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Current weather in Pioneer Junction is overcast clouds.

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Weather data for Pioneer Junction is updated regularly with the latest available observations and forecasts.

Now · 1:04 PM

Pioneer Junction Weather & Hourly Forecast

United States · Montana · 59923

70°F

Overcast

Feels like: 68°F

💧 Humidity 42% 🌡 Pressure 29.85 inHg 💨 Wind 2 mph 👁 Visibility 27.5 mi ☁ Clouds 99% ☀️ UV index 3.7 · Moderate 🌅 Sunrise 7:27 AM 🌇 Sunset 7:41 PM

Hourly Forecast for Pioneer Junction

Today

2:00 PM

Overcast

73° 💧 None 💨 2 mph H 38%29.83 inHg

5:00 PM

Overcast

74° 💧 None 💨 2 mph H 33%29.83 inHg

8:00 PM

Overcast night

62° 💧 None 💨 2 mph H 56%29.83 inHg

11:00 PM

Partly cloudy night

53° 💧 None 💨 2 mph H 85%29.88 inHg

Tomorrow

2:00 AM

Clear night

48° 💧 None 💨 2 mph H 94%29.94 inHg

5:00 AM

Mostly clear night

44° 💧 None 💨 2 mph H 93%29.97 inHg

8:00 AM

Mostly cloudy

43° 💧 None 💨 2 mph H 89%30.03 inHg

11:00 AM

Mostly cloudy

60° 💧 None 💨 1 mph H 54%30.06 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 2 mph H 35%30.00 inHg

5:00 PM

Overcast

68° 💧 None 💨 2 mph H 34%30.00 inHg

8:00 PM

Mostly clear night

59° 💧 None 💨 1 mph H 54%30.00 inHg

11:00 PM

Clear night

49° 💧 None 💨 1 mph H 78%30.03 inHg

Thursday

2:00 AM

Partly cloudy night

45° 💧 None 💨 1 mph H 82%30.06 inHg

5:00 AM

Mostly clear night

44° 💧 None 💨 0 mph H 78%30.06 inHg

8:00 AM

Mostly sunny

44° 💧 None 💨 1 mph H 77%30.06 inHg

11:00 AM

Sunny

59° 💧 None 💨 1 mph H 52%30.03 inHg

Today

2:00 PM

Overcast

73° 💧 None 💨 2 mph H 38%29.83 inHg

3:00 PM

Overcast

75° 💧 None 💨 0 mph H 34%29.83 inHg

4:00 PM

Overcast

75° 💧 None 💨 3 mph H 31%29.83 inHg

5:00 PM

Overcast

74° 💧 None 💨 2 mph H 33%29.83 inHg

6:00 PM

Overcast

73° 💧 None 💨 1 mph H 42%29.80 inHg

7:00 PM

Overcast

68° 💧 None 💨 2 mph H 48%29.83 inHg

8:00 PM

Overcast night

62° 💧 None 💨 2 mph H 56%29.83 inHg

9:00 PM

Overcast night

59° 💧 None 💨 3 mph H 67%29.85 inHg

10:00 PM

Overcast night

56° 💧 None 💨 3 mph H 78%29.88 inHg

11:00 PM

Partly cloudy night

53° 💧 None 💨 2 mph H 85%29.88 inHg

Tomorrow

12:00 AM

Clear night

51° 💧 None 💨 2 mph H 90%29.91 inHg

1:00 AM

Clear night

49° 💧 None 💨 2 mph H 92%29.94 inHg

2:00 AM

Clear night

48° 💧 None 💨 2 mph H 94%29.94 inHg

3:00 AM

Clear night

46° 💧 None 💨 2 mph H 94%29.94 inHg

4:00 AM

Clear night

45° 💧 None 💨 2 mph H 94%29.97 inHg

5:00 AM

Mostly clear night

44° 💧 None 💨 2 mph H 93%29.97 inHg

6:00 AM

Mostly clear night

43° 💧 None 💨 2 mph H 91%30.00 inHg

7:00 AM

Mostly clear night

43° 💧 None 💨 2 mph H 90%30.00 inHg

8:00 AM

Mostly cloudy

43° 💧 None 💨 2 mph H 89%30.03 inHg

9:00 AM

Mostly cloudy

50° 💧 None 💨 2 mph H 77%30.06 inHg

10:00 AM

Mostly cloudy

55° 💧 None 💨 1 mph H 66%30.06 inHg

11:00 AM

Mostly cloudy

60° 💧 None 💨 1 mph H 54%30.06 inHg

12:00 PM

Mostly cloudy

64° 💧 None 💨 1 mph H 45%30.03 inHg

1:00 PM

Partly cloudy

66° 💧 None 💨 1 mph H 39%30.03 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 2 mph H 35%30.00 inHg

