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Current weather in Heron is overcast clouds.

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

Now · 11:30 PM

Heron Weather & Hourly Forecast

United States · Montana · 59844

48°F

Overcast night

Feels like: 45°F

💧 Humidity 83% 🌡 Pressure 29.83 inHg 💨 Wind 2 mph 👁 Visibility 20.0 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Heron

Tomorrow

12:00 AM

Overcast night

48° 💧 None 💨 2 mph H 83%29.83 inHg

3:00 AM

Overcast night

47° 💧 0.007 in 💨 3 mph H 81%29.77 inHg

6:00 AM

Light rain

48° 💧 0.035 in 💨 1 mph H 85%29.77 inHg

9:00 AM

Light rain

49° 💧 0.046 in 💨 2 mph H 96%29.83 inHg

12:00 PM

Light rain

51° 💧 0.253 in 💨 1 mph H 95%29.85 inHg

3:00 PM

Light rain

47° 💧 0.076 in 💨 2 mph H 97%29.94 inHg

6:00 PM

Light rain

49° 💧 0.136 in 💨 1 mph H 94%29.94 inHg

9:00 PM

Light rain

45° 💧 0.032 in 💨 2 mph H 94%29.97 inHg

Monday

12:00 AM

Light rain

46° 💧 0.110 in 💨 2 mph H 97%29.97 inHg

3:00 AM

Light rain

46° 💧 0.126 in 💨 2 mph H 98%29.97 inHg

6:00 AM

Light rain

46° 💧 0.039 in 💨 1 mph H 98%29.97 inHg

9:00 AM

Light rain

47° 💧 0.036 in 💨 3 mph H 98%30.03 inHg

12:00 PM

Light rain

51° 💧 0.026 in 💨 3 mph H 87%30.09 inHg

3:00 PM

Light rain

55° 💧 0.012 in 💨 4 mph H 69%30.06 inHg

6:00 PM

Overcast

56° 💧 0.001 in 💨 3 mph H 66%30.06 inHg

9:00 PM

Mostly clear night

49° 💧 None 💨 1 mph H 81%30.06 inHg

Tomorrow

12:00 AM

Overcast night

48° 💧 None 💨 2 mph H 83%29.83 inHg

1:00 AM

Overcast night

48° 💧 None 💨 2 mph H 80%29.80 inHg

2:00 AM

Mostly cloudy night

48° 💧 None 💨 2 mph H 79%29.80 inHg

3:00 AM

Overcast night

47° 💧 None 💨 3 mph H 81%29.77 inHg

4:00 AM

Overcast night

48° 💧 None 💨 2 mph H 81%29.77 inHg

5:00 AM

Light rain

48° 💧 0.007 in 💨 2 mph H 83%29.77 inHg

6:00 AM

Light rain

48° 💧 0.015 in 💨 1 mph H 85%29.77 inHg

7:00 AM

Light rain

47° 💧 0.008 in 💨 2 mph H 88%29.77 inHg

8:00 AM

Light rain

48° 💧 0.011 in 💨 1 mph H 90%29.80 inHg

9:00 AM

Light rain

49° 💧 0.035 in 💨 2 mph H 96%29.83 inHg

10:00 AM

Overcast

52° 💧 0.001 in 💨 1 mph H 92%29.83 inHg

11:00 AM

Light rain

51° 💧 0.009 in 💨 0 mph H 92%29.83 inHg

12:00 PM

Light rain

51° 💧 0.041 in 💨 1 mph H 95%29.85 inHg

1:00 PM

Light rain

50° 💧 0.088 in 💨 4 mph H 96%29.88 inHg

2:00 PM

Moderate rain

48° 💧 0.124 in 💨 4 mph H 96%29.91 inHg

3:00 PM

Light rain

47° 💧 0.049 in 💨 2 mph H 97%29.94 inHg

4:00 PM

Light rain

48° 💧 0.020 in 💨 2 mph H 95%29.94 inHg

5:00 PM

Light rain

50° 💧 0.008 in 💨 2 mph H 91%29.94 inHg

6:00 PM

Light rain

49° 💧 0.046 in 💨 1 mph H 94%29.94 inHg

7:00 PM

Light rain

48° 💧 0.080 in 💨 1 mph H 95%29.94 inHg

8:00 PM

Light rain

46° 💧 0.010 in 💨 2 mph H 96%29.97 inHg

9:00 PM

Light rain

45° 💧 0.010 in 💨 2 mph H 94%29.97 inHg

10:00 PM

Light rain

