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Now · 11:22 AM

Helena Valley West Central Weather & Hourly Forecast

United States · Montana · 59602

Mostly cloudy
67°F
Mostly cloudy
Feels like: 65°F
💧 Humidity 47% 🌡 Pressure 29.77 inHg 💨 Wind 14 mph 👁 Visibility 6.2 mi Clouds 70% ☀️ UV index 3.7 · Moderate 🌅 Sunrise 6:50 AM 🌇 Sunset 8:04 PM

Hourly Forecast for Helena Valley West Central

Today
Mostly cloudy · 12:00 PM Mostly cloudy
67° 💧 None 💨 14 mph H 47%29.77 inHg
Mostly cloudy · 3:00 PM Mostly cloudy
75° 💧 None 💨 17 mph H 30%29.68 inHg
Mostly cloudy · 6:00 PM Mostly cloudy
74° 💧 None 💨 16 mph H 20%29.62 inHg
Mostly cloudy night · 9:00 PM Mostly cloudy night
62° 💧 None 💨 4 mph H 42%29.71 inHg
Tomorrow
Mostly cloudy night · 12:00 AM Mostly cloudy night
62° 💧 None 💨 4 mph H 42%29.71 inHg
Overcast night · 3:00 AM Overcast night
53° 💧 None 💨 5 mph H 51%29.71 inHg
Mostly cloudy night · 6:00 AM Mostly cloudy night
48° 💧 None 💨 4 mph H 59%29.71 inHg
Partly cloudy · 9:00 AM Partly cloudy
54° 💧 None 💨 4 mph H 39%29.74 inHg
Mostly sunny · 12:00 PM Mostly sunny
66° 💧 None 💨 6 mph H 25%29.71 inHg
Mostly cloudy · 3:00 PM Mostly cloudy
76° 💧 None 💨 12 mph H 24%29.71 inHg
Mostly cloudy · 6:00 PM Mostly cloudy
70° 💧 None 💨 9 mph H 24%29.71 inHg
Overcast night · 9:00 PM Overcast night
60° 💧 None 💨 5 mph H 40%29.83 inHg
Saturday
Mostly cloudy night · 12:00 AM Mostly cloudy night
55° 💧 None 💨 6 mph H 63%29.91 inHg
Clear night · 3:00 AM Clear night
50° 💧 None 💨 5 mph H 75%29.97 inHg
Mostly clear night · 6:00 AM Mostly clear night
49° 💧 None 💨 5 mph H 78%30.00 inHg
Sunny · 9:00 AM Sunny
57° 💧 None 💨 4 mph H 59%30.00 inHg

In Helena Valley West Central and, more broadly, across the state of Montana: The rest of the day will see mostly cloudy skies with mild temperatures ranging from 53 to 67 degrees Fahrenheit. Winds will be moderate, coming from the southwest at speeds up to 14 mph, with gusts reaching as high as 20 mph. No precipitation is expected, so conditions will remain dry throughout the afternoon. Overall, it will be a mild and breezy day with mostly cloudy weather, but no significant weather events are anticipated.

15-Day Weather Outlook for Helena Valley West Central

TomorrowTomorrow Mostly sunny Mostly sunny 76°/47° 💧 None 💨 12 mph
Saturday, Sep 5Sat Sep 5 Light rain Light rain 76°/47° 💧 0.00 in 💨 14 mph
Sunday, Sep 6Sun Sep 6 Light rain Light rain 79°/47° 💧 0.02 in 💨 20 mph
Monday, Sep 7Mon Sep 7 Moderate rain Moderate rain 73°/55° 💧 0.46 in 💨 14 mph
Tuesday, Sep 8Tue Sep 8 Sunny Sunny 75°/46° 💧 None 💨 11 mph
Wednesday, Sep 9Wed Sep 9 Partly cloudy Partly cloudy 77°/51° 💧 None 💨 5 mph
Thursday, Sep 10Thu Sep 10 Overcast Overcast 83°/58° 💧 None 💨 4 mph
Friday, Sep 11Fri Sep 11 Moderate rain Moderate rain 78°/57° 💧 0.39 in 💨 8 mph
Saturday, Sep 12Sat Sep 12 Light rain Light rain 72°/55° 💧 0.12 in 💨 22 mph
Sunday, Sep 13Sun Sep 13 Light rain Light rain 65°/49° 💧 0.00 in 💨 16 mph
Monday, Sep 14Mon Sep 14 Sunny Sunny 68°/43° 💧 None 💨 13 mph
Tuesday, Sep 15Tue Sep 15 Mostly cloudy Mostly cloudy 76°/49° 💧 None 💨 13 mph
Wednesday, Sep 16Wed Sep 16 Mostly cloudy Mostly cloudy 68°/45° 💧 None 💨 6 mph
Thursday, Sep 17Thu Sep 17 Mostly cloudy Mostly cloudy 78°/51° 💧 None 💨 14 mph
Friday, Sep 18Fri Sep 18 Sunny Sunny 74°/46° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Helena Valley West Central

