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Now · 6:27 PM

Big Stone Colony Weather & Hourly Forecast

United States · Montana · 59472

72°F

Mostly sunny

Feels like: 63°F

💧 Humidity 36% 🌡 Pressure 29.91 inHg 💨 Wind 13 mph 👁 Visibility 28.5 mi ☁ Clouds 16% ☀️ UV index 0.8 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Big Stone Colony

Today

7:00 PM

Sunny

70° 💧 0.001 in 💨 12 mph H 39%29.91 inHg

10:00 PM

Mostly clear night

61° 💧 0.000 in 💨 7 mph H 59%30.00 inHg

Tomorrow

1:00 AM

Clear night

55° 💧 None 💨 4 mph H 86%30.06 inHg

4:00 AM

Partly cloudy night

52° 💧 None 💨 5 mph H 95%30.03 inHg

7:00 AM

Light rain

52° 💧 0.051 in 💨 6 mph H 97%30.03 inHg

10:00 AM

Partly cloudy

60° 💧 0.004 in 💨 1 mph H 77%30.00 inHg

1:00 PM

Mostly cloudy

68° 💧 None 💨 5 mph H 57%29.91 inHg

4:00 PM

Mostly cloudy

73° 💧 None 💨 9 mph H 42%29.85 inHg

7:00 PM

Mostly cloudy

69° 💧 0.001 in 💨 7 mph H 53%29.83 inHg

10:00 PM

Partly cloudy night

58° 💧 0.006 in 💨 11 mph H 88%29.91 inHg

Monday

1:00 AM

Overcast night

56° 💧 0.004 in 💨 6 mph H 95%29.88 inHg

4:00 AM

Overcast night

56° 💧 0.218 in 💨 3 mph H 95%29.85 inHg

7:00 AM

Severe thunderstorms

55° 💧 0.445 in 💨 5 mph H 95%29.83 inHg

10:00 AM

Light rain

56° 💧 0.029 in 💨 11 mph H 92%29.80 inHg

1:00 PM

Light rain

60° 💧 0.009 in 💨 16 mph H 72%29.77 inHg

4:00 PM

Overcast

60° 💧 0.004 in 💨 24 mph H 55%29.80 inHg

Today

7:00 PM

Sunny

70° 💧 None 💨 12 mph H 39%29.91 inHg

8:00 PM

Mostly clear night

66° 💧 0.001 in 💨 11 mph H 48%29.94 inHg

9:00 PM

Mostly clear night

63° 💧 0.000 in 💨 10 mph H 53%29.97 inHg

10:00 PM

Mostly clear night

61° 💧 0.000 in 💨 7 mph H 59%30.00 inHg

11:00 PM

Mostly clear night

59° 💧 None 💨 9 mph H 69%30.03 inHg

Tomorrow

12:00 AM

Clear night

57° 💧 None 💨 5 mph H 78%30.03 inHg

1:00 AM

Clear night

55° 💧 None 💨 4 mph H 86%30.06 inHg

2:00 AM

Clear night

54° 💧 None 💨 0 mph H 88%30.03 inHg

3:00 AM

Partly cloudy night

53° 💧 None 💨 2 mph H 91%30.03 inHg

4:00 AM

Partly cloudy night

52° 💧 None 💨 5 mph H 95%30.03 inHg

5:00 AM

Mostly cloudy night

52° 💧 None 💨 7 mph H 97%30.03 inHg

6:00 AM

Overcast night

51° 💧 None 💨 5 mph H 98%30.03 inHg

7:00 AM

Light rain

52° 💧 0.014 in 💨 6 mph H 97%30.03 inHg

8:00 AM

Light rain

53° 💧 0.033 in 💨 6 mph H 96%30.03 inHg

9:00 AM

Light rain

56° 💧 0.004 in 💨 2 mph H 90%30.03 inHg

10:00 AM

Partly cloudy

60° 💧 0.002 in 💨 1 mph H 77%30.00 inHg

11:00 AM

Mostly sunny

63° 💧 0.002 in 💨 3 mph H 69%29.97 inHg

12:00 PM

Mostly cloudy

65° 💧 None 💨 4 mph H 63%29.94 inHg

1:00 PM

Mostly cloudy

68° 💧 None 💨 5 mph H 57%29.91 inHg

2:00 PM

Mostly cloudy

70° 💧 None 💨 5 mph H 51%29.88 inHg

3:00 PM

Mostly cloudy

72° 💧 None 💨 7 mph H 45%29.85 inHg

4:00 PM

Mostly cloudy

73° 💧 None 💨 9 mph H 42%29.85 inHg

5:00 PM

Mostly cloudy

72° 💧 None 💨 10 mph H 45%29.83 inHg

6:00 PM

Mostly cloudy

71° 💧 None 💨 10 mph H 48%29.83 inHg

7:00 PM

Mostly cloudy

