Butte, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Butte weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Clear——79°49°—
- SundayJul 5Overcast25%—84°56°+5°
- MondayJul 6Showers63%0.32″70°51°-14°
- TuesdayJul 7Heavy Drizzle63%0.03″76°51°+6°
- WednesdayJul 8Light Drizzle35%—83°56°+7°
- ThursdayJul 9Partly Cloudy18%—79°48°-4°
- FridayJul 10Clear——84°52°+5°
AQI 47 (Good), driven by Ozone. AQI up 14 over the last 6 hours (gradual rise). Ozone at AQI 41. Overcast through the UV peak window (cloud cover ~67%) — 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 41. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.
- Present
- AQI 41
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
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
- 11:54 PM
- Moonset
- 11:45 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Butte at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: May 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 59701, 59750
16-Day Forecast — Butte
- Sat79°49°1%
- Sun84°56°25%
- Mon70°51°63%
- Tue76°51°63%
- Wed83°56°35%
- Thu79°48°18%
- Fri84°52°4%
- Sat94°59°4%
- Sun95°61°6%
- Mon94°61°13%
- Tue95°61°25%
- Wed95°61°18%
- Thu93°62°19%
- Fri93°61°24%
- Sat92°64°26%
- Sun91°60°19%
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 — Butte
SPC has placed Butte in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe 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 Butte
- 59748
- 59727
- 59750
- 59701
- 59711
- 59702
- 59703
- 59707