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Current weather in Fallon is overcast clouds.

Where can I find the hourly weather forecast for Fallon?

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

Is the weather forecast for Fallon updated regularly?

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

Now · 1:36 AM

Fallon Weather & Hourly Forecast

United States · Montana · 59326

65°F

Overcast night

Feels like: 63°F

💧 Humidity 43% 🌡 Pressure 29.77 inHg 💨 Wind 10 mph 👁 Visibility 6.2 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:24 AM 🌇 Sunset 7:35 PM

Hourly Forecast for Fallon

Today

2:00 AM

Overcast night

65° 💧 None 💨 10 mph H 43%29.77 inHg

5:00 AM

Mostly cloudy night

65° 💧 None 💨 10 mph H 39%29.74 inHg

8:00 AM

Sunny

71° 💧 None 💨 10 mph H 43%29.74 inHg

11:00 AM

Sunny

87° 💧 None 💨 15 mph H 17%29.65 inHg

2:00 PM

Sunny

100° 💧 None 💨 12 mph H 9%29.59 inHg

5:00 PM

Sunny

101° 💧 None 💨 9 mph H 9%29.56 inHg

8:00 PM

Clear night

85° 💧 None 💨 10 mph H 14%29.62 inHg

11:00 PM

Clear night

79° 💧 None 💨 7 mph H 17%29.68 inHg

Tomorrow

2:00 AM

Clear night

74° 💧 None 💨 7 mph H 18%29.71 inHg

5:00 AM

Clear night

69° 💧 None 💨 7 mph H 28%29.77 inHg

8:00 AM

Sunny

73° 💧 None 💨 3 mph H 33%29.80 inHg

11:00 AM

Sunny

85° 💧 None 💨 4 mph H 24%29.80 inHg

2:00 PM

Sunny

93° 💧 None 💨 4 mph H 18%29.77 inHg

5:00 PM

Sunny

95° 💧 None 💨 6 mph H 18%29.74 inHg

8:00 PM

Clear night

83° 💧 None 💨 9 mph H 28%29.77 inHg

11:00 PM

Clear night

78° 💧 None 💨 7 mph H 34%29.80 inHg

Today

2:00 AM

Overcast night

65° 💧 None 💨 10 mph H 43%29.77 inHg

3:00 AM

Overcast night

65° 💧 None 💨 8 mph H 41%29.77 inHg

4:00 AM

Overcast night

65° 💧 None 💨 9 mph H 39%29.77 inHg

5:00 AM

Mostly cloudy night

65° 💧 None 💨 10 mph H 39%29.74 inHg

6:00 AM

Mostly cloudy night

64° 💧 None 💨 9 mph H 43%29.74 inHg

7:00 AM

Sunny

65° 💧 None 💨 9 mph H 46%29.74 inHg

8:00 AM

Sunny

71° 💧 None 💨 10 mph H 43%29.74 inHg

9:00 AM

Sunny

76° 💧 None 💨 17 mph H 37%29.71 inHg

10:00 AM

Sunny

81° 💧 None 💨 16 mph H 26%29.68 inHg

11:00 AM

Sunny

87° 💧 None 💨 15 mph H 17%29.65 inHg

12:00 PM

Sunny

93° 💧 None 💨 15 mph H 12%29.62 inHg

1:00 PM

Sunny

97° 💧 None 💨 15 mph H 10%29.62 inHg

2:00 PM

Sunny

100° 💧 None 💨 12 mph H 9%29.59 inHg

3:00 PM

Sunny

101° 💧 None 💨 7 mph H 9%29.56 inHg

4:00 PM

Sunny

101° 💧 None 💨 9 mph H 9%29.56 inHg

5:00 PM

Sunny

101° 💧 None 💨 9 mph H 9%29.56 inHg

6:00 PM

Sunny

97° 💧 None 💨 8 mph H 9%29.56 inHg

7:00 PM

Sunny

91° 💧 None 💨 13 mph H 11%29.59 inHg

8:00 PM

Clear night

85° 💧 None 💨 10 mph H 14%29.62 inHg

9:00 PM

Clear night

83° 💧 None 💨 8 mph H 15%29.65 inHg

10:00 PM

Clear night

81° 💧 None 💨 8 mph H 16%29.65 inHg

11:00 PM

Clear night

79° 💧 None 💨 7 mph H 17%29.68 inHg

Tomorrow

12:00 AM

Clear night

77° 💧 None 💨 8 mph H 18%29.71 inHg

1:00 AM

Clear night

76° 💧 None 💨 6 mph H 18%29.71 inHg

2:00 AM

Clear night

74° 💧 None 💨 7 mph H 18%29.71 inHg

3:00 AM

Clear night

73° 💧 None 💨 7 mph H 20%29.71 inHg

4:00 AM

Clear night

71° 💧 None 💨 6 mph H 23%29.74 inHg

5:00 AM

Clear night

69° 💧 None 💨 7 mph H 28%29.77 inHg

6:00 AM

Clear night

67° 💧 None 💨 6 mph H 33%29.77 inHg

7:00 AM

Sunny

67° 💧 None 💨 5 mph H 36%29.80 inHg

8:00 AM

Sunny

