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Observed 10:15 AM MDT at KHCR

Alta, UT weather

Sunny and 37°3°, 9°5° colder than a typical Oct 24.

Today: low 29°−2° (likely 26°−3° to 31°−1°), high 37°3° (likely 37°3° to 42°6°).

Mostly agree

Now 37°3°

Sunny

Wind
Calm
Up to 6 mph10 km/h through 10 PM
Dew point
35°2°
Dry · down to 24°−4° by 11 AM
Humidity
91%
Air 37°3°, dew point 35°2° · fog or dew likely
UV index
3Moderate
Moderate 11 AM–5 PM · peak 5
Air quality
21Good
Main pollutant: PM2.5 (fine particles)
Pressure
30.22 inHg1023 hPa
Falling slowly · −0.04 inHg−1.4 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

15°8° cooler than this time yesterday (52°11° then, 37°3° now)

Good hours for
  • High 37°3° today at 2 PM
  • Below freezing tonight 7 PM–11 AM (low 29°−2°)
  • Low 29°−2° tonight at 11 PM
  • Rain tomorrow noon–6 PM (30%, 0.12 in3 mm)
  • Below freezing tomorrow night from 7 PM (low 29°−2°)
  1. This morningNear 32°0° · freezing, low 31°−1° · Partly cloudy
  2. This afternoonNear 35°2° · Mostly cloudy
  3. TonightDown to 29°−2° by 11 PM · freezing, low 29°−2° · Partly cloudy
  4. Tomorrow morningNear 32°0° · rain chance 20% · freezing, low 31°−1° · Cloudy
  5. Tomorrow afternoonNear 34°1° · Rain all afternoon (30%)
  6. Tomorrow nightDown to 29°−2° by 11 PM · freezing, low 29°−2° · Partly cloudy
  7. Monday morningNear 32°0° · freezing, low 31°−1° · Partly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 10aMostly sunny31°−1° (likely 31°−1° to 35°2°)28°−2°0%3 mph5 km/h from ESE, gusts 14 mph23 km/h75%20%2
Sat 11aSunny33°1° (likely 33°1° to 39°4°)30°−1°0%3 mph5 km/h from ESE, gusts 17 mph27 km/h70%30%3
Sat 12pPartly sunny35°2° (likely 35°2° to 41°5°)31°−1°0%5 mph8 km/h from ENE, gusts 18 mph29 km/h66%46%4
Sat 1pPartly sunny36°2° (likely 36°2° to 42°6°)32°0°0%5 mph8 km/h from ENE, gusts 17 mph28 km/h68%84%5
Sat 2pPartly sunny37°3° (likely 37°3° to 42°6°)33°1°0%5 mph8 km/h from ENE, gusts 14 mph23 km/h66%86%4
Sat 3pCloudy37°3° (likely 37°3° to 42°6°)32°0°0%6 mph10 km/h from NE, gusts 10 mph16 km/h69%88%4
Sat 4pCloudy37°3° (likely 37°3° to 42°6°)32°0°0%6 mph10 km/h from NE, gusts 11 mph17 km/h74%73%3
Sat 5pCloudy35°2° (likely 35°2° to 41°5°)30°−1°0%6 mph10 km/h from NE, gusts 13 mph21 km/h79%80%2
Sat 6pMostly sunny35°2° (likely 35°2° to 39°4°)30°−1°5%6 mph10 km/h from NNE, gusts 13 mph20 km/h81%62%1
Sat 7pPartly cloudy32°0° (likely 32°0° to 37°3°)26°−3°5%6 mph10 km/h from NNE, gusts 15 mph24 km/h92%87%0
Sat 8pPartly cloudy30°−1° (likely 30°−1° to 36°2°)24°−4°5%6 mph10 km/h from NNE, gusts 12 mph20 km/h94%69%0
Sat 9pPartly cloudy30°−1° (likely 30°−1° to 35°2°)25°−4°0%5 mph8 km/h from E, gusts 11 mph18 km/h94%32%0
Sat 10pPartly cloudy30°−1° (likely 30°−1° to 34°1°)25°−4°0%5 mph8 km/h from E, gusts 11 mph18 km/h94%27%0
Sat 11pPartly cloudy29°−2° (likely 29°−2° to 34°1°)24°−4°0%5 mph8 km/h from E, gusts 10 mph16 km/h88%32%0
Sun 12aMostly cloudy31°−1° (likely 30°−1° to 34°1°)31°−1°5%2 mph3 km/h from ESE, gusts 13 mph21 km/h84%36%0
Sun 1aMostly cloudy31°−1° (likely 30°−1° to 34°1°)31°−1°5%2 mph3 km/h from ESE, gusts 14 mph23 km/h80%37%0
Sun 2aMostly cloudy31°−1° (likely 29°−2° to 34°1°)31°−1°5%2 mph3 km/h from ESE, gusts 13 mph22 km/h75%34%0
Sun 3aMostly cloudy32°0° (likely 29°−2° to 33°1°)32°0°5%1 mph2 km/h from ESE, gusts 13 mph21 km/h74%31%0
