East Helena, MT Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for East Helena, MT in one place.
A chance of rain showers before noon, then showers and thunderstorms. Mostly cloudy, with a high near 75. South southwest wind 2 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Local Weather Overview
This forecast page for East 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: Aug 27, 2026 11:57 AM MDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for East Helena, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 11:57 AM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in East Helena
Tuesday looks like the warmest upcoming period in East Helena at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Sunday at about 5 to 15 mph WSW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 11:57 AM 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. Cloudy, with a low around 50. West southwest wind around 7 mph. Chance of precipitation is 90%.
A chance of rain showers. Partly sunny, with a high near 69. West southwest wind 5 to 15 mph, with gusts as high as 28 mph.
Partly cloudy, with a low around 43. West southwest wind 5 to 14 mph, with gusts as high as 26 mph.
Sunny, with a high near 75.
Mostly clear, with a low around 48.
A slight chance of rain showers after noon. Mostly sunny, with a high near 78.
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
A slight chance of rain showers before midnight. Mostly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Showers And Thunderstorms
|
75°F |
2 to 8 mph
SSW
|
|
Saturday Night
Aug 29
|
Showers And Thunderstorms
|
50°F |
7 mph
WSW
|
|
Sunday
Aug 30
|
Chance Rain Showers
|
69°F |
5 to 15 mph
WSW
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
43°F |
5 to 14 mph
WSW
|
|
Monday
Aug 31
|
Sunny
|
75°F |
2 to 8 mph
SSE
|
|
Monday Night
Aug 31
|
Mostly Clear
|
48°F |
3 to 7 mph
S
|
|
Tuesday
Sep 1
|
Mostly Sunny then Slight Chance Rain Showers
|
78°F |
3 to 8 mph
SW
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
50°F |
7 mph
SW
|
|
Wednesday
Sep 2
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
76°F |
3 to 10 mph
SW
|
|
Wednesday Night
Sep 2
|
Slight Chance Rain Showers then Mostly Cloudy
|
49°F |
5 to 10 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around East Helena.