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Current weather in Big Stone Colony is overcast clouds.

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Weather data for Big Stone Colony is updated regularly with the latest available observations and forecasts.

Now · 6:40 AM

Big Stone Colony Weather & Hourly Forecast

United States · Montana · 59472

49°F

Overcast night

Feels like: 48°F

💧 Humidity 92% 🌡 Pressure 30.06 inHg 💨 Wind 4 mph 👁 Visibility 6.2 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:49 AM 🌇 Sunset 7:58 PM

Hourly Forecast for Big Stone Colony

Today

7:00 AM

Overcast

49° 💧 None 💨 4 mph H 92%30.06 inHg

10:00 AM

Overcast

52° 💧 None 💨 7 mph H 71%30.03 inHg

1:00 PM

Sunny

66° 💧 None 💨 11 mph H 35%29.97 inHg

4:00 PM

Sunny

70° 💧 None 💨 16 mph H 30%29.91 inHg

7:00 PM

Sunny

67° 💧 None 💨 20 mph H 36%29.88 inHg

10:00 PM

Partly cloudy night

56° 💧 None 💨 6 mph H 55%30.00 inHg

Tomorrow

1:00 AM

Mostly clear night

51° 💧 None 💨 6 mph H 88%30.06 inHg

4:00 AM

Partly cloudy night

48° 💧 None 💨 5 mph H 92%30.03 inHg

7:00 AM

Overcast

49° 💧 None 💨 8 mph H 88%30.06 inHg

10:00 AM

Overcast

52° 💧 None 💨 3 mph H 70%30.00 inHg

1:00 PM

Overcast

64° 💧 None 💨 6 mph H 43%29.88 inHg

4:00 PM

Overcast

67° 💧 None 💨 13 mph H 39%29.83 inHg

7:00 PM

Partly cloudy

64° 💧 0.08 in 💨 14 mph H 54%29.80 inHg

10:00 PM

Moderate rain

54° 💧 0.15 in 💨 7 mph H 91%29.85 inHg

Monday

1:00 AM

Light rain

58° 💧 0.07 in 💨 9 mph H 91%29.85 inHg

4:00 AM

Overcast night

56° 💧 None 💨 5 mph H 86%29.80 inHg

Today

7:00 AM

Overcast

49° 💧 None 💨 4 mph H 92%30.06 inHg

8:00 AM

Overcast

50° 💧 None 💨 2 mph H 88%30.06 inHg

9:00 AM

Overcast

51° 💧 None 💨 3 mph H 81%30.06 inHg

10:00 AM

Overcast

52° 💧 None 💨 7 mph H 71%30.03 inHg

11:00 AM

Mostly cloudy

56° 💧 None 💨 9 mph H 60%30.03 inHg

12:00 PM

Mostly cloudy

63° 💧 None 💨 11 mph H 39%30.00 inHg

1:00 PM

Sunny

66° 💧 None 💨 11 mph H 35%29.97 inHg

2:00 PM

Mostly sunny

69° 💧 None 💨 13 mph H 33%29.94 inHg

3:00 PM

Sunny

70° 💧 None 💨 14 mph H 31%29.94 inHg

4:00 PM

Sunny

70° 💧 None 💨 16 mph H 30%29.91 inHg

5:00 PM

Sunny

70° 💧 None 💨 18 mph H 31%29.91 inHg

6:00 PM

Sunny

69° 💧 None 💨 18 mph H 33%29.88 inHg

7:00 PM

Sunny

67° 💧 None 💨 20 mph H 36%29.88 inHg

8:00 PM

Clear night

63° 💧 None 💨 13 mph H 43%29.91 inHg

9:00 PM

Mostly clear night

60° 💧 None 💨 8 mph H 48%29.97 inHg

10:00 PM

Partly cloudy night

56° 💧 None 💨 6 mph H 55%30.00 inHg

11:00 PM

Partly cloudy night

52° 💧 None 💨 10 mph H 66%30.03 inHg

Tomorrow

12:00 AM

Partly cloudy night

53° 💧 None 💨 7 mph H 81%30.06 inHg

1:00 AM

Mostly clear night

51° 💧 None 💨 6 mph H 88%30.06 inHg

2:00 AM

Partly cloudy night

49° 💧 None 💨 5 mph H 89%30.06 inHg