3:00 PM

Overcast

69° 💧 None 💨 3 mph H 33%30.00 inHg

4:00 PM

Overcast

69° 💧 None 💨 3 mph H 32%30.00 inHg

5:00 PM

Overcast

68° 💧 None 💨 2 mph H 34%30.00 inHg

6:00 PM

Mostly cloudy

65° 💧 None 💨 2 mph H 47%30.00 inHg

7:00 PM

Mostly cloudy

63° 💧 None 💨 1 mph H 50%30.00 inHg

8:00 PM

Mostly clear night

59° 💧 None 💨 1 mph H 54%30.00 inHg

9:00 PM

Partly cloudy night

54° 💧 None 💨 1 mph H 63%30.00 inHg

10:00 PM

Mostly clear night

51° 💧 None 💨 2 mph H 72%30.03 inHg

11:00 PM

Clear night

49° 💧 None 💨 1 mph H 78%30.03 inHg

Thursday

12:00 AM

Clear night

47° 💧 None 💨 1 mph H 80%30.03 inHg

1:00 AM

Partly cloudy night

46° 💧 None 💨 1 mph H 82%30.03 inHg

2:00 AM

Partly cloudy night

45° 💧 None 💨 1 mph H 82%30.06 inHg

3:00 AM

Mostly clear night

44° 💧 None 💨 1 mph H 81%30.06 inHg

4:00 AM

Mostly clear night

44° 💧 None 💨 1 mph H 79%30.06 inHg

5:00 AM

Mostly clear night

44° 💧 None 💨 0 mph H 78%30.06 inHg

6:00 AM

Mostly cloudy night

44° 💧 None 💨 0 mph H 79%30.06 inHg

7:00 AM

Mostly clear night

43° 💧 None 💨 1 mph H 78%30.06 inHg

8:00 AM

Mostly sunny

44° 💧 None 💨 1 mph H 77%30.06 inHg

9:00 AM

Partly cloudy

50° 💧 None 💨 1 mph H 68%30.06 inHg

10:00 AM

Partly cloudy

55° 💧 None 💨 1 mph H 57%30.06 inHg

11:00 AM

Sunny

59° 💧 None 💨 1 mph H 52%30.03 inHg

12:00 PM

Mostly sunny

63° 💧 None 💨 1 mph H 47%30.00 inHg

1:00 PM

Partly cloudy

67° 💧 None 💨 1 mph H 41%29.94 inHg

2:00 PM

Partly cloudy

70° 💧 None 💨 1 mph H 38%29.91 inHg

3:00 PM

Partly cloudy

73° 💧 None 💨 1 mph H 36%29.85 inHg

4:00 PM

Mostly cloudy

74° 💧 None 💨 1 mph H 35%29.83 inHg

5:00 PM

Mostly cloudy

74° 💧 None 💨 2 mph H 36%29.80 inHg

6:00 PM

Mostly cloudy

73° 💧 None 💨 1 mph H 43%29.80 inHg

7:00 PM

Mostly sunny

68° 💧 None 💨 1 mph H 54%29.77 inHg

8:00 PM

Partly cloudy night

63° 💧 None 💨 1 mph H 57%29.77 inHg

9:00 PM

Partly cloudy night

61° 💧 None 💨 1 mph H 61%29.77 inHg

10:00 PM

Partly cloudy night

59° 💧 None 💨 1 mph H 64%29.77 inHg

11:00 PM

Mostly cloudy night

57° 💧 None 💨 1 mph H 65%29.77 inHg

Friday

12:00 AM

Mostly cloudy night

56° 💧 None 💨 1 mph H 66%29.77 inHg

1:00 AM

Partly cloudy night

55° 💧 None 💨 1 mph H 66%29.74 inHg

2:00 AM

Mostly cloudy night

54° 💧 None 💨 1 mph H 69%29.74 inHg

3:00 AM

Partly cloudy night

54° 💧 0.001 in 💨 1 mph H 70%29.74 inHg

4:00 AM

Mostly cloudy night

53° 💧 0.001 in 💨 1 mph H 73%29.74 inHg

5:00 AM

Mostly cloudy night

51° 💧 None 💨 1 mph H 75%29.74 inHg

6:00 AM

Mostly cloudy night

51° 💧 None 💨 1 mph H 78%29.74 inHg

9:00 AM

Partly cloudy

56° 💧 None 💨 1 mph H 66%29.68 inHg

12:00 PM

Partly cloudy

69° 💧 None 💨 0 mph H 42%29.65 inHg

3:00 PM

Mostly cloudy

68° 💧 None 💨 7 mph H 42%29.62 inHg

6:00 PM

Light rain

56° 💧 None 💨 6 mph H 71%29.74 inHg

9:00 PM

Mostly cloudy night

49° 💧 None 💨 3 mph H 94%29.77 inHg

Saturday

12:00 AM

Light rain

47° 💧 None 💨 5 mph H 92%29.83 inHg

3:00 AM

Moderate rain

