What is the weather in Alta right now?

Current weather in Alta is light rain.

Where can I find the hourly weather forecast for Alta?

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

Is the weather forecast for Alta updated regularly?

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

Now · 7:28 AM

Alta Weather & Hourly Forecast

United States · Wyoming · 83414

47°F

Light rain

Feels like: 41°F

💧 Humidity 87% 🌡 Pressure 29.94 inHg 💨 Wind 8 mph 👁 Visibility 21.1 mi ☁ Clouds 16% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Alta

Today

8:00 AM

Mostly sunny

49° 💧 0.000 in 💨 9 mph H 79%29.91 inHg

11:00 AM

Sunny

60° 💧 0.003 in 💨 13 mph H 48%29.91 inHg

2:00 PM

Sunny

64° 💧 0.000 in 💨 17 mph H 27%29.85 inHg

5:00 PM

Partly cloudy

63° 💧 None 💨 14 mph H 26%29.85 inHg

8:00 PM

Partly cloudy night

53° 💧 0.000 in 💨 9 mph H 38%29.88 inHg

11:00 PM

Clear night

52° 💧 0.003 in 💨 10 mph H 35%29.91 inHg

Tomorrow

2:00 AM

Mostly clear night

50° 💧 0.003 in 💨 7 mph H 29%29.91 inHg

5:00 AM

Clear night

47° 💧 None 💨 4 mph H 34%29.94 inHg

8:00 AM

Sunny

50° 💧 None 💨 3 mph H 43%29.97 inHg

11:00 AM

Mostly cloudy

61° 💧 0.000 in 💨 8 mph H 35%29.94 inHg

2:00 PM

Mostly sunny

65° 💧 0.001 in 💨 11 mph H 30%29.91 inHg

5:00 PM

Mostly cloudy

66° 💧 None 💨 9 mph H 28%29.85 inHg

8:00 PM

Mostly cloudy night

58° 💧 None 💨 4 mph H 36%29.83 inHg

11:00 PM

Partly cloudy night

55° 💧 None 💨 5 mph H 40%29.83 inHg

Sunday

2:00 AM

Mostly clear night

55° 💧 0.006 in 💨 7 mph H 38%29.77 inHg

5:00 AM

Partly cloudy night

51° 💧 None 💨 7 mph H 66%29.77 inHg

Today

8:00 AM

Mostly sunny

49° 💧 None 💨 9 mph H 79%29.91 inHg

9:00 AM

Sunny

54° 💧 0.000 in 💨 9 mph H 68%29.91 inHg

10:00 AM

Sunny

58° 💧 0.000 in 💨 13 mph H 55%29.91 inHg

11:00 AM

Sunny

60° 💧 0.000 in 💨 13 mph H 48%29.91 inHg

12:00 PM

Sunny

62° 💧 0.003 in 💨 15 mph H 34%29.88 inHg

1:00 PM

Sunny

63° 💧 None 💨 17 mph H 28%29.88 inHg

2:00 PM

Sunny

64° 💧 0.000 in 💨 17 mph H 27%29.85 inHg

3:00 PM

Sunny

64° 💧 None 💨 16 mph H 26%29.85 inHg

4:00 PM

Sunny

64° 💧 None 💨 15 mph H 26%29.83 inHg

5:00 PM

Partly cloudy

63° 💧 None 💨 14 mph H 26%29.85 inHg

6:00 PM

Partly cloudy

61° 💧 None 💨 11 mph H 30%29.85 inHg

7:00 PM

Mostly cloudy

57° 💧 None 💨 8 mph H 36%29.85 inHg

8:00 PM

Partly cloudy night

53° 💧 0.000 in 💨 9 mph H 38%29.88 inHg

9:00 PM

Mostly clear night

53° 💧 None 💨 10 mph H 37%29.91 inHg

10:00 PM

Clear night

52° 💧 None 💨 10 mph H 37%29.91 inHg

11:00 PM

Clear night

52° 💧 None 💨 10 mph H 35%29.91 inHg

Tomorrow

12:00 AM

Clear night

52° 💧 0.000 in 💨 9 mph H 27%29.91 inHg

1:00 AM

Mostly clear night

51° 💧 0.002 in 💨 9 mph H 28%29.91 inHg

2:00 AM

Mostly clear night

50° 💧 None 💨 7 mph H 29%29.91 inHg

3:00 AM

Clear night

48° 💧 0.000 in 💨 5 mph H 39%29.94 inHg

4:00 AM

Clear night

48° 💧 0.003 in 💨 4 mph H 30%29.94 inHg

5:00 AM

Clear night

47° 💧 None 💨 4 mph H 34%29.94 inHg

6:00 AM

Clear night

47° 💧 None 💨 3 mph H 36%29.94 inHg

7:00 AM

Sunny

