Weather forecast for todaySweet Grass, MT

Weather forecast for today

Current condition 5:15 pm MST

  • 45°F
  • Feels like:
    37°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 17mphWSW 240°
  • Humidity: 55%
  • Dewpoint: 28°F
  • Pressure: 30.01"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, in Sweet Grass, a steady high-pressure system keeps the weather fair and dry.
The temperature is a brisk 44.6°F, and the apparent temperature of due to the wind comes in at assessed at an icy 37.4°F. The current temperature is still relatively far from the predicted minimum of 32°F.

Thursday Nov 5, 2026

  • min.
  • 32°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphWSW 249°
  • Humidity: 65%
  • UV index: 0
  • Sunrise: 7:22 am MST
  • Sunset: 5:00 pm MST
  • ▼
In Sweet Grass, for the rest of Thursday, a stunningly clear sky is on the horizon.
The lowest forecasted temperature is an icy 32°F.
Sunrise was at 7:22 am and sunset at 5:00 pm; the daylight lasted for 9h and 39min.

Hourly overview

Hourly temperatures

Warmest hour: 7 pm 43°C.
Coldest period: 1 am - 2 am 34°C.

Chance of precipitation

Highest chance: 9 pm - 2 am 1%.

Hourly weather forecast

  • 7 pm
  • 43°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphWSW 253°
  • Humidity: 58%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 39°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphWSW 254°
  • Humidity: 60%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 39°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphWSW 257°
  • Humidity: 64%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 37°F
  • Feels like:
    28°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphWSW 257°
  • Humidity: 68%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 36°F
  • Feels like:
    27°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphWSW 256°
  • Humidity: 67%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 36°F
  • Feels like:
    27°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphWSW 254°
  • Humidity: 67%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 34°F
  • Feels like:
    25°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphWSW 252°
  • Humidity: 67%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 34°F
  • Feels like:
    25°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphWSW 248°
  • Humidity: 68%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 3 am
  • 34°F
  • Feels like:
    25°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphWSW 244°
  • Humidity: 68%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
During the evening and overnight hours, the weather will be unstable. The temperature will be between the highest temperature of 42.8°F and the lowest temperature of 35.6°F. The feels-like temperature will be between a maximum of 33.8°F and a minimum of 26.6°F.
Updated: Nov 6, 2026 @ 00:15:57 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 5:15 pm MST, the temperature is 44.6°F. Feels-like temperature is 37.4°F.

On Thursday, skies will be completely cloud-free.

On Thursday, in Sweet Grass, sunrise was at 7:22 am and sunset at 5:00 pm (MST).

Today, the daylight lasted for 9h and 39min.