Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Summer is around the corner. Here's what AccuWeather is calling for across the U.S. Chevron right
Polar vortex is linked to the next chill, frost coming to the eastern U.S. See the forecast. Chevron right

Sidney, MT

40°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Sidney

Montana

40°
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
Sidney, 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
Red Flag Warning

Today's Weather

Sun, May 3

Partly sunny and increasingly windy; gusty winds, low humidity and dry brush will result in an elevated wildfire risk Hi: 76°

Tonight: Partly cloudy and breezy Lo: 43°

Current Weather

7:07 AM

40°F
RealFeel® 33°
Partly sunny More Details
RealFeel Shade™ 30°
Wind SSW 13 mph
Wind Gusts 13 mph
Air Quality Excellent

Sidney Weather Radar

Sidney Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

8 AM 49°
rain drop 0%
9 AM 57°
rain drop 0%
10 AM 63°
rain drop 0%
11 AM 67°
rain drop 0%
12 PM 70°
rain drop 0%
1 PM 72°
rain drop 0%
2 PM 74°
rain drop 0%
3 PM 74°
rain drop 0%
4 PM 76°
rain drop 0%
5 PM 74°
rain drop 0%
6 PM 74°
rain drop 0%
7 PM 72°
rain drop 0%

10-Day Weather Forecast

Today

5/3

76° 43°

Increasingly windy

Night: Partly cloudy and breezy
1%

Mon

5/4

50° 30°

Partly sunny; windy, cooler

Colder with clearing
25%

Tue

5/5

49° 25°

Partly sunny and chilly

Partly cloudy and cold
6%

Wed

5/6

58° 29°

Partly sunny and cool

Partly cloudy and cold
5%

Thu

5/7

62° 36°

Partly sunny

Mainly clear
9%

Fri

5/8

69° 38°

Variable cloudiness

Clouds breaking
11%

Sat

5/9

69° 43°

Mostly sunny

Partly cloudy
3%

Sun

5/10

71° 41°

Some sun

Clear
8%

Mon

5/11

74° 44°

Thickening clouds

Cloudy with a shower
1%

Tue

5/12

80° 47°

Clouds and sun

Occasional rain late
0%

Sun & Moon

14 hrs 36 mins
Rise 5:36 AM
Set 8:12 PM
Waning Gibbous
Rise 11:02 PM
Set --

Air Quality

See More
Air Quality Excellent

The air quality is ideal for most individuals; enjoy your normal outdoor activities.

Allergy Outlook

See All
Tree Pollen High Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander Moderate Data is not supported in this location

Top Stories

Winter Weather

Polar vortex aftermath to bring chilly May days to Midwest, Northeast

3 hours ago

Weather News

5 killed in small plane crash in Texas, authorities say

1 day ago

Weather News

Camp Mystic halts plans to reopen this summer

2 days ago

Weather Forecasts

High-altitude storm to bring gusty thunderstorms to California

1 hour ago

Weather News

After weekend lull, dangerous storms to refire in central US starting ...

1 hour ago

 More Stories

Featured Stories

Astronomy

May's biggest astronomy events include shooting stars, rare Blue Moon

1 day ago

Recreation

Watch: Yellowstone hot spring erupts twice in 2 days

1 day ago

Severe Weather

First tornado in nearly 2 years confirmed in West Virginia

17 hours ago

Astronomy

SpaceX rocket debris is on a collision course with the moon

2 days ago

Severe Weather

Texas police rescue mom from surging floodwater using jumper cables

2 days ago
World North America United States Montana Sidney

Weather Near Sidney:

  • Bismarck, ND
  • Mandan, ND
  • Minot, ND
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

...

...

...