47° 💧 None 💨 3 mph H 38%29.97 inHg

8:00 AM

Sunny

50° 💧 None 💨 3 mph H 43%29.97 inHg

9:00 AM

Sunny

55° 💧 None 💨 4 mph H 41%29.97 inHg

10:00 AM

Partly cloudy

58° 💧 None 💨 6 mph H 37%29.97 inHg

11:00 AM

Mostly cloudy

61° 💧 None 💨 8 mph H 35%29.94 inHg

12:00 PM

Partly cloudy

63° 💧 None 💨 9 mph H 33%29.94 inHg

1:00 PM

Partly cloudy

65° 💧 0.000 in 💨 11 mph H 32%29.91 inHg

2:00 PM

Mostly sunny

65° 💧 0.001 in 💨 11 mph H 30%29.91 inHg

3:00 PM

Partly cloudy

67° 💧 None 💨 11 mph H 27%29.88 inHg

4:00 PM

Mostly cloudy

67° 💧 None 💨 11 mph H 26%29.85 inHg

5:00 PM

Mostly cloudy

66° 💧 None 💨 9 mph H 28%29.85 inHg

6:00 PM

Mostly cloudy

65° 💧 None 💨 7 mph H 31%29.83 inHg

7:00 PM

Mostly cloudy

61° 💧 None 💨 3 mph H 38%29.85 inHg

8:00 PM

Mostly cloudy night

58° 💧 None 💨 4 mph H 36%29.83 inHg

9:00 PM

Mostly cloudy night

57° 💧 None 💨 3 mph H 38%29.83 inHg

10:00 PM

Partly cloudy night

56° 💧 None 💨 3 mph H 39%29.83 inHg

11:00 PM

Partly cloudy night

55° 💧 None 💨 5 mph H 40%29.83 inHg

Sunday

12:00 AM

Mostly clear night

56° 💧 None 💨 8 mph H 42%29.80 inHg

1:00 AM

Clear night

56° 💧 None 💨 7 mph H 42%29.77 inHg

2:00 AM

Mostly clear night

55° 💧 0.000 in 💨 7 mph H 38%29.77 inHg

3:00 AM

Mostly cloudy night

55° 💧 0.001 in 💨 10 mph H 46%29.77 inHg

4:00 AM

Light thunderstorms

52° 💧 0.005 in 💨 6 mph H 63%29.74 inHg

5:00 AM

Partly cloudy night

51° 💧 None 💨 7 mph H 66%29.77 inHg

6:00 AM

Mostly clear night

50° 💧 None 💨 9 mph H 62%29.74 inHg

7:00 AM

Sunny

53° 💧 None 💨 9 mph H 49%29.74 inHg

8:00 AM

Sunny

57° 💧 None 💨 12 mph H 44%29.77 inHg

9:00 AM

Sunny

59° 💧 None 💨 13 mph H 44%29.83 inHg

10:00 AM

Sunny

58° 💧 None 💨 12 mph H 39%29.88 inHg

11:00 AM

Sunny

58° 💧 None 💨 10 mph H 35%29.88 inHg

12:00 PM

Sunny

60° 💧 None 💨 9 mph H 33%29.88 inHg

1:00 PM

Sunny

60° 💧 None 💨 9 mph H 33%29.88 inHg

2:00 PM

Sunny

61° 💧 None 💨 10 mph H 35%29.85 inHg

3:00 PM

Sunny

61° 💧 None 💨 11 mph H 37%29.85 inHg

4:00 PM

Sunny

60° 💧 None 💨 11 mph H 37%29.85 inHg

5:00 PM

Sunny

59° 💧 None 💨 10 mph H 35%29.85 inHg

6:00 PM

Mostly sunny

57° 💧 None 💨 9 mph H 32%29.85 inHg

Monday

3:00 AM

Clear night

39° 💧 None 💨 7 mph H 44%30.00 inHg

6:00 AM

Clear night

35° 💧 None 💨 6 mph H 50%30.09 inHg

9:00 AM

Sunny

39° 💧 None 💨 8 mph H 52%30.12 inHg

12:00 PM

Sunny

46° 💧 None 💨 8 mph H 47%30.12 inHg

3:00 PM

Sunny

51° 💧 None 💨 6 mph H 41%30.03 inHg

6:00 PM

Sunny

50° 💧 None 💨 4 mph H 42%30.03 inHg

9:00 PM

Clear night

40° 💧 None 💨 2 mph H 60%30.09 inHg

Tuesday

12:00 AM

Clear night

37° 💧 None 💨 3 mph H 68%30.09 inHg

3:00 AM

Clear night

37° 💧 None 💨 3 mph H 67%30.09 inHg

6:00 AM

Clear night

36° 💧 None 💨 3 mph H 68%30.06 inHg

9:00 AM

Sunny

47° 💧 None 💨 3 mph H 51%30.09 inHg

12:00 PM

Mostly sunny

57° 💧 None 💨 6 mph H 31%30.03 inHg

3:00 PM

Mostly sunny

61° 💧 None 💨 8 mph H 27%29.97 inHg

6:00 PM

Sunny

58° 💧 None 💨 3 mph H 31%29.97 inHg

9:00 PM

Clear night

47° 💧 None 💨 2 mph H 46%30.00 inHg

Wednesday

12:00 AM

