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

Now · 2:54 AM

Heron Weather & Hourly Forecast

United States · Montana · 59844

47°F

Mostly clear night

Feels like: 46°F

💧 Humidity 92% 🌡 Pressure 29.97 inHg 💨 Wind 0 mph 👁 Visibility 16.2 mi ☁ Clouds 13% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:31 AM 🌇 Sunset 7:41 PM

Hourly Forecast for Heron

Today

3:00 AM

Mostly clear night

47° 💧 None 💨 0 mph H 92%29.97 inHg

6:00 AM

Partly cloudy night

44° 💧 None 💨 0 mph H 94%30.03 inHg

9:00 AM

Mostly cloudy

48° 💧 None 💨 1 mph H 87%30.06 inHg

12:00 PM

Mostly sunny

62° 💧 None 💨 2 mph H 46%30.06 inHg

3:00 PM

Overcast

67° 💧 None 💨 4 mph H 36%30.03 inHg

6:00 PM

Overcast

64° 💧 None 💨 2 mph H 52%30.03 inHg

9:00 PM

Clear night

57° 💧 None 💨 0 mph H 64%30.03 inHg

Tomorrow

12:00 AM

Mostly clear night

50° 💧 None 💨 0 mph H 73%30.03 inHg

3:00 AM

Mostly clear night

46° 💧 None 💨 1 mph H 75%30.06 inHg

6:00 AM

Mostly clear night

45° 💧 None 💨 1 mph H 76%30.06 inHg

9:00 AM

Overcast

50° 💧 None 💨 1 mph H 72%30.03 inHg

12:00 PM

Mostly sunny

67° 💧 None 💨 2 mph H 42%29.97 inHg

3:00 PM

Mostly sunny

76° 💧 None 💨 4 mph H 32%29.85 inHg

6:00 PM

Mostly cloudy

76° 💧 None 💨 1 mph H 43%29.77 inHg

9:00 PM

Partly cloudy night

62° 💧 None 💨 0 mph H 56%29.77 inHg

Friday

12:00 AM

Mostly cloudy night

56° 💧 None 💨 1 mph H 64%29.74 inHg

Today

3:00 AM

Mostly clear night

47° 💧 None 💨 0 mph H 92%29.97 inHg

4:00 AM

Mostly clear night

46° 💧 None 💨 0 mph H 93%30.00 inHg

5:00 AM

Partly cloudy night

45° 💧 None 💨 0 mph H 94%30.00 inHg

6:00 AM

Partly cloudy night

44° 💧 None 💨 0 mph H 94%30.03 inHg

7:00 AM

Partly cloudy night

44° 💧 None 💨 0 mph H 93%30.03 inHg

8:00 AM

Mostly cloudy

44° 💧 None 💨 0 mph H 93%30.06 inHg

9:00 AM

Mostly cloudy

48° 💧 None 💨 1 mph H 87%30.06 inHg

10:00 AM

Mostly cloudy

54° 💧 None 💨 1 mph H 73%30.09 inHg

11:00 AM

Partly cloudy

59° 💧 None 💨 2 mph H 56%30.09 inHg

12:00 PM

Mostly sunny

62° 💧 None 💨 2 mph H 46%30.06 inHg

1:00 PM

Mostly cloudy

65° 💧 None 💨 4 mph H 39%30.06 inHg

2:00 PM

Mostly cloudy

67° 💧 None 💨 4 mph H 36%30.03 inHg

3:00 PM

Overcast

67° 💧 None 💨 4 mph H 36%30.03 inHg

4:00 PM

Overcast

67° 💧 None 💨 4 mph H 38%30.03 inHg

5:00 PM

Overcast

65° 💧 None 💨 3 mph H 41%30.00 inHg

6:00 PM

Overcast

64° 💧 None 💨 2 mph H 52%30.03 inHg

7:00 PM

Mostly cloudy

61° 💧 None 💨 1 mph H 61%30.03 inHg

8:00 PM

Overcast night

58° 💧 None 💨 0 mph H 62%30.03 inHg

9:00 PM

Clear night

57° 💧 None 💨 0 mph H 64%30.03 inHg

10:00 PM

Clear night

53° 💧 None 💨 1 mph H 69%30.03 inHg

11:00 PM

Clear night

51° 💧 None 💨 0 mph H 72%30.06 inHg

Tomorrow

12:00 AM

Mostly clear night

50° 💧 None 💨 0 mph H 73%30.03 inHg

1:00 AM

Clear night

48° 💧 None 💨 0 mph H 74%30.03 inHg

2:00 AM

Mostly clear night

47° 💧 None 💨 1 mph H 75%30.06 inHg