3:00 AM

Partly cloudy night

49° 💧 None 💨 6 mph H 90%30.06 inHg

4:00 AM

Partly cloudy night

48° 💧 None 💨 5 mph H 92%30.03 inHg

5:00 AM

Mostly cloudy night

48° 💧 None 💨 4 mph H 91%30.03 inHg

6:00 AM

Mostly cloudy night

48° 💧 None 💨 8 mph H 90%30.06 inHg

7:00 AM

Overcast

49° 💧 None 💨 8 mph H 88%30.06 inHg

8:00 AM

Overcast

49° 💧 None 💨 1 mph H 85%30.06 inHg

9:00 AM

Overcast

50° 💧 None 💨 5 mph H 77%30.03 inHg

10:00 AM

Overcast

52° 💧 None 💨 3 mph H 70%30.00 inHg

11:00 AM

Overcast

55° 💧 None 💨 3 mph H 61%29.97 inHg

12:00 PM

Overcast

60° 💧 None 💨 5 mph H 51%29.94 inHg

1:00 PM

Overcast

64° 💧 None 💨 6 mph H 43%29.88 inHg

2:00 PM

Overcast

66° 💧 None 💨 10 mph H 37%29.85 inHg

3:00 PM

Overcast

67° 💧 None 💨 13 mph H 37%29.85 inHg

4:00 PM

Overcast

67° 💧 None 💨 13 mph H 39%29.83 inHg

5:00 PM

Mostly cloudy

67° 💧 None 💨 13 mph H 42%29.83 inHg

6:00 PM

Mostly cloudy

66° 💧 None 💨 15 mph H 47%29.83 inHg

7:00 PM

Partly cloudy

64° 💧 None 💨 14 mph H 54%29.80 inHg

8:00 PM

Light rain

60° 💧 0.04 in 💨 11 mph H 76%29.83 inHg

9:00 PM

Moderate rain

56° 💧 0.04 in 💨 5 mph H 89%29.83 inHg

10:00 PM

Moderate rain

54° 💧 0.07 in 💨 7 mph H 91%29.85 inHg

11:00 PM

Moderate rain

52° 💧 0.06 in 💨 8 mph H 87%29.85 inHg

Monday

12:00 AM

Light rain

54° 💧 0.03 in 💨 8 mph H 89%29.85 inHg

1:00 AM

Light rain

58° 💧 0.03 in 💨 9 mph H 91%29.85 inHg

2:00 AM

Light rain

57° 💧 0.04 in 💨 8 mph H 90%29.83 inHg

3:00 AM

Light rain

56° 💧 0.00 in 💨 8 mph H 88%29.83 inHg

4:00 AM

Overcast night

56° 💧 None 💨 5 mph H 86%29.80 inHg

5:00 AM

Overcast night

56° 💧 None 💨 6 mph H 85%29.80 inHg

6:00 AM

Overcast night

55° 💧 None 💨 6 mph H 89%29.80 inHg

7:00 AM

Overcast

54° 💧 None 💨 6 mph H 94%29.80 inHg

8:00 AM

Overcast

55° 💧 None 💨 6 mph H 89%29.80 inHg

9:00 AM

Overcast

57° 💧 None 💨 7 mph H 81%29.77 inHg

10:00 AM

Overcast

59° 💧 None 💨 8 mph H 76%29.77 inHg

11:00 AM

Light rain

58° 💧 0.01 in 💨 8 mph H 79%29.77 inHg

12:00 PM

Overcast

58° 💧 None 💨 10 mph H 79%29.71 inHg

1:00 PM

Heavy rain

56° 💧 0.29 in 💨 11 mph H 90%29.74 inHg

2:00 PM

Heavy rain

53° 💧 0.23 in 💨 18 mph H 85%29.77 inHg

3:00 PM

Overcast

58° 💧 None 💨 17 mph H 70%29.77 inHg

4:00 PM

Light rain

57° 💧 0.03 in 💨 19 mph H 74%29.77 inHg

5:00 PM

Moderate rain

54° 💧 0.05 in 💨 17 mph H 83%29.80 inHg

6:00 PM

Moderate rain

51° 💧 0.13 in 💨 13 mph H 91%29.83 inHg

7:00 PM

Moderate rain

52° 💧 0.06 in 💨 18 mph H 85%29.85 inHg

8:00 PM

Light rain

52° 💧 0.01 in 💨 19 mph H 80%29.88 inHg

9:00 PM

Light rain

53° 💧 0.01 in 💨 17 mph H 78%29.91 inHg

10:00 PM

Overcast night

53° 💧 None 💨 17 mph H 76%29.94 inHg

11:00 PM

Overcast night

54° 💧 None 💨 19 mph H 71%29.94 inHg

Tuesday

12:00 AM

Overcast night