Clear night

44° 💧 None 💨 3 mph H 49%30.03 inHg

3:00 AM

Clear night

44° 💧 None 💨 4 mph H 46%30.03 inHg

6:00 AM

Mostly clear night

43° 💧 None 💨 3 mph H 50%30.06 inHg

9:00 AM

Sunny

55° 💧 None 💨 5 mph H 45%30.09 inHg

12:00 PM

Light rain

65° 💧 None 💨 6 mph H 28%30.06 inHg

3:00 PM

Partly cloudy

67° 💧 None 💨 7 mph H 28%30.06 inHg

6:00 PM

Mostly cloudy

64° 💧 None 💨 3 mph H 34%30.03 inHg

9:00 PM

Partly cloudy night

50° 💧 None 💨 5 mph H 55%30.06 inHg

Thursday

12:00 AM

Partly cloudy night

52° 💧 None 💨 5 mph H 46%30.09 inHg

6:00 AM

Clear night

48° 💧 None 💨 6 mph H 60%30.12 inHg

12:00 PM

Mostly cloudy

51° 💧 None 💨 7 mph H 62%30.12 inHg

6:00 PM

Partly cloudy

68° 💧 None 💨 7 mph H 36%30.12 inHg

Friday

12:00 AM

Mostly clear night

66° 💧 None 💨 8 mph H 34%30.03 inHg

6:00 AM

Mostly clear night

53° 💧 None 💨 0 mph H 51%30.12 inHg

12:00 PM

Mostly sunny

49° 💧 None 💨 3 mph H 50%30.12 inHg

6:00 PM

Mostly sunny

61° 💧 None 💨 7 mph H 30%30.21 inHg

Saturday

12:00 AM

Clear night

57° 💧 None 💨 4 mph H 43%30.18 inHg

6:00 AM

Clear night

44° 💧 None 💨 3 mph H 67%30.21 inHg

12:00 PM

Sunny

43° 💧 None 💨 4 mph H 66%30.18 inHg

6:00 PM

Sunny

63° 💧 None 💨 4 mph H 32%30.15 inHg

Sunday

12:00 AM

Mostly clear night

62° 💧 None 💨 3 mph H 33%30.03 inHg

6:00 AM

Mostly clear night

50° 💧 None 💨 8 mph H 46%30.00 inHg

12:00 PM

Overcast

46° 💧 None 💨 6 mph H 64%29.97 inHg

6:00 PM

Overcast

57° 💧 None 💨 2 mph H 47%30.00 inHg

Monday

12:00 AM

Light rain

51° 💧 None 💨 2 mph H 90%29.97 inHg

6:00 AM

Partly cloudy night

44° 💧 None 💨 2 mph H 94%30.00 inHg

12:00 PM

Sunny

44° 💧 None 💨 2 mph H 80%30.00 inHg

6:00 PM

Mostly sunny

59° 💧 None 💨 7 mph H 46%30.00 inHg

Tuesday

12:00 AM

Clear night

61° 💧 None 💨 6 mph H 34%29.88 inHg

6:00 AM

Clear night

51° 💧 None 💨 6 mph H 56%29.88 inHg

12:00 PM

Mostly sunny

50° 💧 None 💨 7 mph H 51%29.85 inHg

6:00 PM

Overcast

59° 💧 None 💨 10 mph H 36%29.94 inHg

Wednesday

12:00 AM

Overcast night

55° 💧 None 💨 9 mph H 43%29.94 inHg

6:00 AM

Clear night

43° 💧 None 💨 3 mph H 53%30.03 inHg

12:00 PM

Sunny

40° 💧 None 💨 3 mph H 50%30.03 inHg

6:00 PM

Sunny

60° 💧 None 💨 8 mph H 25%30.00 inHg

Thursday

12:00 AM

Overcast night

60° 💧 None 💨 4 mph H 30%29.94 inHg

6:00 AM

Mostly clear night

50° 💧 None 💨 5 mph H 45%29.97 inHg

12:00 PM

Mostly sunny

47° 💧 None 💨 4 mph H 66%30.00 inHg

6:00 PM

Mostly sunny

62° 💧 None 💨 10 mph H 27%30.06 inHg

Friday

12:00 AM

Mostly cloudy night

61° 💧 None 💨 6 mph H 26%30.03 inHg

6:00 AM

Partly cloudy night

52° 💧 None 💨 3 mph H 30%30.12 inHg

12:00 PM

Mostly sunny

50° 💧 None 💨 4 mph H 46%30.15 inHg

6:00 PM

Sunny

68° 💧 None 💨 8 mph H 28%30.18 inHg

Saturday

12:00 AM

Clear night

68° 💧 None 💨 4 mph H 29%30.12 inHg