69° 💧 None 💨 7 mph H 53%29.83 inHg

8:00 PM

Partly cloudy night

65° 💧 None 💨 8 mph H 63%29.83 inHg

9:00 PM

Mostly cloudy night

61° 💧 0.001 in 💨 2 mph H 74%29.88 inHg

10:00 PM

Partly cloudy night

58° 💧 0.004 in 💨 11 mph H 88%29.91 inHg

11:00 PM

Mostly cloudy night

56° 💧 0.001 in 💨 6 mph H 95%29.91 inHg

Monday

12:00 AM

Overcast night

57° 💧 0.002 in 💨 4 mph H 94%29.91 inHg

1:00 AM

Overcast night

56° 💧 0.003 in 💨 6 mph H 95%29.88 inHg

2:00 AM

Mostly cloudy night

56° 💧 0.001 in 💨 3 mph H 94%29.85 inHg

3:00 AM

Overcast night

56° 💧 None 💨 3 mph H 94%29.85 inHg

4:00 AM

Overcast night

56° 💧 0.001 in 💨 3 mph H 95%29.85 inHg

5:00 AM

Thunderstorms

56° 💧 0.123 in 💨 3 mph H 95%29.83 inHg

6:00 AM

Light thunderstorms

55° 💧 0.093 in 💨 3 mph H 95%29.80 inHg

7:00 AM

Severe thunderstorms

55° 💧 0.305 in 💨 5 mph H 95%29.83 inHg

8:00 AM

Moderate rain

55° 💧 0.112 in 💨 5 mph H 97%29.83 inHg

9:00 AM

Light rain

55° 💧 0.027 in 💨 4 mph H 95%29.80 inHg

10:00 AM

Light rain

56° 💧 0.011 in 💨 11 mph H 92%29.80 inHg

11:00 AM

Light rain

58° 💧 0.010 in 💨 11 mph H 84%29.80 inHg

12:00 PM

Light rain

58° 💧 0.009 in 💨 11 mph H 86%29.77 inHg

1:00 PM

Light rain

60° 💧 0.005 in 💨 16 mph H 72%29.77 inHg

2:00 PM

Partly cloudy

64° 💧 0.003 in 💨 23 mph H 48%29.77 inHg

3:00 PM

Mostly sunny

61° 💧 0.001 in 💨 24 mph H 51%29.80 inHg

4:00 PM

Overcast

60° 💧 0.000 in 💨 24 mph H 55%29.80 inHg

5:00 PM

Mostly cloudy

58° 💧 0.002 in 💨 21 mph H 57%29.83 inHg

6:00 PM

Mostly cloudy

59° 💧 0.001 in 💨 19 mph H 54%29.83 inHg

7:00 PM

Overcast

58° 💧 None 💨 18 mph H 55%29.83 inHg

8:00 PM

Mostly clear night

57° 💧 None 💨 17 mph H 56%29.85 inHg

9:00 PM

Mostly clear night

56° 💧 None 💨 19 mph H 56%29.85 inHg

10:00 PM

Mostly clear night

55° 💧 None 💨 21 mph H 56%29.88 inHg

11:00 PM

Mostly cloudy night

54° 💧 None 💨 20 mph H 58%29.91 inHg

Tuesday

12:00 AM

Overcast night

54° 💧 None 💨 19 mph H 59%29.91 inHg

1:00 AM

Overcast night

54° 💧 0.000 in 💨 18 mph H 59%29.91 inHg

2:00 AM

Light rain

53° 💧 0.007 in 💨 17 mph H 66%29.94 inHg

3:00 AM

Light rain

52° 💧 0.008 in 💨 16 mph H 68%29.94 inHg

4:00 AM

Light rain

51° 💧 0.014 in 💨 17 mph H 73%29.97 inHg

5:00 AM

Light rain

51° 💧 0.020 in 💨 15 mph H 78%30.00 inHg

6:00 AM

Light rain

50° 💧 0.026 in 💨 15 mph H 82%30.03 inHg

9:00 AM

Light rain

51° 💧 None 💨 13 mph H 89%30.09 inHg

12:00 PM

Light rain

53° 💧 None 💨 13 mph H 87%30.15 inHg

3:00 PM

Overcast

63° 💧 None 💨 13 mph H 54%30.12 inHg

6:00 PM

Partly cloudy

63° 💧 None 💨 7 mph H 59%30.15 inHg

9:00 PM

Overcast night

57° 💧 None 💨 7 mph H 66%30.15 inHg

Wednesday

12:00 AM

Mostly clear night

54° 💧 None 💨 7 mph H 68%30.18 inHg

3:00 AM

Clear night

52° 💧 None 💨 7 mph H 70%30.18 inHg

6:00 AM

Clear night

51° 💧 None 💨 8 mph H 70%30.18 inHg

9:00 AM

Sunny

59° 💧 None 💨 10 mph H 59%30.18 inHg

12:00 PM

Sunny

70° 💧 None 💨 14 mph H 38%30.12 inHg

3:00 PM

Sunny