Sun 4aCloudy31°−1° (likely 28°−2° to 34°1°)31°−1°5%1 mph2 km/h from ESE, gusts 8 mph12 km/h77%71%0
Sun 5aPartly cloudy31°−1° (likely 28°−2° to 33°1°)31°−1°5%1 mph2 km/h from ESE, gusts 7 mph12 km/h79%68%0
Sun 6aSnow31°−1° (likely 29°−2° to 33°1°)31°−1°20%1 mph2 km/h from WSW, gusts 6 mph9 km/h82%76%0
Sun 7aCloudy31°−1° (likely 29°−2° to 33°1°)31°−1°20%1 mph2 km/h from WSW, gusts 5 mph8 km/h82%87%0
Sun 8aCloudy31°−1° (likely 29°−2° to 33°1°)31°−1°20%1 mph2 km/h from WSW, gusts 3 mph5 km/h83%89%0
Sun 9aCloudy32°0° (likely 31°−1° to 35°2°)32°0°20%1 mph2 km/h from NE, gusts 5 mph9 km/h84%88%0
Sun 10aCloudy32°0° (likely 32°0° to 37°3°)32°0°20%1 mph2 km/h from NE, gusts 7 mph12 km/h88%94%1
Sun 11aSnow33°1° (likely 33°1° to 40°4°)33°1°20%1 mph2 km/h from NE, gusts 7 mph12 km/h89%86%2
Sun 12pSnow34°1° (likely 34°1° to 41°5°)34°1°30%, 0.02 in0.5 mm1 mph2 km/h from WNW, gusts 7 mph11 km/h90%94%3
Sun 1pSnow34°1° (likely 34°1° to 40°4°)34°1°30%, 0.02 in0.5 mm1 mph2 km/h from WNW, gusts 6 mph9 km/h96%77%4
Sun 2pSnow34°1° (likely 34°1° to 40°4°)34°1°30%, 0.02 in0.5 mm1 mph2 km/h from WNW, gusts 5 mph9 km/h95%90%4
Sun 3pSnow34°1° (likely 34°1° to 40°4°)34°1°30%, 0.02 in0.5 mm2 mph3 km/h from NW, gusts 5 mph8 km/h100%88%4
Sun 4pSnow34°1° (likely 34°1° to 39°4°)34°1°30%, 0.02 in0.5 mm2 mph3 km/h from NW, gusts 4 mph6 km/h100%87%3
Sun 5pSnow34°1° (likely 34°1° to 38°3°)34°1°30%, 0.02 in0.5 mm2 mph3 km/h from NW, gusts 4 mph6 km/h100%84%2
Sun 6pPartly sunny33°1° (likely 33°1° to 36°2°)33°1°5%2 mph3 km/h from N, gusts 4 mph6 km/h99%81%1
Sun 7pPartly cloudy32°0° (likely 32°0° to 34°1°)32°0°5%2 mph3 km/h from N, gusts 3 mph5 km/h100%75%0
Sun 8pPartly cloudy31°−1° (likely 31°−1° to 32°0°)31°−1°5%2 mph3 km/h from N, gusts 2 mph4 km/h100%49%0
Sun 9pClear31°−1° (likely 30°−1° to 32°0°)28°−2°5%3 mph5 km/h from E, gusts 3 mph4 km/h100%30%0
Sun 10pPartly cloudy30°−1° (likely 28°−2° to 32°0°)26°−3°5%3 mph5 km/h from E, gusts 3 mph4 km/h99%26%0
Sun 11pClear29°−2° (likely 27°−3° to 32°0°)25°−4°5%3 mph5 km/h from E, gusts 3 mph5 km/h98%33%0
Mon 12aClear29°−2° (likely 26°−3° to 32°0°)25°−4°0%3 mph5 km/h from ESE, gusts 4 mph6 km/h95%39%0
Mon 1aClear29°−2° (likely 26°−3° to 32°0°)25°−4°0%3 mph5 km/h from ESE, gusts 4 mph7 km/h90%37%0
Mon 2aPartly cloudy30°−1° (likely 26°−3° to 32°0°)26°−3°0%3 mph5 km/h from ESE, gusts 6 mph9 km/h86%31%0
Mon 3aClear30°−1° (likely 26°−3° to 32°0°)26°−3°0%3 mph5 km/h from ESE, gusts 8 mph12 km/h82%28%0
Mon 4aClear31°−1° (likely 26°−3° to 32°0°)28°−2°0%3 mph5 km/h from ESE, gusts 8 mph13 km/h82%27%0
Mon 5aClear31°−1° (likely 26°−3° to 32°0°)28°−2°0%3 mph5 km/h from ESE, gusts 8 mph13 km/h83%27%0
Mon 6aClear31°−1° (likely 26°−3° to 32°0°)28°−2°0%3 mph5 km/h from ESE, gusts 8 mph13 km/h84%27%0
Mon 7aPartly cloudy31°−1° (likely 24°−4° to 31°−1°)28°−2°0%3 mph5 km/h from ESE, gusts 6 mph10 km/h84%39%0
Mon 8aPartly sunny31°−1° (likely 25°−4° to 31°−1°)28°−2°0%3 mph5 km/h from ESE, gusts 7 mph11 km/h84%48%0
Mon 9aPartly sunny32°0° (likely 27°−3° to 33°1°)26°−3°0%6 mph10 km/h from SE, gusts 7 mph12 km/h82%46%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Partly sunny. High 37°3°, low 29°−2°. Typical 46°8° / 28°−2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 33°1°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 37°3°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 30°−1°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly cloudy, 31°−1°