54° 💧 None 💨 17 mph H 68%29.94 inHg

1:00 AM

Overcast night

53° 💧 None 💨 16 mph H 68%29.97 inHg

2:00 AM

Mostly cloudy night

52° 💧 None 💨 15 mph H 71%29.97 inHg

3:00 AM

Mostly cloudy night

51° 💧 None 💨 20 mph H 69%29.97 inHg

4:00 AM

Partly cloudy night

53° 💧 None 💨 17 mph H 66%29.97 inHg

5:00 AM

Partly cloudy night

52° 💧 None 💨 14 mph H 66%29.97 inHg

6:00 AM

Partly cloudy night

52° 💧 None 💨 15 mph H 66%29.97 inHg

7:00 AM

Sunny

52° 💧 None 💨 15 mph H 65%30.00 inHg

8:00 AM

Sunny

54° 💧 None 💨 16 mph H 61%30.00 inHg

9:00 AM

Sunny

58° 💧 None 💨 18 mph H 53%30.00 inHg

10:00 AM

Sunny

61° 💧 None 💨 19 mph H 45%30.03 inHg

11:00 AM

Sunny

64° 💧 None 💨 16 mph H 39%30.03 inHg

12:00 PM

Sunny

66° 💧 None 💨 16 mph H 35%30.03 inHg

1:00 PM

Partly cloudy

69° 💧 None 💨 15 mph H 30%30.03 inHg

2:00 PM

Mostly cloudy

70° 💧 None 💨 15 mph H 28%30.03 inHg

3:00 PM

Mostly cloudy

71° 💧 None 💨 14 mph H 28%30.03 inHg

4:00 PM

Mostly cloudy

71° 💧 None 💨 14 mph H 28%30.03 inHg

5:00 PM

Mostly cloudy

70° 💧 None 💨 12 mph H 29%30.03 inHg

6:00 PM

Mostly cloudy

69° 💧 None 💨 10 mph H 31%30.03 inHg

7:00 PM

Mostly sunny

66° 💧 None 💨 7 mph H 39%30.06 inHg

8:00 PM

Partly cloudy night

61° 💧 None 💨 5 mph H 46%30.06 inHg

9:00 PM

Partly cloudy night

59° 💧 None 💨 6 mph H 48%30.12 inHg

10:00 PM

Partly cloudy night

58° 💧 None 💨 6 mph H 51%30.12 inHg

11:00 PM

Partly cloudy night

56° 💧 None 💨 6 mph H 51%30.12 inHg

Wednesday

12:00 AM

Partly cloudy night

56° 💧 None 💨 6 mph H 51%30.12 inHg

1:00 AM

Overcast night

56° 💧 None 💨 5 mph H 51%30.12 inHg

2:00 AM

Overcast night

55° 💧 None 💨 5 mph H 51%30.12 inHg

3:00 AM

Overcast night

55° 💧 None 💨 5 mph H 50%30.12 inHg

4:00 AM

Overcast night

54° 💧 None 💨 5 mph H 50%30.12 inHg

5:00 AM

Overcast night

54° 💧 None 💨 5 mph H 49%30.09 inHg

6:00 AM

Overcast night

54° 💧 None 💨 5 mph H 50%30.09 inHg

In Big Stone Colony and, more broadly, across the state of Montana: This morning will begin with mostly sunny skies and only a few clouds overhead. Temperatures will be mild, ranging from around 48 degrees in the early hours to about 67 degrees by midday. Winds from the northeast will be moderate, with peaks reaching up to 13 mph and gusts up to 15 mph. No rain is expected throughout the day, so outdoor plans should be comfortably enjoyed. As the afternoon progresses, skies will remain mostly clear with continued mild temperatures and steady northeast winds. Overall, it’s a pleasant day with comfortable conditions, making it suitable for outdoor activities. Just be prepared for a light breeze moving through the day.

15-Day Weather Outlook for Big Stone Colony

TomorrowTomorrow

Moderate rain 67°/48° 💧 0.20 in 💨 15 mph

Monday, Sep 7Mon Sep 7

