Boulder, MT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Boulder, MT in one place.
Mostly sunny, with a high near 53. West southwest wind 7 to 18 mph, with gusts as high as 28 mph.
Local Weather Overview
This forecast page for Boulder, MT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 14, 2026 9:40 AM MDT.
The active forecast window currently covers Apr 14 to Apr 20, 2026 for Boulder, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 14 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 9:40 AM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Boulder
Monday looks like the warmest upcoming period in Boulder at 61 degrees F.
Thursday Night is the coolest period ahead with temperatures near 21 degrees F.
The strongest winds are forecast for Today at about 7 to 18 mph WSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 9:40 AM MDT
- Coverage
- 8 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KTFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 36. Southwest wind 8 to 17 mph, with gusts as high as 26 mph.
A slight chance of snow before 7am, then a chance of rain. Mostly cloudy, with a high near 52. Southwest wind 8 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Showers and thunderstorms before 9pm, then snow. Mostly cloudy, with a low around 25. West southwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Snow. Cloudy, with a high near 33. Northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
A chance of snow. Mostly cloudy, with a low around 21. Northwest wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
Snow likely. Partly sunny, with a high near 39. West northwest wind 5 to 12 mph, with gusts as high as 22 mph. New snow accumulation of less than half an inch possible.
A slight chance of snow before midnight. Partly cloudy, with a low around 24. West northwest wind 3 to 12 mph, with gusts as high as 21 mph.
Sunny, with a high near 49.
Partly cloudy, with a low around 31.
Mostly sunny, with a high near 58.
Partly cloudy, with a low around 38.
A chance of rain after noon. Mostly sunny, with a high near 61.
A chance of rain before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 14
|
Mostly Sunny
|
53°F |
7 to 18 mph
WSW
|
|
Tonight
Apr 14
|
Mostly Cloudy
|
36°F |
8 to 17 mph
SW
|
|
Wednesday
Apr 15
|
Slight Chance Light Snow then Chance Light Rain
|
52°F |
8 to 18 mph
SW
|
|
Wednesday Night
Apr 15
|
Light Snow
|
25°F |
9 to 16 mph
WSW
|
|
Thursday
Apr 16
|
Light Snow
|
33°F |
7 to 13 mph
NW
|
|
Thursday Night
Apr 16
|
Chance Light Snow
|
21°F |
5 to 14 mph
NW
|
|
Friday
Apr 17
|
Light Snow Likely
|
39°F |
5 to 12 mph
WNW
|
|
Friday Night
Apr 17
|
Slight Chance Light Snow then Partly Cloudy
|
24°F |
3 to 12 mph
WNW
|
|
Saturday
Apr 18
|
Sunny
|
49°F |
3 to 9 mph
WSW
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
31°F |
5 to 9 mph
SW
|
|
Sunday
Apr 19
|
Mostly Sunny
|
58°F |
5 to 12 mph
SSW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
38°F |
5 to 10 mph
SSW
|
|
Monday
Apr 20
|
Mostly Sunny then Chance Light Rain
|
61°F |
5 to 15 mph
SSW
|
|
Monday Night
Apr 20
|
Chance Rain And Snow
|
38°F |
6 to 14 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Boulder.