Vertical axis: °F · Color based on temperature
Mostly cloudy at 12:00 PM
67° Today 12:00 PM
Partly cloudy at 1:00 PM
67° 1:00 PM
Partly cloudy at 2:00 PM
68° 2:00 PM
Mostly cloudy at 3:00 PM
75° 3:00 PM
Partly cloudy at 4:00 PM
75° Today 4:00 PM
Partly cloudy at 5:00 PM
73° 5:00 PM
Mostly cloudy at 6:00 PM
74° 6:00 PM
Partly cloudy at 7:00 PM
70° 7:00 PM
Partly cloudy at 8:00 PM
65° Today 8:00 PM
Mostly cloudy night at 9:00 PM
62° 9:00 PM
Partly cloudy night at 10:00 PM
59° 10:00 PM
Mostly cloudy night at 11:00 PM
56° 11:00 PM
Mostly cloudy night at 12:00 AM
62° Tomorrow 12:00 AM
Overcast night at 1:00 AM
58° 1:00 AM
Overcast night at 2:00 AM
54° 2:00 AM
Overcast night at 3:00 AM
53° 3:00 AM
Overcast night at 4:00 AM
51° Tomorrow 4:00 AM
Overcast night at 5:00 AM
48° 5:00 AM
Mostly cloudy night at 6:00 AM
48° 6:00 AM
Sunny at 7:00 AM
47° 7:00 AM
Mostly sunny at 8:00 AM
51° Tomorrow 8:00 AM
Partly cloudy at 9:00 AM
54° 9:00 AM
Mostly sunny at 10:00 AM
59° 10:00 AM
Mostly sunny at 11:00 AM
61° 11:00 AM
Mostly sunny at 12:00 PM
66° Tomorrow 12:00 PM
Mostly sunny at 1:00 PM
67° 1:00 PM
Mostly cloudy at 2:00 PM
72° 2:00 PM
Mostly cloudy at 3:00 PM
76° 3:00 PM
Mostly cloudy at 4:00 PM
71° Tomorrow 4:00 PM
Mostly cloudy at 5:00 PM
71° 5:00 PM
Mostly cloudy at 6:00 PM
70° 6:00 PM
Overcast at 7:00 PM
68° 7:00 PM
Mostly cloudy at 8:00 PM
61° Tomorrow 8:00 PM
Overcast night at 9:00 PM
60° 9:00 PM
Overcast night at 10:00 PM
60° 10:00 PM
Overcast night at 11:00 PM
56° 11:00 PM
Mostly cloudy night at 12:00 AM
55° Saturday 12:00 AM
Clear night at 1:00 AM
52° 1:00 AM
Clear night at 2:00 AM
51° 2:00 AM
Clear night at 3:00 AM
50° 3:00 AM
Clear night at 4:00 AM
50° Saturday 4:00 AM
Clear night at 5:00 AM
49° 5:00 AM
Mostly clear night at 6:00 AM
49° 6:00 AM
Mostly sunny at 7:00 AM
47° 7:00 AM
Mostly sunny at 8:00 AM
52° Saturday 8:00 AM
Sunny at 9:00 AM
57° 9:00 AM
Sunny at 10:00 AM
60° 10:00 AM
Sunny at 11:00 AM
64° 11:00 AM
Sunny at 12:00 PM
68° Saturday 12:00 PM
Sunny at 1:00 PM
71° 1:00 PM
Sunny at 2:00 PM
74° 2:00 PM
Sunny at 3:00 PM
76° 3:00 PM
Sunny at 4:00 PM
76° Saturday 4:00 PM
Light rain at 5:00 PM
72° 5:00 PM
Partly cloudy at 6:00 PM
71° 6:00 PM
Partly cloudy at 7:00 PM
70° 7:00 PM
Partly cloudy at 8:00 PM
63° Saturday 8:00 PM
Mostly cloudy night at 9:00 PM
60° 9:00 PM
Partly cloudy night at 10:00 PM
58° 10:00 PM
Partly cloudy night at 11:00 PM
56° 11:00 PM
Partly cloudy night at 12:00 AM
55° Sunday 12:00 AM
Clear night at 1:00 AM
53° 1:00 AM
Clear night at 2:00 AM
51° 2:00 AM
Clear night at 3:00 AM
50° 3:00 AM
Clear night at 4:00 AM
49° Sunday 4:00 AM
Mostly clear night at 5:00 AM
49° 5:00 AM
Clear night at 6:00 AM
48° 6:00 AM
Sunny at 7:00 AM
47° 7:00 AM
Sunny at 8:00 AM
52° Sunday 8:00 AM
Sunny at 9:00 AM
56° 9:00 AM
Partly cloudy at 10:00 AM
60° 10:00 AM
Mostly sunny at 11:00 AM
65° 11:00 AM
Partly cloudy at 12:00 PM
69° Sunday 12:00 PM
Overcast at 1:00 PM
73° 1:00 PM
Partly cloudy at 2:00 PM
76° 2:00 PM
Partly cloudy at 3:00 PM
79° 3:00 PM
Partly cloudy at 4:00 PM
79° Sunday 4:00 PM
Partly cloudy at 5:00 PM
80° 5:00 PM
Partly cloudy at 6:00 PM
77° 6:00 PM
Light rain at 7:00 PM
71° 7:00 PM
Light rain at 8:00 PM
63° Sunday 8:00 PM
Light rain at 9:00 PM
57° 9:00 PM
Light rain at 10:00 PM
54° 10:00 PM
Light rain at 11:00 PM
56° 11:00 PM
Light rain at 12:00 AM
56° Monday 12:00 AM
Light rain at 1:00 AM
57° 1:00 AM
Light rain at 2:00 AM
56° 2:00 AM
Light rain at 3:00 AM
56° 3:00 AM
Light rain at 4:00 AM
55° Monday 4:00 AM
Light rain at 5:00 AM
55° 5:00 AM
Moderate rain at 6:00 AM
55° 6:00 AM
Moderate rain at 7:00 AM
55° 7:00 AM
Light rain at 8:00 AM
56° Monday 8:00 AM
Light rain at 9:00 AM
58° 9:00 AM
Light rain at 10:00 AM
59° 10:00 AM
Light rain at 11:00 AM
63° 11:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Helena Valley West Central

