Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
A May heat wave will complete the spring weather whiplash in the East. Click for details. Chevron right
Severe thunderstorms, some with tornadoes will prowl the Central states. Click to see where, when. Chevron right

Sidney, MT

47°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Sidney

Montana

47°
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

Today's Weather

Sun, May 17

A morning shower in the area; otherwise, cloudy and cooler, becoming breezy this afternoon Hi: 55°

Tonight: Cloudy with a shower in the area Lo: 38°

Current Weather

8:35 AM

47°F
RealFeel® 42°
Mostly cloudy More Details
RealFeel Shade™ 40°
Wind E 9 mph
Wind Gusts 16 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

9 AM 48°
rain drop 40%
10 AM 50°
rain drop 37%
11 AM 52°
rain drop 29%
12 PM 53°
rain drop 29%
1 PM 55°
rain drop 26%
2 PM 54°
rain drop 20%
3 PM 53°
rain drop 20%
4 PM 52°
rain drop 20%
5 PM 52°
rain drop 20%
6 PM 51°
rain drop 20%
7 PM 51°
rain drop 25%
8 PM 49°
rain drop 47%

10-Day Weather Forecast

Today

5/17

55° 38°

An a.m. shower, then breezy

Night: Cloudy with a shower
40%

Mon

5/18

46° 34°

Rain and drizzle in the p.m.

Cold; rain and drizzle early
65%

Tue

5/19

58° 38°

Cloudy and remaining cool

Clear
2%

Wed

5/20

71° 44°

Warmer with a shower or two

A few late-night showers
80%

Thu

5/21

68° 46°

Nice with clouds and sun

Mostly cloudy
25%

Fri

5/22

71° 48°

Afternoon showers

Clear to partly cloudy
71%

Sat

5/23

72° 44°

Periods of sun

Becoming partly cloudy
12%

Sun

5/24

76° 46°

Partly sunny

Clear
25%

Mon

5/25

84° 51°

Times of clouds and sun

A thunderstorm around early
25%

Tue

5/26

81° 48°

Mostly sunny

Partly cloudy
0%

Sun & Moon

15 hrs 13 mins
Rise 5:17 AM
Set 8:30 PM
Waxing Crescent
Rise 5:17 AM
Set 10:32 PM

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

Climate

Super El Niño could strain food and water supplies around the world

2 days ago

Severe Weather

High-risk severe weather setup to focus on Plains, Midwest into Monday

2 hours ago

Weather Forecasts

Heat wave to complete spring weather whiplash, worsen drought in East

4 hours ago

Severe Weather

Deadly storms, flooding rain kill at least 96 in India

1 day ago

Winter Weather

Winter to return to Colorado, Wyoming with more May mountain snow

4 hours ago

 More Stories

Featured Stories

Hurricane

El Nino to fuel Pacific hurricane season, raise risks for California

2 days ago

Health

Wet spring, more mice? The weather link behind rare hantavirus risk

2 days ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

2 days ago

Weather News

Here's how New York residents can get free A/C this summer

3 days ago

Recreation

Brain-eating amoeba found in hot springs at 3 National Parks: study

4 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

...

...

...