Alta, Wyoming Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Alta weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Clear——79°53°—
- SundayJul 5Light Drizzle——83°62°+4°
- MondayJul 6Light Showers18%0.09″80°55°-3°
- TuesdayJul 7Overcast24%—84°55°+4°
- WednesdayJul 8Overcast17%—84°59°0°
- ThursdayJul 9Clear17%—82°51°-2°
- FridayJul 10Clear——87°56°+5°
AQI 48 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 33 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 33 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 around 1 PM.
- Present
- AQI 33
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 4.5 µg/m³ (AQI 25), ratio 0.52 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.52
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:46 PM
- Moonset
- 11:39 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Alta at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 83414
16-Day Forecast — Alta
- Sat79°53°0%
- Sun83°62°5%
- Mon80°55°18%
- Tue84°55°24%
- Wed84°59°17%
- Thu82°51°17%
- Fri87°56°0%
- Sat96°61°1%
- Sun100°66°1%
- Mon97°66°7%
- Tue102°67°18%
- Wed100°68°18%
- Thu99°68°30%
- Fri98°69°32%
- Sat99°67°21%
- Sun97°65°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Alta
SPC includes Alta in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Alta
- 83414