45° 💧 0.006 in 💨 2 mph H 94%29.97 inHg

11:00 PM

Light rain

46° 💧 0.016 in 💨 2 mph H 97%30.00 inHg

Monday

12:00 AM

Light rain

46° 💧 0.023 in 💨 2 mph H 97%29.97 inHg

1:00 AM

Light rain

45° 💧 0.040 in 💨 2 mph H 98%29.97 inHg

2:00 AM

Light rain

45° 💧 0.046 in 💨 2 mph H 98%29.97 inHg

3:00 AM

Light rain

46° 💧 0.048 in 💨 2 mph H 98%29.97 inHg

4:00 AM

Light rain

46° 💧 0.043 in 💨 1 mph H 98%29.97 inHg

5:00 AM

Light rain

46° 💧 0.035 in 💨 1 mph H 98%29.97 inHg

6:00 AM

Light rain

46° 💧 0.013 in 💨 1 mph H 98%29.97 inHg

7:00 AM

Light rain

46° 💧 0.012 in 💨 1 mph H 98%30.00 inHg

8:00 AM

Light rain

47° 💧 0.014 in 💨 2 mph H 99%30.00 inHg

9:00 AM

Light rain

47° 💧 0.013 in 💨 3 mph H 98%30.03 inHg

10:00 AM

Light rain

48° 💧 0.013 in 💨 3 mph H 97%30.06 inHg

11:00 AM

Light rain

49° 💧 0.011 in 💨 3 mph H 94%30.09 inHg

12:00 PM

Light rain

51° 💧 0.010 in 💨 3 mph H 87%30.09 inHg

1:00 PM

Light rain

52° 💧 0.009 in 💨 4 mph H 80%30.09 inHg

2:00 PM

Light rain

54° 💧 0.007 in 💨 4 mph H 74%30.06 inHg

3:00 PM

Light rain

55° 💧 0.006 in 💨 4 mph H 69%30.06 inHg

4:00 PM

Overcast

55° 💧 0.004 in 💨 4 mph H 67%30.06 inHg

5:00 PM

Overcast

56° 💧 0.002 in 💨 4 mph H 66%30.06 inHg

6:00 PM

Overcast

56° 💧 0.001 in 💨 3 mph H 66%30.06 inHg

7:00 PM

Mostly cloudy

55° 💧 0.000 in 💨 1 mph H 77%30.06 inHg

8:00 PM

Partly cloudy

51° 💧 None 💨 1 mph H 77%30.06 inHg

9:00 PM

Mostly clear night

49° 💧 None 💨 1 mph H 81%30.06 inHg

10:00 PM

Mostly clear night

47° 💧 None 💨 1 mph H 84%30.06 inHg

11:00 PM

Mostly clear night

46° 💧 None 💨 0 mph H 86%30.06 inHg

Tuesday

12:00 AM

Partly cloudy night

45° 💧 None 💨 0 mph H 89%30.06 inHg

1:00 AM

Mostly cloudy night

44° 💧 None 💨 0 mph H 90%30.06 inHg

2:00 AM

Overcast night

43° 💧 None 💨 0 mph H 90%30.03 inHg

3:00 AM

Overcast night

42° 💧 None 💨 0 mph H 91%30.03 inHg

4:00 AM

Overcast night

42° 💧 None 💨 0 mph H 91%30.03 inHg

5:00 AM

Overcast night

43° 💧 None 💨 0 mph H 91%30.03 inHg

6:00 AM

Overcast night

43° 💧 None 💨 0 mph H 92%30.03 inHg

3:00 PM

Overcast

57° 💧 None 💨 2 mph H 58%30.00 inHg

6:00 PM

Overcast

55° 💧 None 💨 2 mph H 65%30.00 inHg

9:00 PM

Light rain

49° 💧 None 💨 1 mph H 78%30.06 inHg

Wednesday

12:00 AM

Overcast night

47° 💧 None 💨 1 mph H 85%30.09 inHg

3:00 AM

Mostly cloudy night

44° 💧 None 💨 0 mph H 92%30.12 inHg

6:00 AM

Partly cloudy night

42° 💧 None 💨 1 mph H 99%30.15 inHg

9:00 AM

Partly cloudy

46° 💧 None 💨 1 mph H 97%30.24 inHg

12:00 PM

Mostly sunny

57° 💧 None 💨 2 mph H 65%30.21 inHg

3:00 PM

Sunny

66° 💧 None 💨 4 mph H 45%30.12 inHg

6:00 PM

Sunny

66° 💧 None 💨 3 mph H 45%30.06 inHg

9:00 PM

Clear night

55° 💧 None 💨 1 mph H 70%30.09 inHg

Thursday

12:00 AM

Clear night

50° 💧 None 💨 0 mph H 76%30.09 inHg

3:00 AM

Clear night

47° 💧 None 💨 1 mph H 82%30.09 inHg