      Dry

    Official NWS forecast

    Today: Mostly sunny. High near 37, with temperatures falling to around 35 in the afternoon. East northeast wind around 6 mph.

    Tonight: Mostly cloudy. Low around 29, with temperatures rising to around 31 overnight. East northeast wind 1 to 6 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    37°3°–42°6°
    Low, likely
    26°−3°–31°−1°
    Typical high / low
    46°8° / 28°−2°
    Wind
    17 mph27 km/h, gusts 23 mph37 km/h
    UV peak
    5
  2. Tomorrow, Oct 25. Snow. High 34°1°, low 28°−2°. Typical 46°8° / 28°−2°. Snow 0–2 in0–5 cm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 31°−1°

      Dry

    2. Afternoon

      noon–6 PM

      Snow, 34°1°

      30% chance · 0.12 in3 mm

    3. Evening

      6 PM–midnight

      Clear, 31°−1°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 29°−2°

      Dry

    Official NWS forecast

    Day: Scattered snow showers before 3pm, then scattered rain and snow showers. Mostly cloudy, with a high near 34. Northwest wind around 2 mph. Chance of precipitation is 30%.

    Night: Partly cloudy, with a low around 28. East wind around 3 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    34°1°–41°5°
    Low, likely
    27°−3°–32°0°
    Typical high / low
    46°8° / 28°−2°
    Wind
    15 mph25 km/h, gusts 22 mph35 km/h
    UV peak
    4
  3. Monday, Oct 26. Partly sunny. High 41°5°, low 29°−2°. Typical 46°8° / 28°−2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 31°−1°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 44°7°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 35°2°

      Dry

    4. Overnight

      midnight–6 AM

      Snow, 29°−2°

      40% chance · 0.7 in1.7 cm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 41. South southeast wind around 6 mph.