42° 💧 None 💨 6 mph H 95%29.88 inHg

6:00 AM

Light rain

42° 💧 None 💨 3 mph H 96%29.94 inHg

9:00 AM

Light rain

42° 💧 None 💨 5 mph H 96%30.03 inHg

12:00 PM

Mostly cloudy

46° 💧 None 💨 5 mph H 78%30.06 inHg

3:00 PM

Light rain

48° 💧 None 💨 6 mph H 69%30.06 inHg

6:00 PM

Partly cloudy

49° 💧 None 💨 5 mph H 64%30.03 inHg

9:00 PM

Clear night

41° 💧 None 💨 2 mph H 87%30.06 inHg

Sunday

12:00 AM

Clear night

36° 💧 None 💨 2 mph H 92%30.06 inHg

3:00 AM

Mostly clear night

34° 💧 None 💨 1 mph H 91%30.09 inHg

6:00 AM

Overcast night

34° 💧 None 💨 1 mph H 86%30.09 inHg

9:00 AM

Overcast

39° 💧 None 💨 1 mph H 78%30.09 inHg

12:00 PM

Mostly cloudy

50° 💧 None 💨 2 mph H 54%30.03 inHg

3:00 PM

Mostly cloudy

56° 💧 None 💨 3 mph H 40%29.94 inHg

6:00 PM

Mostly cloudy

55° 💧 None 💨 3 mph H 41%29.91 inHg

9:00 PM

Mostly cloudy night

47° 💧 None 💨 1 mph H 57%29.91 inHg

Monday

12:00 AM

Overcast night

45° 💧 None 💨 1 mph H 62%29.94 inHg

6:00 AM

Mostly cloudy night

45° 💧 None 💨 1 mph H 66%29.97 inHg

12:00 PM

Sunny

40° 💧 None 💨 1 mph H 69%29.97 inHg

6:00 PM

Partly cloudy

56° 💧 None 💨 2 mph H 45%29.97 inHg

Tuesday

12:00 AM

Clear night

63° 💧 None 💨 2 mph H 35%29.85 inHg

6:00 AM

Mostly clear night

40° 💧 None 💨 3 mph H 83%29.91 inHg

12:00 PM

Mostly cloudy

37° 💧 None 💨 2 mph H 84%29.91 inHg

6:00 PM

Mostly sunny

59° 💧 None 💨 0 mph H 42%29.88 inHg

Wednesday

12:00 AM

Partly cloudy night

62° 💧 None 💨 4 mph H 33%29.77 inHg

6:00 AM

Clear night

42° 💧 None 💨 3 mph H 72%29.77 inHg

12:00 PM

Partly cloudy

41° 💧 None 💨 1 mph H 70%29.74 inHg

6:00 PM

Mostly cloudy

55° 💧 None 💨 4 mph H 68%29.85 inHg

Thursday

12:00 AM

Mostly cloudy night

58° 💧 None 💨 3 mph H 53%29.85 inHg

6:00 AM

Overcast night

44° 💧 None 💨 2 mph H 86%29.85 inHg

12:00 PM

Mostly cloudy

43° 💧 None 💨 1 mph H 80%29.85 inHg

6:00 PM

Overcast

56° 💧 None 💨 1 mph H 55%29.88 inHg

Friday

12:00 AM

Clear night

60° 💧 None 💨 1 mph H 38%29.85 inHg

6:00 AM

Clear night

39° 💧 None 💨 2 mph H 84%29.94 inHg

12:00 PM

Mostly sunny

37° 💧 None 💨 1 mph H 74%29.97 inHg

6:00 PM

Partly cloudy

55° 💧 None 💨 2 mph H 45%29.94 inHg

Saturday

12:00 AM

Clear night

61° 💧 None 💨 0 mph H 36%29.88 inHg

6:00 AM

Clear night

38° 💧 None 💨 3 mph H 79%30.03 inHg

12:00 PM

Sunny

34° 💧 None 💨 2 mph H 86%30.15 inHg

6:00 PM

Sunny

55° 💧 None 💨 2 mph H 45%30.21 inHg

Sunday

12:00 AM

Mostly clear night

60° 💧 None 💨 1 mph H 41%30.18 inHg

6:00 AM

Partly cloudy night

42° 💧 None 💨 2 mph H 74%30.24 inHg

12:00 PM

Mostly cloudy

40° 💧 None 💨 1 mph H 75%30.24 inHg

6:00 PM

Partly cloudy

58° 💧 None 💨 2 mph H 47%30.15 inHg

Monday

12:00 AM

Mostly cloudy night

63° 💧 None 💨 0 mph H 54%30.00 inHg

6:00 AM

Mostly cloudy night

45° 💧 None 💨 2 mph H 79%30.00 inHg

12:00 PM

Sunny

41° 💧 None 💨 1 mph H 78%30.06 inHg

6:00 PM

Mostly sunny

61° 💧 None 💨 2 mph H 43%30.12 inHg

Tuesday

12:00 AM