In Alta and, more broadly, across the state of Wyoming: This morning will start with mostly cloudy skies, bringing mild temperatures around 59 degrees. As the day progresses, temperatures are expected to warm to about 78 degrees. There is a high chance of rain, with possible accumulation around 0.03 inches, so brief showers could occur at any time. Winds will be noticeable, coming from the west at speeds up to 25 mph, with gusts reaching 31 mph. Be prepared for the possibility of wet conditions and gusty winds, especially in the afternoon. Overall, it will be a day with variable weather, so keeping an umbrella handy may be helpful. Temperatures will remain mild to warm throughout the day, and skies are likely to stay mostly cloudy.

15-Day Weather Outlook for Alta

TomorrowTomorrow

Partly cloudy 67°/47° 💧 None 💨 11 mph

Sunday, Sep 13Sun Sep 13

Light thunderstorms 65°/50° 💧 None 💨 13 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 57°/35° 💧 0.200 in 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 61°/36° 💧 None 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Light rain 67°/43° 💧 0.029 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 64°/48° 💧 0.004 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 68°/49° 💧 0.031 in 💨 8 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 61°/43° 💧 0.016 in 💨 7 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 63°/46° 💧 None 💨 8 mph

Monday, Sep 21Mon Sep 21

Light rain 57°/44° 💧 0.208 in 💨 2 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 61°/50° 💧 None 💨 7 mph

Wednesday, Sep 23Wed Sep 23

Overcast 59°/40° 💧 0.039 in 💨 10 mph

Thursday, Sep 24Thu Sep 24

Overcast 60°/47° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 62°/50° 💧 None 💨 10 mph

Saturday, Sep 26Sat Sep 26

Sunny 68°/68° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Alta

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Alta

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 AM

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

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

O₃ Ozone Good 54,2µg/m³

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

NO₂ Nitrogen dioxide Good 3,7µg/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 Alta

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 6,9High 😊Good

Tomorrow UV 6,4High 🙂Fair

Sunday UV 6,2High 🙂Fair

Monday UV 6,2High 🙂Fair

Tuesday UV 5,0Moderate 😊Good

Wednesday UV 5,0Moderate —Unavailable

Thursday UV 6,0High —Unavailable

Hourly UV index today

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

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.

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 Alta

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ALTA, WYOMING

Tonight's Stargazing & Shooting Stars

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

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:21 PM–5:21 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 86° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min81%

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Alta were last refreshed today at 7:22 AM. The current forecast period extends through 13/09/2026 at 5:00 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.