    Night: A chance of snow after midnight. Partly cloudy, with a low around 29. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    41°5°–46°8°
    Low, likely
    25°−4°–30°−1°
    Typical high / low
    46°8° / 28°−2°
    Wind
    13 mph21 km/h, gusts 42 mph68 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Snow. High 34°1°, low 27°−3°. Typical 45°7° / 28°−2°. Snow 0–2 in0–5 cm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Snow showers, 27°−3°

      40% chance · 0.4 in1 cm

    2. Afternoon

      noon–6 PM

      Sunny, 39°4°

      30% chance

    3. Evening

      6 PM–midnight

      Clear, 30°−1°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 27°−3°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of snow. Partly sunny, with a high near 34. New snow accumulation of around one inch possible.

    Night: Mostly clear, with a low around 27.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    34°1°–41°5°
    Low, likely
    24°−4°–27°−3°
    Typical high / low
    45°7° / 28°−2°
    Wind
    12 mph19 km/h, gusts 38 mph62 km/h
    UV peak
    5
  5. Wednesday, Oct 28. Mostly sunny. High 41°5°, low 32°0°. Typical 45°7° / 27°−3°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 28°−2°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 41°5°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 32°0°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 31°−1°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 41.

    Night: Partly cloudy, with a low around 32.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    39°4°–44°7°
    Low, likely
    24°−4°–32°0°
    Typical high / low
    45°7° / 27°−3°
    Wind
    9 mph14 km/h, gusts 27 mph44 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 42°6°, low 33°1°. Typical 44°7° / 27°−3°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 32°0°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 45°7°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 36°2°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 32°0°

      30% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 42.

    Night: A slight chance of snow after midnight. Mostly cloudy, with a low around 33.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    42°6°–48°9°
    Low, likely
    29°−2°–33°1°
    Typical high / low
    44°7° / 27°−3°
    Wind
    13 mph21 km/h, gusts 33 mph53 km/h
    UV peak
    4
  7. Friday, Oct 30. Snow. High 38°3°, low 32°0°. Typical 44°7° / 26°−3°. Snow 0–2 in0–5 cm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 34°1°

      50% chance · 0.05 in1.1 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 38°3°

      60% chance · 0.12 in3.1 mm

    3. Evening

      6 PM–midnight

      Snow, 31°0°

      70% chance · 0.4 in1 cm

    4. Overnight

      midnight–6 AM

      Snow, 28°−2°

      60% chance · 0.9 in2.3 cm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of snow. Mostly cloudy, with a high near 38. New snow accumulation of less than half an inch possible.

    Night: Snow likely. Mostly cloudy, with a low around 32. New snow accumulation of around one inch possible.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    34°1°–42°6°
    Low, likely
    29°−2°–32°0°
    Typical high / low
    44°7° / 26°−3°
    Wind
    12 mph20 km/h, gusts 33 mph53 km/h
    UV peak
    3
  8. Saturday, Oct 31. Snow. High 32°0°, low 22°−6°. Typical 44°7° / 26°−3°. Snow 0–4 in0–10 cm, 60% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Snow, 28°−2°

      60% chance · 1.3 in3.3 cm

    2. Afternoon

      noon–6 PM

      Snow, 29°−1°

      60% chance · 0.8 in2.1 cm

    3. Evening

      6 PM–midnight

      Partly cloudy, 25°−4°

      60% chance · 0.03 in0.8 mm

    4. Overnight

      midnight–6 AM

      Clear, 21°−6°

      50% chance · 0.02 in0.6 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    30°−1°–35°2°
    Low, likely
    19°−7°–28°−2°
    Typical high / low
    44°7° / 26°−3°
    Wind
    8 mph13 km/h, gusts 22 mph35 km/h
    UV peak
    3
  9. Sunday, Nov 1. Snow. High 31°−1°, low 19°−7°. Typical 43°6° / 26°−3°. Snow < 1 in< 2 cm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 23°−5°

