

RealFeel Shade™24°

Max UV Index1.0 (Low)

WindWSW 9 mph

Wed 1/28

34° /18°
25%
Sun and areas of high clouds in the morning; mostly cloudy in the afternoon

RealFeel®28°

RealFeel Shade™28°

Max UV Index1.0 (Low)

WindWSW 7 mph

Thu 1/29

36° /29°
55%
Cloudy with a bit of snow

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindWSW 7 mph

Fri 1/30

40° /32°
8%
Low clouds

RealFeel®33°

RealFeel Shade™33°

Max UV Index0.0 (Low)

WindWSW 10 mph

Sat 1/31

48° /35°
1%
Cloudy

RealFeel®47°

RealFeel Shade™47°

Max UV Index1.0 (Low)

WindWSW 8 mph

Sun 2/1

45° /29°
1%
Clouds and sun

RealFeel®41°

RealFeel Shade™38°

Max UV Index2.0 (Low)

WindWSW 8 mph

Mon 2/2

39° /29°
55%
Cloudy with a little rain in the afternoon

RealFeel®34°

RealFeel Shade™34°

Max UV Index1.0 (Low)

WindWSW 8 mph

Tue 2/3

44° /32°
25%
Low clouds

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindWSW 9 mph

Wed 2/4

45° /25°
25%
Cloudy

RealFeel®41°

RealFeel Shade™41°

Max UV Index1.0 (Low)

WindWSW 8 mph

Thu 2/5

39° /23°
59%
Periods of snow, sleet, freezing rain and rain in the morning followed by snow, sleet and rain at times in the afternoon

RealFeel®26°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindWSW 15 mph

Fri 2/6

41° /23°
25%
Considerable cloudiness

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindWSW 9 mph

Sat 2/7

40° /22°
25%
Remaining cloudy

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindSW 8 mph

Sun 2/8

40° /22°
25%
Mostly cloudy

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindSW 7 mph

Mon 2/9

39° /21°
25%
Cloudy

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindWSW 8 mph

Tue 2/10

40° /22°
20%
Times of clouds and sun

RealFeel®36°

RealFeel Shade™34°

Max UV Index2.0 (Low)

WindSW 8 mph

Wed 2/11

41° /20°
25%
Mostly cloudy

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindSSW 5 mph

Thu 2/12

34° /6°
58%
Colder with periods of snow

RealFeel®26°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindNE 8 mph

Fri 2/13

23° /4°
55%
Colder with snow at times

RealFeel®14°

RealFeel Shade™14°

Max UV Index1.0 (Low)

WindNE 8 mph

Sat 2/14

19° /3°
55%
Cold with snow at times

RealFeel®21°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindENE 4 mph

Sun 2/15

20° /5°
55%
Cold with on-and-off snow

RealFeel®24°

RealFeel Shade™24°

Max UV Index1.0 (Low)

WindE 2 mph

Mon 2/16

24° /7°
59%
Intermittent snow

RealFeel®15°

RealFeel Shade™15°

Max UV Index1.0 (Low)

WindSSW 7 mph

Tue 2/17

39° /8°
75%
Cloudy and not as cold; a flurry in the morning followed by a mix of snow and rain in the afternoon

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindSW 15 mph

Wed 2/18

39° /7°
56%
Cloudy; a bit of morning snow followed by snow showers in the afternoon

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindSW 10 mph

Thu 2/19

28° /5°
55%
Cloudy with a bit of snow

RealFeel®30°

RealFeel Shade™30°

Max UV Index1.0 (Low)

WindN 2 mph

Fri 2/20

22° /4°
55%
Cold with periods of snow

RealFeel®26°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindNW 1 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Ice storm threatens Texas to Virginia with massive power outages

1 hour ago

Weather News

Salt Lake City rocked by magnitude 4.7 earthquake

6 hours ago

Winter Weather

Massive snowstorm to bury areas from Oklahoma City to NYC, Boston

1 hour ago

Winter Weather

Texas braces for major winter storm with cold not seen since 2021

3 hours ago

Winter Weather

Severe cold may lead to days of dangerous conditions

2 hours ago

More Stories

Featured Stories

Astronomy

Webb reveals stunning new lava-like details inside Helix Nebula

4 hours ago

Weather News

Deadly wildfires burned across southern Chile amid extreme heat and wi...

2 days ago

Astronomy

NASA astronaut Suni Williams retires months after return from troubled...

1 day ago

Weather News

Four shark attacks in two days. Why Australia’s beaches are dangerous

2 days ago

Travel

Second rail tragedy rocks Spain, as passenger train derails

1 day ago

World North America United States Montana Saint Mary

Weather Near Saint Mary:

  • 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

...

...

...