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Current weather in Square Butte is overcast clouds.

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This page shows hourly weather forecast for Square Butte, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Square Butte updated regularly?

Weather data for Square Butte is updated regularly with the latest available observations and forecasts.

Now · 2:25 AM

Square Butte Weather & Hourly Forecast

United States · Montana · 59446

60°F

Overcast night

Feels like: 57°F

💧 Humidity 52% 🌡 Pressure 29.83 inHg 💨 Wind 2 mph 👁 Visibility 33.0 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:07 AM 🌇 Sunset 7:18 PM

Hourly Forecast for Square Butte

Today

3:00 AM

Partly cloudy night

60° 💧 0.002 in 💨 1 mph H 51%29.83 inHg

6:00 AM

Mostly clear night

57° 💧 None 💨 1 mph H 59%29.85 inHg

9:00 AM

Partly cloudy

60° 💧 None 💨 5 mph H 56%29.94 inHg

12:00 PM

Mostly sunny

75° 💧 0.004 in 💨 6 mph H 30%29.94 inHg

3:00 PM

Mostly sunny

78° 💧 0.001 in 💨 4 mph H 26%29.91 inHg

6:00 PM

Mostly sunny

77° 💧 None 💨 4 mph H 26%29.91 inHg

9:00 PM

Clear night

64° 💧 None 💨 2 mph H 44%29.97 inHg

Tomorrow

12:00 AM

Partly cloudy night

58° 💧 None 💨 4 mph H 49%29.97 inHg

3:00 AM

Clear night

55° 💧 None 💨 2 mph H 53%30.00 inHg

6:00 AM

Clear night

54° 💧 None 💨 1 mph H 57%30.03 inHg

9:00 AM

Sunny

62° 💧 None 💨 1 mph H 47%30.06 inHg

12:00 PM

Sunny

75° 💧 None 💨 3 mph H 29%30.00 inHg

3:00 PM

Sunny

83° 💧 None 💨 6 mph H 19%29.91 inHg

6:00 PM

Partly cloudy

80° 💧 None 💨 11 mph H 23%29.88 inHg

9:00 PM

Clear night

72° 💧 None 💨 13 mph H 30%29.88 inHg

Friday

12:00 AM

Clear night

67° 💧 None 💨 12 mph H 43%29.88 inHg

Today

3:00 AM

Partly cloudy night

60° 💧 None 💨 1 mph H 51%29.83 inHg

4:00 AM

Mostly cloudy night

58° 💧 0.000 in 💨 3 mph H 55%29.85 inHg

5:00 AM

Partly cloudy night

58° 💧 0.002 in 💨 0 mph H 57%29.85 inHg

6:00 AM

Mostly clear night

57° 💧 None 💨 1 mph H 59%29.85 inHg

7:00 AM

Partly cloudy night

55° 💧 None 💨 1 mph H 61%29.88 inHg

8:00 AM

Partly cloudy

55° 💧 None 💨 3 mph H 64%29.91 inHg

9:00 AM

Partly cloudy

60° 💧 None 💨 5 mph H 56%29.94 inHg

10:00 AM

Mostly cloudy

67° 💧 None 💨 3 mph H 44%29.94 inHg

11:00 AM

Partly cloudy

72° 💧 None 💨 2 mph H 35%29.94 inHg

12:00 PM

Mostly sunny

75° 💧 None 💨 6 mph H 30%29.94 inHg

1:00 PM

Mostly sunny

76° 💧 0.001 in 💨 7 mph H 27%29.94 inHg

2:00 PM

Sunny

77° 💧 0.004 in 💨 6 mph H 27%29.94 inHg

3:00 PM

Mostly sunny

78° 💧 0.001 in 💨 4 mph H 26%29.91 inHg

4:00 PM

Mostly sunny

78° 💧 None 💨 2 mph H 25%29.91 inHg

5:00 PM

Mostly sunny

77° 💧 None 💨 2 mph H 25%29.91 inHg

6:00 PM

Mostly sunny

77° 💧 None 💨 4 mph H 26%29.91 inHg

7:00 PM

Sunny

70° 💧 None 💨 3 mph H 36%29.91 inHg

8:00 PM

Clear night

68° 💧 None 💨 1 mph H 43%29.94 inHg

9:00 PM

Clear night

64° 💧 None 💨 2 mph H 44%29.97 inHg

10:00 PM

Clear night

61° 💧 None 💨 4 mph H 46%29.97 inHg