3:00 AM

Mostly clear night

46° 💧 None 💨 1 mph H 75%30.06 inHg

4:00 AM

Mostly cloudy night

46° 💧 None 💨 1 mph H 76%30.06 inHg

5:00 AM

Overcast night

46° 💧 None 💨 1 mph H 76%30.06 inHg

6:00 AM

Mostly clear night

45° 💧 None 💨 1 mph H 76%30.06 inHg

7:00 AM

Clear night

45° 💧 None 💨 0 mph H 78%30.06 inHg

8:00 AM

Mostly cloudy

45° 💧 None 💨 0 mph H 79%30.06 inHg

9:00 AM

Overcast

50° 💧 None 💨 1 mph H 72%30.03 inHg

10:00 AM

Mostly sunny

56° 💧 None 💨 1 mph H 60%30.03 inHg

11:00 AM

Mostly sunny

62° 💧 None 💨 1 mph H 49%30.00 inHg

12:00 PM

Mostly sunny

67° 💧 None 💨 2 mph H 42%29.97 inHg

1:00 PM

Partly cloudy

71° 💧 None 💨 3 mph H 37%29.91 inHg

2:00 PM

Partly cloudy

74° 💧 None 💨 4 mph H 34%29.88 inHg

3:00 PM

Mostly sunny

76° 💧 None 💨 4 mph H 32%29.85 inHg

4:00 PM

Partly cloudy

77° 💧 None 💨 3 mph H 30%29.83 inHg

5:00 PM

Mostly cloudy

78° 💧 None 💨 2 mph H 31%29.80 inHg

6:00 PM

Mostly cloudy

76° 💧 None 💨 1 mph H 43%29.77 inHg

7:00 PM

Mostly cloudy

71° 💧 None 💨 1 mph H 48%29.77 inHg

8:00 PM

Partly cloudy night

65° 💧 None 💨 0 mph H 52%29.77 inHg

9:00 PM

Partly cloudy night

62° 💧 None 💨 0 mph H 56%29.77 inHg

10:00 PM

Mostly cloudy night

60° 💧 None 💨 0 mph H 59%29.77 inHg

11:00 PM

Mostly cloudy night

58° 💧 None 💨 0 mph H 61%29.74 inHg

Friday

12:00 AM

Mostly cloudy night

56° 💧 None 💨 1 mph H 64%29.74 inHg

1:00 AM

Overcast night

55° 💧 None 💨 0 mph H 66%29.71 inHg

2:00 AM

Overcast night

54° 💧 None 💨 0 mph H 67%29.71 inHg

3:00 AM

Overcast night

55° 💧 None 💨 1 mph H 65%29.68 inHg

4:00 AM

Overcast night

53° 💧 None 💨 1 mph H 69%29.68 inHg

5:00 AM

Mostly cloudy night

52° 💧 None 💨 0 mph H 71%29.68 inHg

6:00 AM

Overcast night

52° 💧 None 💨 1 mph H 72%29.68 inHg

7:00 AM

Mostly cloudy night

52° 💧 None 💨 1 mph H 74%29.71 inHg

8:00 AM

Partly cloudy

52° 💧 None 💨 1 mph H 76%29.74 inHg

9:00 AM

Mostly sunny

56° 💧 None 💨 1 mph H 69%29.74 inHg

10:00 AM

Mostly sunny

61° 💧 None 💨 4 mph H 58%29.74 inHg

11:00 AM

Partly cloudy

62° 💧 None 💨 8 mph H 53%29.77 inHg

12:00 PM

Overcast

62° 💧 None 💨 9 mph H 52%29.77 inHg

1:00 PM

Overcast

59° 💧 None 💨 9 mph H 59%29.80 inHg

2:00 PM

Light rain

54° 💧 0.014 in 💨 8 mph H 69%29.85 inHg

3:00 PM

Light rain

50° 💧 0.067 in 💨 4 mph H 92%29.88 inHg

4:00 PM

Light rain

49° 💧 0.025 in 💨 3 mph H 94%29.88 inHg

5:00 PM

Mostly sunny

50° 💧 0.004 in 💨 4 mph H 93%29.88 inHg

6:00 PM

Partly cloudy

51° 💧 0.002 in 💨 4 mph H 84%29.85 inHg

9:00 PM

Overcast night

48° 💧 None 💨 10 mph H 75%29.94 inHg

Saturday

12:00 AM

Light rain

46° 💧 None 💨 11 mph H 81%29.97 inHg

3:00 AM

Mostly clear night

42° 💧 None 💨 9 mph H 81%30.06 inHg

6:00 AM

Partly cloudy night

39° 💧 None 💨 7 mph H 89%30.15 inHg

9:00 AM

Mostly cloudy

41° 💧 None 💨 5 mph H 81%30.21 inHg

12:00 PM

Overcast