Mostly clear night

67° 💧 None 💨 1 mph H 50%30.00 inHg

6:00 AM

Clear night

50° 💧 None 💨 1 mph H 68%30.06 inHg

12:00 PM

Sunny

45° 💧 None 💨 1 mph H 69%30.09 inHg

6:00 PM

Mostly sunny

64° 💧 None 💨 2 mph H 43%30.06 inHg

Wednesday

12:00 AM

Partly cloudy night

69° 💧 None 💨 2 mph H 46%29.94 inHg

In Pioneer Junction 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 Pioneer Junction

TomorrowTomorrow

Mostly sunny 68°/42° 💧 None 💨 3 mph

Thursday, Sep 24Thu Sep 24

Partly cloudy 75°/43° 💧 None 💨 2 mph

Friday, Sep 25Fri Sep 25

Light rain 69°/49° 💧 0.041 in 💨 7 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 49°/41° 💧 0.458 in 💨 6 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 56°/34° 💧 None 💨 3 mph

Monday, Sep 28Mon Sep 28

Overcast 56°/40° 💧 None 💨 2 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 63°/37° 💧 None 💨 3 mph

Wednesday, Sep 30Wed Sep 30

Mostly cloudy 62°/41° 💧 0.024 in 💨 4 mph

Thursday, Oct 1Thu Oct 1

Mostly cloudy 58°/43° 💧 0.002 in 💨 3 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 60°/37° 💧 None 💨 2 mph

Saturday, Oct 3Sat Oct 3

Sunny 61°/34° 💧 None 💨 3 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 60°/40° 💧 None 💨 2 mph

Monday, Oct 5Mon Oct 5

Mostly cloudy 63°/41° 💧 None 💨 2 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 67°/45° 💧 None 💨 2 mph

Wednesday, Oct 7Wed Oct 7

Partly cloudy 69°/69° 💧 None 💨 2 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Pioneer Junction

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Pioneer Junction

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 4,3µg/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 5,8µg/m³

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

O₃ Ozone Fair 91,0µg/m³

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

NO₂ Nitrogen dioxide Good 0,8µg/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 Pioneer Junction

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 3,9Moderate 🙂Fair

Tomorrow UV 4,1Moderate 🙂Fair

Thursday UV 4,3Moderate 😐Moderate

Friday UV 1,3Low 🙂Fair

Saturday UV 3,0Moderate 🙂Fair

Sunday UV 4,0Moderate —Unavailable

Monday UV 3,0Moderate —Unavailable

Hourly UV index today

2:00 PMUV 3,9 3:00 PMUV 3,4 4:00 PMUV 2,5 5:00 PMUV 1,4 6:00 PMUV 0,5 7:00 PMUV 0,1

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 Pioneer Junction

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · PIONEER JUNCTION, MONTANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

94/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:25 PM–5:45 AM

☁ Cloud cover 3% 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 54° 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 min67%

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 Pioneer Junction were last refreshed today at 1:04 PM. The current forecast period extends through 24/09/2026 at 11:00 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.