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Now · 3:04 AM

Colstrip Weather & Hourly Forecast

United States · Montana · 59323

Mostly cloudy night
59°F
Mostly cloudy night
Feels like: 55°F
💧 Humidity 60% 🌡 Pressure 29.97 inHg 💨 Wind 6 mph 👁 Visibility 32.3 mi ☁ Clouds 66% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:56 AM 🌇 Sunset 6:59 PM

Hourly Forecast for Colstrip

Today
Mostly cloudy night · 4:00 AM Mostly cloudy night
59° 💧 None 💨 7 mph H 62%29.97 inHg
Overcast · 7:00 AM Overcast
58° 💧 None 💨 7 mph H 74%29.94 inHg
Overcast · 10:00 AM Overcast
68° 💧 None 💨 11 mph H 60%29.88 inHg
Overcast · 1:00 PM Overcast
78° 💧 None 💨 15 mph H 43%29.77 inHg
Partly cloudy · 4:00 PM Partly cloudy
81° 💧 None 💨 13 mph H 33%29.68 inHg
Partly cloudy night · 7:00 PM Partly cloudy night
71° 💧 None 💨 8 mph H 54%29.65 inHg
Mostly clear night · 10:00 PM Mostly clear night
66° 💧 None 💨 9 mph H 56%29.65 inHg
Tomorrow
Clear night · 1:00 AM Clear night
61° 💧 None 💨 6 mph H 60%29.65 inHg
Clear night · 4:00 AM Clear night
59° 💧 None 💨 13 mph H 58%29.83 inHg
Partly cloudy · 7:00 AM Partly cloudy
53° 💧 None 💨 6 mph H 50%29.91 inHg
Mostly sunny · 10:00 AM Mostly sunny
62° 💧 None 💨 6 mph H 37%29.97 inHg
Mostly sunny · 1:00 PM Mostly sunny
67° 💧 None 💨 4 mph H 35%29.94 inHg
Mostly sunny · 4:00 PM Mostly sunny
69° 💧 None 💨 5 mph H 35%29.88 inHg
Mostly clear night · 7:00 PM Mostly clear night
61° 💧 None 💨 5 mph H 48%29.91 inHg
Partly cloudy night · 10:00 PM Partly cloudy night
56° 💧 None 💨 4 mph H 54%29.97 inHg
Sunday
Partly cloudy night · 1:00 AM Partly cloudy night
52° 💧 None 💨 5 mph H 58%30.03 inHg

In Colstrip and, more broadly, across the state of Montana: Clear skies are expected tonight with temperatures holding steady around 62 degrees. Light southeast winds will prevail, generally blowing at 3 to 5 mph, with occasional gusts reaching up to 10 mph. No precipitation is forecasted for the evening and the upcoming hours. It will remain a cool and tranquil night, making it a good time to enjoy the clear sky and gentle breeze. Temperatures are unlikely to fluctuate significantly through the evening, providing a calm and comfortable environment.

15-Day Weather Outlook for Colstrip

TomorrowTomorrow Mostly sunny Mostly sunny 69°/53° 💧 None 💨 18 mph
Sunday, Sep 27Sun Sep 27 Partly cloudy Partly cloudy 68°/47° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Colstrip