6:00 AM

Mostly clear night

43° 💧 None 💨 2 mph H 93%30.09 inHg

9:00 AM

Mostly sunny

49° 💧 None 💨 2 mph H 88%30.12 inHg

12:00 PM

Mostly sunny

63° 💧 None 💨 2 mph H 55%30.09 inHg

3:00 PM

Mostly sunny

72° 💧 None 💨 4 mph H 38%30.00 inHg

6:00 PM

Sunny

71° 💧 None 💨 4 mph H 41%29.97 inHg

9:00 PM

Overcast night

58° 💧 None 💨 2 mph H 70%30.03 inHg

Friday

12:00 AM

Mostly clear night

53° 💧 None 💨 1 mph H 75%30.03 inHg

3:00 AM

Mostly clear night

50° 💧 None 💨 1 mph H 80%30.06 inHg

6:00 AM

Clear night

48° 💧 None 💨 1 mph H 85%30.09 inHg

9:00 AM

Mostly sunny

51° 💧 None 💨 1 mph H 86%30.12 inHg

12:00 PM

Mostly sunny

65° 💧 None 💨 2 mph H 51%30.09 inHg

6:00 PM

Sunny

66° 💧 None 💨 2 mph H 48%30.21 inHg

Saturday

12:00 AM

Clear night

71° 💧 None 💨 2 mph H 35%30.15 inHg

6:00 AM

Clear night

55° 💧 None 💨 1 mph H 56%30.15 inHg

12:00 PM

Sunny

47° 💧 None 💨 2 mph H 78%30.18 inHg

6:00 PM

Sunny

67° 💧 None 💨 3 mph H 46%30.12 inHg

Sunday

12:00 AM

Clear night

74° 💧 None 💨 2 mph H 36%29.97 inHg

6:00 AM

Clear night

55° 💧 None 💨 1 mph H 68%30.00 inHg

12:00 PM

Mostly cloudy

50° 💧 None 💨 1 mph H 67%30.03 inHg

6:00 PM

Sunny

70° 💧 None 💨 2 mph H 45%30.03 inHg

Monday

12:00 AM

Clear night

73° 💧 None 💨 3 mph H 36%29.94 inHg

6:00 AM

Overcast night

57° 💧 None 💨 0 mph H 54%29.94 inHg

12:00 PM

Overcast

52° 💧 None 💨 1 mph H 66%29.94 inHg

6:00 PM

Overcast

63° 💧 None 💨 0 mph H 57%29.94 inHg

Tuesday

12:00 AM

Overcast night

66° 💧 None 💨 4 mph H 52%29.88 inHg

6:00 AM

Partly cloudy night

51° 💧 None 💨 2 mph H 82%29.94 inHg

12:00 PM

Mostly cloudy

47° 💧 None 💨 2 mph H 92%29.97 inHg

6:00 PM

Partly cloudy

64° 💧 None 💨 3 mph H 60%29.97 inHg

Wednesday

12:00 AM

Clear night

65° 💧 None 💨 5 mph H 58%29.91 inHg

6:00 AM

Clear night

51° 💧 None 💨 1 mph H 88%30.00 inHg

12:00 PM

Mostly sunny

47° 💧 None 💨 1 mph H 96%30.03 inHg

6:00 PM

Mostly sunny

64° 💧 None 💨 3 mph H 63%30.00 inHg

Thursday

12:00 AM

Mostly cloudy night

70° 💧 None 💨 4 mph H 42%29.88 inHg

6:00 AM

Clear night

54° 💧 None 💨 2 mph H 73%29.91 inHg

12:00 PM

Partly cloudy

49° 💧 None 💨 1 mph H 75%29.94 inHg

6:00 PM

Sunny

67° 💧 None 💨 7 mph H 42%30.00 inHg

Friday

12:00 AM

Clear night

67° 💧 None 💨 5 mph H 36%30.03 inHg

6:00 AM

Clear night

50° 💧 None 💨 1 mph H 73%30.12 inHg

12:00 PM

Mostly sunny

45° 💧 None 💨 1 mph H 75%30.15 inHg

6:00 PM

Sunny

66° 💧 None 💨 2 mph H 47%30.15 inHg

Saturday

12:00 AM

Clear night

72° 💧 None 💨 2 mph H 44%30.09 inHg

6:00 AM

Clear night

55° 💧 None 💨 1 mph H 69%30.12 inHg

12:00 PM

Sunny

50° 💧 None 💨 1 mph H 79%30.18 inHg

6:00 PM

Sunny

70° 💧 None 💨 3 mph H 47%30.21 inHg

Sunday

12:00 AM

Clear night

77° 💧 None 💨 2 mph H 47%30.12 inHg

6:00 AM

Clear night

58° 💧 None 💨 1 mph H 63%30.18 inHg

12:00 PM

Mostly sunny