11:00 PM

Clear night

60° 💧 None 💨 3 mph H 47%29.97 inHg

Tomorrow

12:00 AM

Partly cloudy night

58° 💧 None 💨 4 mph H 49%29.97 inHg

1:00 AM

Partly cloudy night

57° 💧 None 💨 3 mph H 50%29.97 inHg

2:00 AM

Clear night

56° 💧 None 💨 2 mph H 51%29.97 inHg

3:00 AM

Clear night

55° 💧 None 💨 2 mph H 53%30.00 inHg

4:00 AM

Clear night

54° 💧 None 💨 2 mph H 55%30.00 inHg

5:00 AM

Clear night

55° 💧 None 💨 1 mph H 56%30.00 inHg

6:00 AM

Clear night

54° 💧 None 💨 1 mph H 57%30.03 inHg

7:00 AM

Clear night

54° 💧 None 💨 0 mph H 58%30.03 inHg

8:00 AM

Sunny

56° 💧 None 💨 0 mph H 56%30.03 inHg

9:00 AM

Sunny

62° 💧 None 💨 1 mph H 47%30.06 inHg

10:00 AM

Sunny

68° 💧 None 💨 2 mph H 36%30.03 inHg

11:00 AM

Sunny

72° 💧 None 💨 2 mph H 31%30.03 inHg

12:00 PM

Sunny

75° 💧 None 💨 3 mph H 29%30.00 inHg

1:00 PM

Sunny

79° 💧 None 💨 5 mph H 25%29.97 inHg

2:00 PM

Sunny

82° 💧 None 💨 5 mph H 20%29.94 inHg

3:00 PM

Sunny

83° 💧 None 💨 6 mph H 19%29.91 inHg

4:00 PM

Sunny

84° 💧 None 💨 7 mph H 20%29.88 inHg

5:00 PM

Mostly sunny

83° 💧 None 💨 10 mph H 20%29.88 inHg

6:00 PM

Partly cloudy

80° 💧 None 💨 11 mph H 23%29.88 inHg

7:00 PM

Sunny

75° 💧 None 💨 9 mph H 30%29.88 inHg

8:00 PM

Clear night

72° 💧 None 💨 10 mph H 32%29.88 inHg

9:00 PM

Clear night

72° 💧 None 💨 13 mph H 30%29.88 inHg

10:00 PM

Clear night

70° 💧 None 💨 13 mph H 34%29.88 inHg

11:00 PM

Clear night

68° 💧 None 💨 13 mph H 40%29.88 inHg

Friday

12:00 AM

Clear night

67° 💧 None 💨 12 mph H 43%29.88 inHg

1:00 AM

Clear night

66° 💧 None 💨 11 mph H 44%29.85 inHg

2:00 AM

Clear night

65° 💧 None 💨 9 mph H 46%29.85 inHg

3:00 AM

Clear night

63° 💧 None 💨 7 mph H 49%29.83 inHg

4:00 AM

Clear night

62° 💧 None 💨 6 mph H 51%29.83 inHg

5:00 AM

Clear night

61° 💧 None 💨 6 mph H 52%29.80 inHg

6:00 AM

Clear night

59° 💧 None 💨 6 mph H 53%29.77 inHg

7:00 AM

Clear night

58° 💧 None 💨 5 mph H 55%29.77 inHg

8:00 AM

Sunny

59° 💧 None 💨 5 mph H 54%29.77 inHg

9:00 AM

Sunny

64° 💧 None 💨 6 mph H 45%29.74 inHg

10:00 AM

Sunny

71° 💧 None 💨 6 mph H 34%29.71 inHg

11:00 AM

Sunny

79° 💧 None 💨 8 mph H 26%29.68 inHg

12:00 PM

Sunny

84° 💧 None 💨 10 mph H 20%29.62 inHg

1:00 PM

Sunny

86° 💧 None 💨 9 mph H 15%29.59 inHg

2:00 PM

Sunny

88° 💧 None 💨 7 mph H 12%29.53 inHg

3:00 PM

Sunny

89° 💧 None 💨 7 mph H 10%29.50 inHg

4:00 PM

Sunny

89° 💧 None 💨 9 mph H 10%29.50 inHg

5:00 PM

Sunny

88° 💧 None 💨 11 mph H 11%29.50 inHg

6:00 PM

Sunny

85° 💧 None 💨 10 mph H 13%29.50 inHg

9:00 PM

Mostly cloudy night

69° 💧 None 💨 13 mph H 34%29.62 inHg

Saturday

12:00 AM

Mostly clear night

57° 💧 None 💨 4 mph H 52%29.83 inHg

3:00 AM

Clear night

58° 💧 None 💨 7 mph H 44%29.85 inHg

6:00 AM

Clear night

51° 💧 None 💨 7 mph H 45%29.94 inHg

9:00 AM

Sunny

54° 💧 None 💨 13 mph H 36%30.00 inHg

12:00 PM

Mostly sunny

60° 💧 None 💨 12 mph H 21%30.00 inHg

3:00 PM

Mostly sunny

65° 💧 None 💨 12 mph H 16%29.97 inHg