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 12:00 PM
PM2.5 Fine particles Good 0,5µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 0,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 71,8µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,2µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Helena Valley West Central

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 6,1High 🙂Fair
Tomorrow UV 6,3High 🙂Fair
Saturday UV 5,6Moderate 🙂Fair
Sunday UV 5,9Moderate 🙂Fair
Monday UV 5,0Moderate 😊Good
Tuesday UV 6,0High Unavailable
Wednesday UV 6,0High Unavailable
Hourly UV index today
12:00 PMUV 5,2 1:00 PMUV 6,1 2:00 PMUV 6,1 3:00 PMUV 5,2 4:00 PMUV 3,7 5:00 PMUV 2,1 6:00 PMUV 0,8 7:00 PMUV 0,2
Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Helena Valley West Central

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 12:00 PM 1:00 PM 2:00 PM 3:00 PM Today 4:00 PM 5:00 PM 6:00 PM 7:00 PM Today 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tomorrow 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tomorrow 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tomorrow 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tomorrow 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tomorrow 4:00 PM 5:00 PM 6:00 PM 7:00 PM Tomorrow 8:00 PM 9:00 PM 10:00 PM 11:00 PM Saturday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Saturday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Saturday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Saturday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Saturday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Saturday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Sunday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Sunday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Sunday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Sunday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Sunday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Sunday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Monday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Monday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Monday 8:00 AM 9:00 AM 10:00 AM 11:00 AM
Sustained wind Max gusts
Internal PR simulation: 4.03 Population: 8,056

Forecast data for Helena Valley West Central were last refreshed today at 11:22 AM. The current forecast period extends through 05/09/2026 at 9:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.