Big Horn, Wyoming Weather
Wind builds through canyons. Day 16 of summer. Read this microseason across nine climate regions →
Big Horn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Heavy Rain29%0.55″85°64°—
- TuesdayJul 7Light Showers52%0.20″87°63°+2°
- WednesdayJul 8Drizzle44%—90°62°+3°
- ThursdayJul 9Overcast39%—89°66°-1°
- FridayJul 10Clear13%—90°66°+1°
- SaturdayJul 11Mostly Clear——101°70°+11°
- SundayJul 12Mostly Clear——110°77°+9°
AQI 45 (Good), driven by Ozone. AQI down 17 over the last 6 hours — air quality is improving sharply. Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 30. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
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).
When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:49 PM
- Moonset
- 12:34 PM
- In sign
- ♓︎ Pisces
Wind builds through canyons
Big Horn at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: May 14 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 82833
15-Day Forecast — Big Horn
- Mon85°64°29%
- Tue87°63°52%
- Wed90°62°44%
- Thu89°66°39%
- Fri90°66°13%
- Sat101°70°3%
- Sun110°77°1%
- Mon102°80°10%
- Tue98°76°30%
- Wed91°72°30%
- Thu92°71°35%
- Fri99°74°35%
- Sat93°72°28%
- Sun91°71°31%
- Mon102°75°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Big Horn
SPC has placed Big Horn in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Big Horn
- 82801
- 82833