47° 💧 None 💨 7 mph H 61%30.18 inHg

3:00 PM

Overcast

51° 💧 None 💨 6 mph H 52%30.15 inHg

6:00 PM

Partly cloudy

52° 💧 None 💨 3 mph H 47%30.09 inHg

9:00 PM

Mostly cloudy night

44° 💧 None 💨 0 mph H 71%30.12 inHg

Sunday

12:00 AM

Overcast night

41° 💧 None 💨 1 mph H 78%30.09 inHg

3:00 AM

Overcast night

38° 💧 None 💨 1 mph H 84%30.09 inHg

6:00 AM

Overcast night

39° 💧 None 💨 1 mph H 86%30.06 inHg

9:00 AM

Overcast

43° 💧 None 💨 1 mph H 78%30.03 inHg

12:00 PM

Overcast

52° 💧 None 💨 1 mph H 55%29.97 inHg

3:00 PM

Overcast

59° 💧 None 💨 3 mph H 32%29.91 inHg

6:00 PM

Overcast

56° 💧 None 💨 5 mph H 45%29.91 inHg

9:00 PM

Partly cloudy night

46° 💧 None 💨 2 mph H 67%29.97 inHg

Monday

12:00 AM

Clear night

39° 💧 None 💨 2 mph H 70%29.97 inHg

3:00 AM

Mostly clear night

37° 💧 None 💨 2 mph H 75%30.00 inHg

6:00 AM

Mostly clear night

35° 💧 None 💨 2 mph H 84%30.09 inHg

9:00 AM

Mostly sunny

40° 💧 None 💨 1 mph H 78%30.12 inHg

12:00 PM

Overcast

54° 💧 None 💨 3 mph H 43%30.09 inHg

3:00 PM

Overcast

57° 💧 None 💨 7 mph H 40%30.06 inHg

6:00 PM

Mostly sunny

54° 💧 None 💨 5 mph H 47%30.06 inHg

Tuesday

12:00 AM

Clear night

38° 💧 None 💨 2 mph H 83%30.09 inHg

6:00 AM

Mostly cloudy night

35° 💧 None 💨 1 mph H 88%30.06 inHg

12:00 PM

Overcast

48° 💧 None 💨 1 mph H 72%30.03 inHg

6:00 PM

Light rain

49° 💧 None 💨 3 mph H 83%29.88 inHg

Wednesday

12:00 AM

Light rain

45° 💧 None 💨 5 mph H 95%29.91 inHg

6:00 AM

Light rain

44° 💧 None 💨 7 mph H 97%29.94 inHg

12:00 PM

Mostly sunny

50° 💧 None 💨 10 mph H 60%30.09 inHg

6:00 PM

Partly cloudy

54° 💧 None 💨 7 mph H 43%30.12 inHg

Thursday

12:00 AM

Mostly clear night

38° 💧 None 💨 1 mph H 85%30.21 inHg

6:00 AM

Mostly clear night

35° 💧 None 💨 2 mph H 85%30.18 inHg

12:00 PM

Partly cloudy

53° 💧 None 💨 4 mph H 47%30.09 inHg

6:00 PM

Overcast

59° 💧 None 💨 2 mph H 51%29.94 inHg

Friday

12:00 AM

Mostly cloudy night

45° 💧 None 💨 1 mph H 62%29.94 inHg

6:00 AM

Clear night

39° 💧 None 💨 1 mph H 70%29.97 inHg

12:00 PM

Partly cloudy

58° 💧 None 💨 2 mph H 40%30.03 inHg

6:00 PM

Overcast

59° 💧 None 💨 3 mph H 43%30.00 inHg

Saturday

12:00 AM

Overcast night

43° 💧 None 💨 1 mph H 75%30.06 inHg

6:00 AM

Partly cloudy night

40° 💧 None 💨 0 mph H 77%30.09 inHg

12:00 PM

Partly cloudy

60° 💧 None 💨 1 mph H 45%30.09 inHg

6:00 PM

Overcast

62° 💧 None 💨 3 mph H 47%30.03 inHg

Sunday

12:00 AM

Clear night

47° 💧 None 💨 1 mph H 73%30.09 inHg

6:00 AM

Clear night

44° 💧 None 💨 1 mph H 72%30.06 inHg

12:00 PM

Sunny

66° 💧 None 💨 2 mph H 38%30.00 inHg

6:00 PM

Sunny

71° 💧 None 💨 4 mph H 35%29.85 inHg

Monday

12:00 AM

Clear night

51° 💧 None 💨 3 mph H 53%29.91 inHg

6:00 AM

Clear night

44° 💧 None 💨 1 mph H 71%30.00 inHg

12:00 PM

Sunny

64° 💧 None 💨 1 mph H 42%30.09 inHg

6:00 PM

Sunny

67° 💧 None 💨 2 mph H 43%30.06 inHg

Tuesday

