Weather forecast for 10 days
Big Sky, MT

Weather forecast for the weekend

Sunday, May 4.

Scattered Thunderstorms
6:06 am

8:37 pm
MDT
Scattered Thunderstorms
64°F / 34°F
  • Wind: 9mph NE
  • Humidity: 45%
  • Precip. probability: 58%
  • Precipitation: 0.12"
  • UV index: 6
Today, on Sunday, May 4, scattered thunderstorms are forecasted, bringing possible lightning and brief downpours.
Minimal precipitation is predicted. A substantial temperature range, peaking at a comfortable 64.4°F and bottoming out at an icy 33.8°F, is expected.
The forecast high of 64.4°F is more in line with June's average of 64°F than May's 52°F.
Sunrise was at 6:06 am and sunset will be at 8:37 pm; the daylight will last for 14h and 30min.

Frequently asked questions

What is the weather forecast for Big Sky for the next ten days?
In Big Sky, weather will be unstable, and a combination of cloud-filled, clear, unstable and snowy weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rain is expected on Sunday and next Monday in Big Sky. Monday, with moderate precipitation of 0.47", will be the day with the most rainfall.
Will it snow in the next ten days?
Snow is expected only on Monday. With a probability of 65%, substantial precipitation of 0.47" is expected.
How warm will it be in the next ten days?
The maximum temperature will vary between 39.2°F and 71.6°F, as the minimum temperature will range between 28.4°F and 42.8°F.
What will be the warmest and the coldest days?
With a maximum temperature of 71.6°F, Saturday and next Sunday will be the warmest days. The coldest day will be tomorrow, with a maximum of 39.2°F.

Long-term weather forecast

SunMay 4.
  • 64°F
  • 34°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph NE
  • Humidity: 45%
  • UV index: 6
  • Precip. probability: 58%
  • Precipitation: 0.12"
  • 6:06 am 8:37 pm MDT
MonMay 5.
  • 39°F
  • 28°F
Snow
Snow
  • Wind: 13mph N
  • Humidity: 76%
  • UV index: 2
  • Precip. probability: 65%
  • Precipitation: 0.47"
  • 6:05 am 8:38 pm MDT
TueMay 6.
  • 52°F
  • 32°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 7mph NE
  • Humidity: 61%
  • UV index: 6
  • Precip. probability: 11%
  • Precipitation: 0"
  • 6:04 am 8:39 pm MDT
WedMay 7.
  • 63°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph SSW
  • Humidity: 51%
  • UV index: 7
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:02 am 8:40 pm MDT
ThuMay 8.
  • 66°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph SW
  • Humidity: 45%
  • UV index: 7
  • Precip. probability: 23%
  • Precipitation: 0"
  • 6:01 am 8:41 pm MDT
FriMay 9.
  • 68°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph SW
  • Humidity: 40%
  • UV index: 7
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:00 am 8:43 pm MDT
SatMay 10.
  • 72°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph SSW
  • Humidity: 36%
  • UV index: 7
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:58 am 8:44 pm MDT
SunMay 11.
  • 72°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Humidity: 33%
  • UV index: 7
  • Precip. probability: 10%
  • Precipitation: 0"
  • 5:57 am 8:45 pm MDT
MonMay 12.
  • 64°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 43%
  • UV index: 6
  • Precip. probability: 18%
  • Precipitation: 0.08"
  • 5:56 am 8:46 pm MDT
TueMay 13.
  • 57°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph SW
  • Humidity: 49%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:55 am 8:48 pm MDT
Weather fluctuations are likely over the next ten days, and a mix of cloudy, sunny, unstable and snow-filled weather is expected.
Rain is forecasted for Sunday and next Monday.
With a probability of 65%, snowfall is expected only on Monday. Anticipated precipitation will be substantial at 0.47".
The temperature will vary considerably across the forecast period. Highs will range from 39.2°F to 71.6°F, while the nightly low temperatures will show also a considerable swing, as the overnight lows will vary from 28.4°F to 42.8°F.
Saturday and next Sunday, with the highest temperature of 71.6°F, will be the warmest days in Big Sky; with the highest temperature of 39.2°F, Monday will be the coldest day.
Updated: May 4, 2025 @ 20:26:24 UTC
Published by: Weather U.S. | About Us
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