Weather forecast for tomorrowHeart Butte, MT
Weather forecast for tomorrow
Monday Oct 19, 2026
- 63°F
- 34°F
AM Clouds / PM Sun
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSW 211°
- Humidity: 51%
- UV index: 2
- Sunrise: 7:57 am MDT
- Sunset: 6:34 pm MDT
- details ▼
On Monday, in Heart Butte, early clouds will give way to sunshine in the afternoon.
A substantial temperature range, peaking at a breezy 62.6°F and bottoming out at a cold 33.8°F, is anticipated.
The predicted high will feel warmer, consistent with September's climate average of 67.6°F.
Sunrise will be at 7:57 am and sunset at 6:34 pm; tomorrow's daylight will last for 10h and 37min.
A substantial temperature range, peaking at a breezy 62.6°F and bottoming out at a cold 33.8°F, is anticipated.
The predicted high will feel warmer, consistent with September's climate average of 67.6°F.
Sunrise will be at 7:57 am and sunset at 6:34 pm; tomorrow's daylight will last for 10h and 37min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 61°C.
Coldest period: 3 am - 6 am 36°C.
Coldest period: 3 am - 6 am 36°C.
Chance of precipitation
Highest chance: 12 am - 6 am 4%.
Hourly weather forecast
- 12 am
- 37°F
- Feels like:34°F
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSW 225°
- Humidity: 68%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 36°F
- Feels like:32°F
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphWSW 252°
- Humidity: 72%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 36°F
- Feels like:30°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphWSW 250°
- Humidity: 75%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:32°F
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphWSW 247°
- Humidity: 75%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:57 am
- 8 am
- 36°F
- Feels like:34°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphWSW 251°
- Humidity: 73%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:45°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphWSW 237°
- Humidity: 61%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 12 pm
- 54°F
- Feels like:54°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSSW 206°
- Humidity: 48%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 2 pm
- 59°F
- Feels like:59°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSE 163°
- Humidity: 40%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 61°F
- Feels like:61°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 189°
- Humidity: 36%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSSW 198°
- Humidity: 45%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:34 pm
- 8 pm
- 50°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphWSW 251°
- Humidity: 51%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphW 272°
- Humidity: 55%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily cloudy and occasionally sun-filled weather is forecasted.
The temperature will be between a minimum of 33.8°F and a maximum of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more close to September's average high than the expected maximum for October. The night temperature will be alike with the standard October low of 36.1°F.
The temperature will be between a minimum of 33.8°F and a maximum of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more close to September's average high than the expected maximum for October. The night temperature will be alike with the standard October low of 36.1°F.
Updated: Oct 18, 2026 @ 16:10:07 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Monday, low clouds in the morning are expected to clear, bringing a bright afternoon.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 33.8°F.
The maximum temperature will be noticeably higher than the average highest temperature of 51.4°F in October. The lowest temperature will be in line with the average low of 36.1°F.
The maximum temperature will be noticeably higher than the average highest temperature of 51.4°F in October. The lowest temperature will be in line with the average low of 36.1°F.
On Monday, in Heart Butte, sunrise will be at 7:57 am and sunset at 6:34 pm (MDT).
In Heart Butte, tomorrow, there will be 10h and 37min of daylight.
