Crested Butte, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Crested Butte weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——79°44°—
- MondayJul 6Overcast19%—82°56°+3°
- TuesdayJul 7Light Drizzle28%—78°48°-4°
- WednesdayJul 8Light Drizzle14%0.01″81°49°+3°
- ThursdayJul 9Overcast26%—78°49°-3°
- FridayJul 10Overcast——82°51°+4°
- SaturdayJul 11Clear——87°49°+5°
AQI 38 (Good), driven by PM2.5. AQI down 20 over the last 6 hours — air quality is improving sharply. PM2.5 at 16.9 µg/m³ (AQI 66) with a 0.88 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 16.9 µg/m³ (AQI 66) with a 0.88 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:26 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Crested Butte at a glance
- Today vs. normal: 25°F below the seasonal normal for this latitude
- Last frost: April 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 81224, 81225
16-Day Forecast — Crested Butte
- Sun80°46°1%
- Mon82°56°19%
- Tue78°48°28%
- Wed81°49°14%
- Thu78°49°26%
- Fri82°51°7%
- Sat87°49°4%
- Sun90°54°9%
- Mon91°53°21%
- Tue93°52°26%
- Wed91°54°38%
- Thu91°53°49%
- Fri89°53°48%
- Sat85°54°42%
- Sun88°53°45%
- Mon84°54°48%
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 — Crested Butte
SPC includes Crested Butte in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- 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 Crested Butte
- 81224