76° 💧 None 💨 14 mph H 31%30.00 inHg

6:00 PM

Sunny

74° 💧 None 💨 8 mph H 36%29.97 inHg

9:00 PM

Mostly clear night

65° 💧 None 💨 11 mph H 39%29.97 inHg

Thursday

12:00 AM

Mostly clear night

63° 💧 None 💨 12 mph H 46%29.94 inHg

3:00 AM

Clear night

60° 💧 None 💨 11 mph H 44%29.91 inHg

6:00 AM

Clear night

61° 💧 None 💨 14 mph H 37%29.88 inHg

9:00 AM

Mostly sunny

66° 💧 None 💨 15 mph H 37%29.91 inHg

12:00 PM

Mostly sunny

75° 💧 None 💨 17 mph H 28%29.85 inHg

3:00 PM

Sunny

79° 💧 None 💨 15 mph H 22%29.80 inHg

6:00 PM

Mostly cloudy

76° 💧 None 💨 11 mph H 30%29.74 inHg

9:00 PM

Partly cloudy night

68° 💧 None 💨 9 mph H 41%29.77 inHg

Friday

12:00 AM

Partly cloudy night

63° 💧 None 💨 7 mph H 50%29.80 inHg

3:00 AM

Mostly cloudy night

58° 💧 None 💨 3 mph H 66%29.85 inHg

6:00 AM

Mostly cloudy night

58° 💧 None 💨 2 mph H 65%29.85 inHg

12:00 PM

Partly cloudy

61° 💧 None 💨 7 mph H 68%29.83 inHg

6:00 PM

Moderate rain

55° 💧 None 💨 9 mph H 90%29.80 inHg

Saturday

12:00 AM

Light rain

48° 💧 None 💨 9 mph H 92%29.94 inHg

6:00 AM

Light rain

44° 💧 None 💨 3 mph H 91%30.06 inHg

12:00 PM

Overcast

51° 💧 None 💨 6 mph H 63%30.09 inHg

6:00 PM

Light rain

43° 💧 None 💨 8 mph H 89%30.24 inHg

Sunday

12:00 AM

Clear night

39° 💧 None 💨 8 mph H 91%30.30 inHg

6:00 AM

Clear night

38° 💧 None 💨 11 mph H 72%30.27 inHg

12:00 PM

Sunny

58° 💧 None 💨 12 mph H 35%30.09 inHg

6:00 PM

Sunny

65° 💧 None 💨 6 mph H 34%29.94 inHg

Monday

12:00 AM

Clear night

49° 💧 None 💨 6 mph H 53%29.97 inHg

6:00 AM

Clear night

43° 💧 None 💨 5 mph H 67%30.00 inHg

12:00 PM

Sunny

65° 💧 None 💨 6 mph H 38%30.00 inHg

6:00 PM

Sunny

70° 💧 None 💨 2 mph H 38%29.94 inHg

Tuesday

12:00 AM

Clear night

50° 💧 None 💨 4 mph H 67%29.97 inHg

6:00 AM

Clear night

45° 💧 None 💨 3 mph H 77%30.00 inHg

12:00 PM

Sunny

67° 💧 None 💨 2 mph H 47%30.00 inHg

6:00 PM

Partly cloudy

72° 💧 None 💨 7 mph H 41%29.94 inHg

Wednesday

12:00 AM

Partly cloudy night

54° 💧 None 💨 7 mph H 69%30.12 inHg

6:00 AM

Mostly cloudy night

48° 💧 None 💨 3 mph H 94%30.27 inHg

12:00 PM

Overcast

56° 💧 None 💨 4 mph H 77%30.30 inHg

6:00 PM

Partly cloudy

66° 💧 None 💨 7 mph H 59%30.15 inHg

Thursday

12:00 AM

Partly cloudy night

53° 💧 None 💨 2 mph H 88%30.15 inHg

6:00 AM

Mostly clear night

49° 💧 None 💨 5 mph H 96%30.18 inHg

12:00 PM

Sunny

61° 💧 None 💨 4 mph H 70%30.18 inHg

6:00 PM

Sunny

67° 💧 None 💨 4 mph H 61%30.12 inHg

Friday

12:00 AM

Clear night

54° 💧 None 💨 1 mph H 88%30.15 inHg

6:00 AM

Clear night

49° 💧 None 💨 3 mph H 95%30.15 inHg

12:00 PM

Sunny

66° 💧 None 💨 1 mph H 66%30.12 inHg

6:00 PM

Sunny

70° 💧 None 💨 8 mph H 48%30.00 inHg

Saturday

12:00 AM

Clear night

55° 💧 None 💨 4 mph H 92%30.06 inHg

6:00 AM

Mostly cloudy night

50° 💧 None 💨 2 mph H 100%30.12 inHg

12:00 PM

Light rain

58° 💧 None 💨 4 mph H 79%30.15 inHg

6:00 PM

Mostly sunny

63° 💧 None 💨 6 mph H 58%30.09 inHg

Sunday

12:00 AM

Clear night