6:00 PM

Mostly sunny

63° 💧 None 💨 8 mph H 18%29.97 inHg

9:00 PM

Partly cloudy night

53° 💧 None 💨 2 mph H 33%30.06 inHg

Sunday

12:00 AM

Mostly cloudy night

52° 💧 None 💨 0 mph H 40%30.09 inHg

3:00 AM

Mostly cloudy night

48° 💧 None 💨 1 mph H 45%30.06 inHg

6:00 AM

Mostly cloudy night

46° 💧 None 💨 2 mph H 48%30.03 inHg

9:00 AM

Overcast

52° 💧 None 💨 8 mph H 34%30.00 inHg

12:00 PM

Overcast

63° 💧 None 💨 10 mph H 26%29.91 inHg

3:00 PM

Overcast

66° 💧 None 💨 6 mph H 27%29.85 inHg

6:00 PM

Overcast

60° 💧 None 💨 3 mph H 49%29.85 inHg

9:00 PM

Light rain

54° 💧 None 💨 3 mph H 91%29.88 inHg

Monday

12:00 AM

Overcast night

53° 💧 None 💨 2 mph H 85%29.88 inHg

3:00 AM

Mostly cloudy night

52° 💧 None 💨 4 mph H 66%29.88 inHg

6:00 AM

Partly cloudy night

51° 💧 None 💨 7 mph H 56%29.91 inHg

9:00 AM

Mostly sunny

54° 💧 None 💨 10 mph H 45%29.94 inHg

12:00 PM

Sunny

59° 💧 None 💨 13 mph H 35%29.94 inHg

3:00 PM

Partly cloudy

62° 💧 None 💨 14 mph H 31%29.94 inHg

6:00 PM

Mostly sunny

60° 💧 None 💨 10 mph H 32%29.94 inHg

Tuesday

12:00 AM

Partly cloudy night

47° 💧 None 💨 5 mph H 58%30.00 inHg

6:00 AM

Clear night

43° 💧 None 💨 2 mph H 60%29.97 inHg

12:00 PM

Mostly cloudy

65° 💧 None 💨 7 mph H 20%29.88 inHg

6:00 PM

Mostly cloudy

65° 💧 None 💨 6 mph H 26%29.77 inHg

Wednesday

12:00 AM

Mostly cloudy night

54° 💧 None 💨 6 mph H 67%29.77 inHg

6:00 AM

Mostly cloudy night

52° 💧 None 💨 12 mph H 63%29.77 inHg

12:00 PM

Mostly sunny

60° 💧 None 💨 21 mph H 34%29.83 inHg

6:00 PM

Mostly sunny

56° 💧 None 💨 17 mph H 41%29.97 inHg

Thursday

12:00 AM

Clear night

49° 💧 None 💨 8 mph H 50%30.12 inHg

6:00 AM

Clear night

44° 💧 None 💨 4 mph H 52%30.18 inHg

12:00 PM

Sunny

58° 💧 None 💨 5 mph H 32%30.18 inHg

6:00 PM

Mostly cloudy

62° 💧 None 💨 7 mph H 24%30.03 inHg

Friday

12:00 AM

Partly cloudy night

52° 💧 None 💨 4 mph H 42%29.97 inHg

6:00 AM

Mostly cloudy night

46° 💧 None 💨 0 mph H 47%29.91 inHg

12:00 PM

Mostly sunny

65° 💧 None 💨 5 mph H 29%29.88 inHg

6:00 PM

Sunny

70° 💧 None 💨 8 mph H 19%29.83 inHg

Saturday

12:00 AM

Partly cloudy night

55° 💧 None 💨 4 mph H 39%29.97 inHg

6:00 AM

Mostly cloudy night

50° 💧 None 💨 1 mph H 46%30.00 inHg

12:00 PM

Mostly cloudy

64° 💧 None 💨 5 mph H 31%30.03 inHg

6:00 PM

Partly cloudy

66° 💧 None 💨 6 mph H 30%29.94 inHg

Sunday

12:00 AM

Mostly cloudy night

56° 💧 None 💨 5 mph H 38%29.91 inHg

6:00 AM

Mostly clear night

53° 💧 None 💨 3 mph H 44%29.91 inHg

12:00 PM

Sunny

79° 💧 None 💨 2 mph H 22%29.88 inHg

6:00 PM

Sunny

79° 💧 None 💨 3 mph H 28%29.77 inHg

Monday

12:00 AM

Clear night

68° 💧 None 💨 8 mph H 33%29.77 inHg

6:00 AM

Mostly clear night

66° 💧 None 💨 6 mph H 32%29.83 inHg

12:00 PM

Sunny

62° 💧 None 💨 12 mph H 46%30.15 inHg

6:00 PM

Sunny

61° 💧 None 💨 5 mph H 37%30.15 inHg

Tuesday

12:00 AM

Clear night

51° 💧 None 💨 0 mph H 59%30.24 inHg

6:00 AM

Clear night

44° 💧 None 💨 1 mph H 73%30.33 inHg