73° 💧 None 💨 3 mph H 33%29.80 inHg

9:00 AM

Sunny

77° 💧 None 💨 4 mph H 30%29.80 inHg

10:00 AM

Sunny

82° 💧 None 💨 4 mph H 27%29.80 inHg

11:00 AM

Sunny

85° 💧 None 💨 4 mph H 24%29.80 inHg

12:00 PM

Sunny

88° 💧 None 💨 3 mph H 22%29.80 inHg

1:00 PM

Sunny

91° 💧 None 💨 3 mph H 20%29.77 inHg

2:00 PM

Sunny

93° 💧 None 💨 4 mph H 18%29.77 inHg

3:00 PM

Sunny

95° 💧 None 💨 3 mph H 18%29.74 inHg

4:00 PM

Sunny

95° 💧 None 💨 5 mph H 17%29.74 inHg

5:00 PM

Sunny

95° 💧 None 💨 6 mph H 18%29.74 inHg

6:00 PM

Sunny

93° 💧 None 💨 13 mph H 19%29.71 inHg

7:00 PM

Sunny

89° 💧 None 💨 12 mph H 23%29.74 inHg

8:00 PM

Clear night

83° 💧 None 💨 9 mph H 28%29.77 inHg

9:00 PM

Clear night

81° 💧 None 💨 9 mph H 29%29.80 inHg

10:00 PM

Clear night

80° 💧 None 💨 7 mph H 31%29.80 inHg

11:00 PM

Clear night

78° 💧 None 💨 7 mph H 34%29.80 inHg

Sunday

12:00 AM

Clear night

76° 💧 None 💨 5 mph H 40%29.80 inHg

1:00 AM

Mostly clear night

75° 💧 None 💨 5 mph H 44%29.80 inHg

2:00 AM

Mostly cloudy night

75° 💧 None 💨 5 mph H 46%29.80 inHg

3:00 AM

Mostly cloudy night

74° 💧 None 💨 5 mph H 48%29.77 inHg

4:00 AM

Partly cloudy night

74° 💧 None 💨 6 mph H 47%29.80 inHg

5:00 AM

Mostly cloudy night

73° 💧 None 💨 5 mph H 49%29.80 inHg

6:00 AM

Mostly cloudy night

72° 💧 None 💨 5 mph H 52%29.80 inHg

7:00 AM

Mostly cloudy

72° 💧 None 💨 4 mph H 55%29.83 inHg

8:00 AM

Partly cloudy

76° 💧 None 💨 8 mph H 51%29.83 inHg

9:00 AM

Partly cloudy

80° 💧 None 💨 10 mph H 48%29.83 inHg

10:00 AM

Mostly sunny

83° 💧 None 💨 8 mph H 41%29.80 inHg

11:00 AM

Mostly sunny

87° 💧 None 💨 9 mph H 36%29.80 inHg

12:00 PM

Mostly sunny

89° 💧 None 💨 7 mph H 32%29.77 inHg

1:00 PM

Sunny

92° 💧 None 💨 6 mph H 28%29.74 inHg

2:00 PM

Sunny

94° 💧 None 💨 7 mph H 24%29.74 inHg

3:00 PM

Sunny

96° 💧 None 💨 7 mph H 22%29.71 inHg

4:00 PM

Sunny

97° 💧 None 💨 9 mph H 20%29.68 inHg

5:00 PM

Sunny

98° 💧 None 💨 10 mph H 19%29.65 inHg

6:00 PM

Sunny

96° 💧 None 💨 10 mph H 19%29.62 inHg

7:00 PM

Mostly sunny

91° 💧 None 💨 7 mph H 24%29.62 inHg

8:00 PM

Mostly cloudy night

87° 💧 None 💨 8 mph H 28%29.65 inHg

9:00 PM

Mostly cloudy night

85° 💧 None 💨 15 mph H 34%29.65 inHg

10:00 PM

Mostly cloudy night

82° 💧 None 💨 9 mph H 39%29.62 inHg

11:00 PM

Mostly cloudy night

82° 💧 None 💨 7 mph H 34%29.59 inHg

Monday

12:00 AM

Overcast night

79° 💧 None 💨 6 mph H 36%29.62 inHg

1:00 AM

Overcast night

78° 💧 None 💨 7 mph H 37%29.59 inHg

2:00 AM

Overcast night

79° 💧 None 💨 17 mph H 39%29.59 inHg

3:00 AM

Light rain

82° 💧 0.02 in 💨 17 mph H 37%29.59 inHg

4:00 AM

Light rain

77° 💧 0.02 in 💨 22 mph H 48%29.62 inHg

5:00 AM

Light rain

73° 💧 0.01 in 💨 7 mph H 62%29.56 inHg

6:00 AM

Light rain

73° 💧 0.01 in 💨 3 mph H 65%29.59 inHg

7:00 AM

Light rain

72° 💧 0.01 in 💨 3 mph H 66%29.62 inHg

8:00 AM

Overcast

74° 💧 None 💨 3 mph H 60%29.62 inHg

9:00 AM

Overcast

76° 💧 None 💨 10 mph H 56%29.62 inHg

10:00 AM

Overcast

75° 💧 None 💨 14 mph H 56%29.65 inHg

11:00 AM

Overcast

79° 💧 None 💨 17 mph H 45%29.65 inHg

12:00 PM

Overcast

81° 💧 None 💨 19 mph H 38%29.65 inHg

1:00 PM

Partly cloudy

84° 💧 None 💨 18 mph H 31%29.65 inHg

2:00 PM

Mostly cloudy

85° 💧 None 💨 16 mph H 29%29.65 inHg

3:00 PM

Mostly cloudy

86° 💧 None 💨 14 mph H 28%29.65 inHg

4:00 PM

