Helena, MT Weather Forecast
Local 7-day forecast
Partly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Helena, MT in one place.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. North northwest wind 1 to 8 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Helena, 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 11, 2026 10:27 PM MDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Helena, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 11, 2026 10:27 PM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Helena
Saturday looks like the warmest upcoming period in Helena at 89 degrees F.
Thursday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Tuesday at about 1 to 8 mph NNW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 11, 2026 10:27 PM MDT
- Coverage
- 5 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 64. West northwest wind 2 to 8 mph.
A chance of rain showers before noon, then showers and thunderstorms likely. Partly sunny, with a high near 83. North wind 1 to 6 mph.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.
Sunny, with a high near 86.
A slight chance of rain showers before midnight. Partly cloudy, with a low around 61.
Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Partly Sunny then Chance Showers And Thunderstorms
|
87°F |
1 to 8 mph
NNW
|
|
Tuesday Night
Jul 14
|
Showers And Thunderstorms Likely
|
64°F |
2 to 8 mph
WNW
|
|
Wednesday
Jul 15
|
Showers And Thunderstorms Likely
|
83°F |
1 to 6 mph
N
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms then Partly Cloudy
|
62°F |
5 mph
NW
|
|
Thursday
Jul 16
|
Mostly Sunny then Chance Showers And Thunderstorms
|
87°F |
1 to 7 mph
ESE
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Partly Cloudy
|
61°F |
6 mph
W
|
|
Friday
Jul 17
|
Sunny
|
86°F |
2 to 7 mph
WNW
|
|
Friday Night
Jul 17
|
Slight Chance Rain Showers then Partly Cloudy
|
61°F |
2 to 7 mph
WNW
|
|
Saturday
Jul 18
|
Sunny
|
89°F |
2 to 7 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Helena.