12:00 PM

Sunny

62° 💧 None 💨 10 mph H 24%30.33 inHg

6:00 PM

Sunny

63° 💧 None 💨 11 mph H 25%30.24 inHg

Wednesday

12:00 AM

Clear night

51° 💧 None 💨 8 mph H 43%30.27 inHg

6:00 AM

Clear night

46° 💧 None 💨 6 mph H 45%30.21 inHg

12:00 PM

Sunny

64° 💧 None 💨 11 mph H 26%30.09 inHg

6:00 PM

Sunny

68° 💧 None 💨 7 mph H 27%29.91 inHg

In Square Butte 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 Square Butte

TomorrowTomorrow

Partly cloudy 84°/54° 💧 None 💨 13 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 89°/58° 💧 0.010 in 💨 13 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 65°/51° 💧 0.002 in 💨 13 mph

Sunday, Sep 27Sun Sep 27

Light rain 66°/46° 💧 0.105 in 💨 10 mph

Monday, Sep 28Mon Sep 28

Overcast 62°/51° 💧 0.006 in 💨 14 mph

Tuesday, Sep 29Tue Sep 29

Partly cloudy 65°/43° 💧 None 💨 7 mph

Wednesday, Sep 30Wed Sep 30

Mostly cloudy 60°/52° 💧 0.162 in 💨 21 mph

Thursday, Oct 1Thu Oct 1

Mostly cloudy 62°/44° 💧 0.002 in 💨 8 mph

Friday, Oct 2Fri Oct 2

Partly cloudy 70°/46° 💧 None 💨 8 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 66°/50° 💧 None 💨 6 mph

Sunday, Oct 4Sun Oct 4

Mostly cloudy 79°/53° 💧 None 💨 5 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 68°/61° 💧 None 💨 12 mph

Tuesday, Oct 6Tue Oct 6

Sunny 63°/44° 💧 None 💨 11 mph

Wednesday, Oct 7Wed Oct 7

Sunny 68°/46° 💧 None 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Square Butte

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Square Butte

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 0,9µg/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 1,1µg/m³

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

O₃ Ozone Good 58,4µg/m³

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

NO₂ Nitrogen dioxide Good 1,5µg/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 Square Butte

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 4,6Moderate 😊Good

Tomorrow UV 4,6Moderate 🙂Fair

Friday UV 4,4Moderate 😐Moderate

Saturday UV 4,1Moderate 🙂Fair

Sunday UV 5,0Moderate 🙂Fair

Monday UV 4,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

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

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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 Square Butte

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SQUARE BUTTE, MONTANA

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

57/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:02 PM–5:25 AM

☁ Cloud cover 59% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 57° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min51%

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.

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Forecast data for Square Butte were last refreshed today at 2:25 AM. The current forecast period extends through 25/09/2026 at 12:00 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.