      50% chance

    2. Afternoon

      noon–6 PM

      Sunny, 31°−1°

      40% chance · 0.02 in0.4 mm

    3. Evening

      6 PM–midnight

      Clear, 24°−5°

      40% chance · 0.1 in0.3 cm

    4. Overnight

      midnight–6 AM

      Clear, 22°−5°

      40% chance · 0.4 in0.9 cm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    23°−5°–37°3°
    Low, likely
    12°−11°–26°−3°
    Typical high / low
    43°6° / 26°−3°
    Wind
    8 mph13 km/h, gusts 27 mph43 km/h
    UV peak
    4
  10. Monday, Nov 2. Drizzle. High 35°2°, low 22°−6°. Typical 43°6° / 26°−3°. Rain 0.36 in9.1 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 25°−4°

      40% chance · 0.5 in1.2 cm

    2. Afternoon

      noon–6 PM

      Cloudy, 34°1°

      30% chance · 0.3 in0.8 cm

    3. Evening

      6 PM–midnight

      Drizzle, 24°−4°

      40% chance · 0.4 in0.9 cm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    29°−2°–42°6°
    Low, likely
    14°−10°–27°−3°
    Typical high / low
    43°6° / 26°−3°
    Wind
    6 mph10 km/h, gusts 13 mph22 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 37°, low 29°.

  2. Tomorrow

    34% chance of snow, high 34°, low 28°, cooling off.

  3. Monday

    Dry, high 41°, low 29°, warming up.

  4. Rest of week

    Highs 31–42°; chance of precipitation on Friday, Saturday, Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SLC) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

McLeod Creek near Park City

8.6 mi
Below flood stage
Level
6.2 ft
Flow
7 cfs

Forecast peak 6.5 ft Sat 10 AM

Reading from Sat 9:30 AM · NWS gauge page

American Fork River near American Fork

9.9 mi
Below flood stage
Level
6.1 ft
Flow
16 cfs

Forecast peak 6.0 ft Sat 10 AM

Reading from Sat 9:15 AM · NWS gauge page

East Canyon Creek near Park City

11 mi
Below flood stage
Level
5.1 ft
Flow
8 cfs

Forecast peak 5.2 ft Sat 10 AM

Reading from Sat 8:30 AM · NWS gauge page

East Canyon Creek near Jeremy Ranch

13 mi
Below flood stage
Level
4.5 ft
Flow
17 cfs

Forecast peak 4.5 ft Sat 10 AM

Reading from Sat 9:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 68% less heating than a typical week.

This week 65Typical 201

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
47
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 36 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 35°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Alta · official normals 1991–2020 · records 1906–2026

Oct 24, today vs a typical year

Today’s expected high is 9°5° colder than typical.

Normal high / low
46°8° / 28°−2°
Forecast high / low
37°3° / 29°−2°
Record high
64°18° in 2007
Record low
1°−17° in 1975

Last 7 days vs normal

On average 6°3° warmer than normal (daily mean temperature).

  1. +6°+3°SunOct 18
  2. +6°+3°MonOct 19
  3. +9°+5°TueOct 20
  4. +7°+4°WedOct 21
  5. +7°+4°ThuOct 22
  6. +2°+1°FriOct 23
  7. —SatOct 24

Alta weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:47 AM, sunset 6:33 PM.

Daylight
10 h 45 min
Losing 2 min 30 s a day; shortest Dec 21, 1 h 29 min less
Golden hour
5:55–6:50 PM
Morning 7:30–8:25 AM
Blue hour
6:50–7:00 PM
Morning 7:19–7:30 AM; first light 7:19 AM

Stars tonight? Poor

Clouds most of the night (about 53% cover).

Moon

Waxing gibbous

97% lit · growing

Today
sets 6:05 AM · rises 5:32 PM
Full moon
Oct 25
New moon
Nov 9
Looking southwest from Alta. The highest point on the skyline is about 10,900 ft, 1 mi away.Skyline from USGS elevation data. Sky, sun and moon as they are now.