Boulder, MT Weather Forecast
Local 7-day forecast
Patchy Smoke then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Boulder, MT in one place.
Patchy smoke before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 83. East northeast wind 0 to 5 mph. Chance of precipitation is 60%.
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: Jul 20, 2026 6:56 PM MDT.
The active forecast window currently covers Jul 22 to Jul 26, 2026 for Boulder, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 22 to Jul 26, 2026
- Latest sync
- Jul 20, 2026 6:56 PM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Boulder
Saturday looks like the warmest upcoming period in Boulder at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Friday at about 3 to 15 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 20, 2026 6:56 PM MDT
- Coverage
- 6 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
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. West southwest wind around 3 mph. Chance of precipitation is 60%.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. West southwest wind 1 to 5 mph.
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 60. West southwest wind 2 to 6 mph.
Sunny, with a high near 88.
Mostly clear, with a low around 60.
Sunny, with a high near 89.
Mostly clear, with a low around 58.
Sunny, with a high near 88.
Mostly clear, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 22
|
Patchy Smoke then Showers And Thunderstorms Likely
|
83°F |
0 to 5 mph
ENE
|
|
Wednesday Night
Jul 22
|
Showers And Thunderstorms Likely
|
60°F |
3 mph
WSW
|
|
Thursday
Jul 23
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
84°F |
1 to 5 mph
WSW
|
|
Thursday Night
Jul 23
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
60°F |
2 to 6 mph
WSW
|
|
Friday
Jul 24
|
Sunny
|
88°F |
3 to 15 mph
SW
|
|
Friday Night
Jul 24
|
Mostly Clear
|
60°F |
3 to 12 mph
W
|
|
Saturday
Jul 25
|
Sunny
|
89°F |
2 to 15 mph
WSW
|
|
Saturday Night
Jul 25
|
Mostly Clear
|
58°F |
3 to 13 mph
W
|
|
Sunday
Jul 26
|
Sunny
|
88°F |
2 to 8 mph
WSW
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
59°F |
2 to 8 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Boulder.