51° 💧 None 💨 2 mph H 79%30.21 inHg

In Heron and, more broadly, across the state of Montana: The evening will be characterized by mostly cloudy skies with temperatures holding steady around 52 degrees. Light east winds will persist, generally blowing at 4 mph with occasional gusts up to 4 mph. No precipitation is expected during these hours, so conditions will remain dry. The cool temperatures and calm wind conditions will likely continue into the night, providing a peaceful end to the day. Temperatures are expected to stay steady, making for a cool but quiet evening.

15-Day Weather Outlook for Heron

Monday, Sep 14Mon Sep 14

Overcast 56°/45° 💧 None 💨 4 mph

Tuesday, Sep 15Tue Sep 15

Overcast 57°/42° 💧 0.455 in 💨 3 mph

Wednesday, Sep 16Wed Sep 16

Light rain 66°/42° 💧 0.037 in 💨 4 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 72°/43° 💧 None 💨 4 mph

Friday, Sep 18Fri Sep 18

Overcast 71°/48° 💧 None 💨 4 mph

Saturday, Sep 19Sat Sep 19

Sunny 71°/47° 💧 0.285 in 💨 2 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 74°/50° 💧 None 💨 3 mph

Monday, Sep 21Mon Sep 21

Overcast 73°/52° 💧 None 💨 3 mph

Tuesday, Sep 22Tue Sep 22

Overcast 66°/47° 💧 None 💨 4 mph

Wednesday, Sep 23Wed Sep 23

Partly cloudy 65°/47° 💧 0.022 in 💨 5 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 70°/49° 💧 0.008 in 💨 4 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 67°/45° 💧 None 💨 7 mph

Saturday, Sep 26Sat Sep 26

Sunny 72°/50° 💧 None 💨 2 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 77°/51° 💧 None 💨 3 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 12:00 AM

PM2.5 Fine particles Good 0,8µg/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 1,2µg/m³

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

O₃ Ozone Fair 63,4µg/m³

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

NO₂ Nitrogen dioxide Good 1,3µg/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 3,9Moderate —Unavailable

Tomorrow UV 1,7Low 🙂Fair

Monday UV 0,9Low 🙂Fair

Tuesday UV 4,1Moderate 🙂Fair

Wednesday UV 4,8Moderate 🙂Fair

Thursday UV 6,0High —Unavailable

Friday UV 6,0High —Unavailable

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

Local night-sky conditions and meteor activity for Jasper.

38/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 86% Real hourly forecast for the best viewing hour.

☾ Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 53° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

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

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

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% 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 11:30 PM. The current forecast period extends through 14/09/2026 at 9:00 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.