12:00 AM

Clear night

52° 💧 None 💨 0 mph H 60%30.12 inHg

6:00 AM

Clear night

46° 💧 None 💨 1 mph H 71%30.15 inHg

12:00 PM

Sunny

63° 💧 None 💨 3 mph H 45%30.15 inHg

6:00 PM

Sunny

69° 💧 None 💨 3 mph H 46%30.03 inHg

Wednesday

12:00 AM

Clear night

51° 💧 None 💨 3 mph H 72%30.03 inHg

6:00 AM

Mostly clear night

45° 💧 None 💨 4 mph H 82%29.97 inHg

12:00 PM

Sunny

66° 💧 None 💨 3 mph H 46%29.91 inHg

6:00 PM

Sunny

74° 💧 None 💨 3 mph H 34%29.80 inHg

In Heron 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 Heron

TomorrowTomorrow

Mostly sunny 78°/45° 💧 None 💨 4 mph

Friday, Sep 25Fri Sep 25

Light rain 62°/48° 💧 0.135 in 💨 10 mph

Saturday, Sep 26Sat Sep 26

Light rain 52°/39° 💧 0.019 in 💨 11 mph

Sunday, Sep 27Sun Sep 27

Overcast 59°/38° 💧 0.002 in 💨 5 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 57°/35° 💧 None 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Light rain 49°/35° 💧 0.061 in 💨 3 mph

Wednesday, Sep 30Wed Sep 30

Light rain 54°/44° 💧 0.223 in 💨 10 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 59°/35° 💧 None 💨 4 mph

Friday, Oct 2Fri Oct 2

Mostly cloudy 59°/39° 💧 None 💨 3 mph

Saturday, Oct 3Sat Oct 3

Overcast 62°/40° 💧 None 💨 3 mph

Sunday, Oct 4Sun Oct 4

Sunny 71°/44° 💧 None 💨 4 mph

Monday, Oct 5Mon Oct 5

Sunny 67°/44° 💧 None 💨 3 mph

Tuesday, Oct 6Tue Oct 6

Sunny 69°/46° 💧 None 💨 3 mph

Wednesday, Oct 7Wed Oct 7

Mostly sunny 74°/45° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Heron

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Heron

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 4,1µg/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 4,8µg/m³

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

O₃ Ozone Fair 64,3µg/m³

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

NO₂ Nitrogen dioxide Good 2,4µg/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 Heron

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 4,2Moderate 🙂Fair

Tomorrow UV 4,0Moderate 😐Moderate

Friday UV 3,1Moderate 🙂Fair

Saturday UV 3,8Moderate 🙂Fair

Sunday UV 3,0Moderate 😊Good

Monday UV 2,0Low —Unavailable

Tuesday UV 3,0Moderate —Unavailable

Hourly UV index today

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

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 Heron

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HERON, MONTANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

85/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:27 PM–5:47 AM

☁ Cloud cover 13% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon about 8° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 48° 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 min38%

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 Heron were last refreshed today at 2:54 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.