51° 💧 None 💨 4 mph H 90%30.09 inHg

6:00 AM

Clear night

46° 💧 None 💨 2 mph H 94%30.03 inHg

In Big Stone Colony and, more broadly, across the state of Montana: Tonight, skies will be mostly sunny with only a few clouds drifting through. Temperatures will stay mild, holding steady around 64 degrees Fahrenheit. Winds will be light, coming from the east at up to 5 mph, with occasional gusts reaching 10 mph. No precipitation is expected during the evening hours, making for a calm and comfortable night. Temperatures are likely to remain stable, providing a quiet end to the day.

15-Day Weather Outlook for Big Stone Colony

Monday, Sep 7Mon Sep 7

Thunderstorms 71°/55° 💧 None 💨 24 mph

Tuesday, Sep 8Tue Sep 8

Light rain 63°/50° 💧 1.449 in 💨 21 mph

Wednesday, Sep 9Wed Sep 9

Partly cloudy 76°/51° 💧 None 💨 14 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 79°/60° 💧 None 💨 17 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 76°/58° 💧 0.001 in 💨 11 mph

Saturday, Sep 12Sat Sep 12

Moderate rain 55°/44° 💧 0.803 in 💨 9 mph

Sunday, Sep 13Sun Sep 13

Light rain 58°/38° 💧 0.195 in 💨 12 mph

Monday, Sep 14Mon Sep 14

Sunny 65°/43° 💧 None 💨 6 mph

Tuesday, Sep 15Tue Sep 15

Sunny 70°/45° 💧 None 💨 4 mph

Wednesday, Sep 16Wed Sep 16

Overcast 72°/48° 💧 0.004 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 66°/49° 💧 0.015 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Sunny 67°/49° 💧 None 💨 4 mph

Saturday, Sep 19Sat Sep 19

Light rain 70°/50° 💧 0.056 in 💨 8 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 63°/46° 💧 0.004 in 💨 6 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

Fair

Nearest forecast value 7:00 PM

PM2.5 Fine particles Good 1,3µg/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 2,6µg/m³

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

O₃ Ozone Fair 77,7µg/m³

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

NO₂ Nitrogen dioxide Good 0,7µg/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 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 🙂Fair

Tomorrow UV 5,2Moderate 🙂Fair

Monday UV 3,6Moderate 🙂Fair

Tuesday UV 4,8Moderate 🙂Fair

Wednesday UV 5,6Moderate 🙂Fair

Thursday UV 7,0High —Unavailable

Friday UV 3,0Moderate —Unavailable

Hourly UV index today

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 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: 12:00 AM–1:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 9:46 PM–5:01 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 32% Last Quarter · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 32° 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 min58%

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.

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Forecast data for Big Stone Colony were last refreshed today at 6:27 PM. The current forecast period extends through 07/09/2026 at 4:00 PM. 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.