Helena, MT Weather Forecast
Local 7-day forecast
Mostly Sunny then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Helena, MT in one place.
Showers and thunderstorms likely after noon. Mostly sunny, with a high near 77. South wind 5 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
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: May 24, 2026 1:57 AM MDT.
The active forecast window currently covers May 26 to May 30, 2026 for Helena, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:57 AM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Helena
Tuesday looks like the warmest upcoming period in Helena at 77 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 12 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:57 AM 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 before midnight, then a chance of rain. Mostly cloudy, with a low around 50. West wind 6 to 9 mph, with gusts as high as 18 mph.
Rain likely before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 63. North northwest wind 5 to 9 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms before midnight, then a slight chance of rain. Mostly cloudy, with a low around 49.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 71.
A chance of showers and thunderstorms before midnight, then a slight chance of rain. Mostly cloudy, with a low around 51.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.
A chance of showers and thunderstorms before midnight, then a slight chance of rain. Mostly cloudy, with a low around 51.
A chance of rain before noon, then showers and thunderstorms likely. Partly sunny, with a high near 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Sunny then Showers And Thunderstorms Likely
|
77°F |
5 to 12 mph
S
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms Likely then Chance Light Rain
|
50°F |
6 to 9 mph
W
|
|
Wednesday
May 27
|
Light Rain Likely then Showers And Thunderstorms Likely
|
63°F |
5 to 9 mph
NNW
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms then Slight Chance Light Rain
|
49°F |
2 to 9 mph
NNW
|
|
Thursday
May 28
|
Partly Sunny then Chance Showers And Thunderstorms
|
71°F |
2 to 7 mph
N
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms then Slight Chance Light Rain
|
51°F |
1 to 9 mph
NW
|
|
Friday
May 29
|
Partly Sunny then Chance Showers And Thunderstorms
|
72°F |
2 to 7 mph
SSE
|
|
Friday Night
May 29
|
Chance Showers And Thunderstorms then Slight Chance Light Rain
|
51°F |
5 to 8 mph
SW
|
|
Saturday
May 30
|
Chance Light Rain then Showers And Thunderstorms Likely
|
67°F |
5 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Helena.