Partly cloudy

87° 💧 None 💨 11 mph H 27%29.62 inHg

5:00 PM

Partly cloudy

87° 💧 None 💨 8 mph H 26%29.62 inHg

6:00 PM

Partly cloudy

86° 💧 None 💨 4 mph H 25%29.62 inHg

7:00 PM

Sunny

82° 💧 None 💨 4 mph H 30%29.62 inHg

8:00 PM

Clear night

79° 💧 None 💨 11 mph H 34%29.65 inHg

9:00 PM

Partly cloudy night

75° 💧 None 💨 19 mph H 49%29.68 inHg

10:00 PM

Light rain

70° 💧 0.01 in 💨 17 mph H 66%29.74 inHg

11:00 PM

Light rain

67° 💧 0.01 in 💨 21 mph H 75%29.77 inHg

Tuesday

12:00 AM

Light rain

66° 💧 0.01 in 💨 15 mph H 77%29.80 inHg

1:00 AM

Light rain

67° 💧 0.01 in 💨 8 mph H 69%29.80 inHg

In Fallon and, more broadly, across the state of Montana: The evening will feature a mix of sun and clouds with mild temperatures around 65 degrees Fahrenheit. Winds will be light, coming from the south at up to 4 mph, with occasional gusts reaching 6 mph. No precipitation is expected during this time, so conditions should remain dry. As the night progresses, temperatures are expected to stay steady, maintaining a comfortable feel. Overall, it looks like a calm and pleasant evening with mild weather and gentle breezes.

15-Day Weather Outlook for Fallon

Friday, Sep 4Fri Sep 4

Sunny 101°/65° 💧 None 💨 18 mph

TomorrowTomorrow

Sunny 95°/65° 💧 None 💨 9 mph

Sunday, Sep 6Sun Sep 6

Light rain 97°/71° 💧 0.00 in 💨 14 mph

Monday, Sep 7Mon Sep 7

Light rain 87°/76° 💧 0.00 in 💨 16 mph

Tuesday, Sep 8Tue Sep 8

Light rain 80°/63° 💧 0.09 in 💨 16 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 83°/60° 💧 None 💨 11 mph

Thursday, Sep 10Thu Sep 10

Overcast 91°/69° 💧 None 💨 11 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 95°/73° 💧 None 💨 13 mph

Saturday, Sep 12Sat Sep 12

Light rain 87°/73° 💧 0.01 in 💨 14 mph

Sunday, Sep 13Sun Sep 13

Light rain 84°/68° 💧 0.01 in 💨 13 mph

Monday, Sep 14Mon Sep 14

Light rain 78°/64° 💧 0.02 in 💨 23 mph

Tuesday, Sep 15Tue Sep 15

Sunny 82°/58° 💧 None 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 85°/63° 💧 None 💨 22 mph

Thursday, Sep 17Thu Sep 17

Overcast 75°/58° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Sunny 84°/56° 💧 None 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Fallon

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Fallon

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 AM

PM2.5 Fine particles Good 2,2µg/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 3,8µg/m³

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

O₃ Ozone Fair 83,9µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/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 Fallon

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 6,5High 🙂Fair

Tomorrow UV 6,6High 🙂Fair

Sunday UV 6,7High 🙂Fair

Monday UV 7,0High 🙂Fair

Tuesday UV 6,0High 🙂Fair

Wednesday UV 6,0High —Unavailable

Thursday UV 4,0Moderate —Unavailable

Hourly UV index today

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

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 Fallon

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.34 Population: 142

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Forecast data for Fallon were last refreshed today at 1:36 AM. The current forecast period extends through 05/09/2026 at 11:00 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.