Heavy rain 59°/51° 💧 0.92 in 💨 19 mph

Tuesday, Sep 8Tue Sep 8

Sunny 71°/51° 💧 None 💨 18 mph

Wednesday, Sep 9Wed Sep 9

Overcast 78°/54° 💧 None 💨 18 mph

Thursday, Sep 10Thu Sep 10

Partly cloudy 80°/59° 💧 None 💨 23 mph

Friday, Sep 11Fri Sep 11

Sunny 68°/49° 💧 None 💨 11 mph

Saturday, Sep 12Sat Sep 12

Mostly cloudy 71°/51° 💧 None 💨 18 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 70°/47° 💧 None 💨 7 mph

Monday, Sep 14Mon Sep 14

Overcast 86°/51° 💧 None 💨 15 mph

Tuesday, Sep 15Tue Sep 15

Light rain 81°/58° 💧 0.04 in 💨 15 mph

Wednesday, Sep 16Wed Sep 16

Light rain 80°/54° 💧 0.04 in 💨 16 mph

Thursday, Sep 17Thu Sep 17

Light rain 65°/53° 💧 0.15 in 💨 14 mph

Friday, Sep 18Fri Sep 18

Moderate rain 53°/41° 💧 0.72 in 💨 21 mph

Saturday, Sep 19Sat Sep 19

Moderate rain 57°/39° 💧 0.25 in 💨 15 mph

Sunday, Sep 20Sun Sep 20

Sunny 71°/44° 💧 None 💨 17 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Big Stone Colony

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Big Stone Colony

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 AM

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 0,6µg/m³

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

O₃ Ozone Good 37,0µg/m³

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

NO₂ Nitrogen dioxide Good 2,1µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Big Stone Colony

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 6,2High 😊Good

Tomorrow UV 5,4Moderate 🙂Fair

Monday UV 2,8Low 🙂Fair

Tuesday UV 5,7Moderate 🙂Fair

Wednesday UV 5,0Moderate 😊Good

Thursday UV 6,0High —Unavailable

Friday UV 7,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 1,0 10:00 AMUV 2,3 11:00 AMUV 3,8 12:00 PMUV 5,3 1:00 PMUV 6,2 2:00 PMUV 6,1 3:00 PMUV 5,1 4:00 PMUV 3,6 5:00 PMUV 2,0 6:00 PMUV 0,8

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.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

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 Big Stone Colony

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · BIG STONE COLONY, MONTANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

86/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:46 PM–5:01 AM

☁ Cloud cover 16% Real hourly forecast for the best viewing hour.

☾ Moonlight 31% Last Quarter · Moon about 0° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 41° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min55%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% 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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Big Stone Colony were last refreshed today at 6:40 AM. The current forecast period extends through 07/09/2026 at 4:00 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.