Vertical axis: °F · Color based on temperature
Mostly cloudy night at 4:00 AM
59° Today 4:00 AM
Mostly cloudy night at 5:00 AM
59° 5:00 AM
Overcast night at 6:00 AM
58° 6:00 AM
Overcast at 7:00 AM
58° 7:00 AM
Overcast at 8:00 AM
60° Today 8:00 AM
Overcast at 9:00 AM
64° 9:00 AM
Overcast at 10:00 AM
68° 10:00 AM
Overcast at 11:00 AM
72° 11:00 AM
Overcast at 12:00 PM
76° Today 12:00 PM
Overcast at 1:00 PM
78° 1:00 PM
Overcast at 2:00 PM
80° 2:00 PM
Mostly cloudy at 3:00 PM
81° 3:00 PM
Partly cloudy at 4:00 PM
81° Today 4:00 PM
Mostly sunny at 5:00 PM
80° 5:00 PM
Mostly sunny at 6:00 PM
77° 6:00 PM
Partly cloudy night at 7:00 PM
71° 7:00 PM
Mostly cloudy night at 8:00 PM
68° Today 8:00 PM
Partly cloudy night at 9:00 PM
67° 9:00 PM
Mostly clear night at 10:00 PM
66° 10:00 PM
Mostly clear night at 11:00 PM
65° 11:00 PM
Clear night at 12:00 AM
63° Tomorrow 12:00 AM
Clear night at 1:00 AM
61° 1:00 AM
Clear night at 2:00 AM
64° 2:00 AM
Clear night at 3:00 AM
60° 3:00 AM
Clear night at 4:00 AM
59° Tomorrow 4:00 AM
Clear night at 5:00 AM
58° 5:00 AM
Mostly clear night at 6:00 AM
56° 6:00 AM
Partly cloudy at 7:00 AM
53° 7:00 AM
Sunny at 8:00 AM
55° Tomorrow 8:00 AM
Sunny at 9:00 AM
59° 9:00 AM
Mostly sunny at 10:00 AM
62° 10:00 AM
Sunny at 11:00 AM
64° 11:00 AM
Sunny at 12:00 PM
65° Tomorrow 12:00 PM
Mostly sunny at 1:00 PM
67° 1:00 PM
Partly cloudy at 2:00 PM
68° 2:00 PM
Partly cloudy at 3:00 PM
69° 3:00 PM
Mostly sunny at 4:00 PM
69° Tomorrow 4:00 PM
Partly cloudy at 5:00 PM
68° 5:00 PM
Partly cloudy at 6:00 PM
67° 6:00 PM
Mostly clear night at 7:00 PM
61° 7:00 PM
Mostly clear night at 8:00 PM
59° Tomorrow 8:00 PM
Mostly clear night at 9:00 PM
57° 9:00 PM
Partly cloudy night at 10:00 PM
56° 10:00 PM
Partly cloudy night at 11:00 PM
55° 11:00 PM
Partly cloudy night at 12:00 AM
53° Sunday 12:00 AM
Partly cloudy night at 1:00 AM
52° 1:00 AM
Mostly clear night at 2:00 AM
52° 2:00 AM
Mostly clear night at 3:00 AM
51° 3:00 AM
Mostly clear night at 4:00 AM
50° Sunday 4:00 AM
Partly cloudy night at 5:00 AM
49° 5:00 AM
Mostly clear night at 6:00 AM
48° 6:00 AM
Partly cloudy at 7:00 AM
47° 7:00 AM
Partly cloudy at 8:00 AM
50° Sunday 8:00 AM
Mostly cloudy at 9:00 AM
54° 9:00 AM
Overcast at 10:00 AM
58° 10:00 AM
Mostly cloudy at 11:00 AM
61° 11:00 AM
Mostly cloudy at 12:00 PM
64° Sunday 12:00 PM
Partly cloudy at 1:00 PM
66° 1:00 PM
Mostly cloudy at 2:00 PM
68° 2:00 PM
Mostly cloudy at 3:00 PM
68° 3:00 PM
Partly cloudy at 4:00 PM
68° Sunday 4:00 PM
Partly cloudy at 5:00 PM
68° 5:00 PM
Partly cloudy at 6:00 PM
66° 6:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Colstrip

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 4:00 AM
PM2.5 Fine particles Good 3,4µg/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 6,5µg/m³

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

O₃ Ozone Fair 70,5µg/m³

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

NO₂ Nitrogen dioxide Good 1,2µg/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 Colstrip

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 3,5Moderate 🙂Fair
Tomorrow UV 3,8Moderate 😐Moderate
Sunday UV 3,8Moderate 🙂Fair
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 0,9 10:00 AMUV 1,7 11:00 AMUV 2,6 12:00 PMUV 3,2 1:00 PMUV 3,4 2:00 PMUV 3,5 3:00 PMUV 3,3 4:00 PMUV 2,7 5:00 PMUV 1,9 6:00 PMUV 1,0
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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 Colstrip

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 4:00 AM 5:00 AM 6:00 AM 7:00 AM Today 8:00 AM 9:00 AM 10:00 AM 11:00 AM 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 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
Sustained wind Max gusts
NIGHT SKY · COLSTRIP, MONTANA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

40/100Best-hour score
No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.
☁ Cloud cover 77% Real hourly forecast for the best viewing hour.
☾ Moonlight 98% Full Moon · Moon about 16° above the horizon at the best viewing hour.
☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 59° high at the best hour.
✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.
Chance ≥1 meteor in 30 minNot meaningful
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Colstrip were last refreshed today at 3:04 AM. The current forecast period extends through 27/09/2026 at 1:00 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.