Busby, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Busby weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Mostly Clear——72°49°—
- ThursdayJun 4Overcast21%—73°52°+1°
- FridayJun 5Clear——85°53°+12°
- SaturdayJun 6Overcast10%—98°66°+13°
- SundayJun 7Light Drizzle39%—73°55°-25°
- MondayJun 8Overcast34%—84°47°+11°
- TuesdayJun 9Overcast14%—82°59°-2°
PM2.5 at 5.7 µg/m³ (AQI 32) with a 0.85 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 AM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 31 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 5 by mid-afternoon.
- Present
- AQI 31
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 5.7 µg/m³ (AQI 32) with a 0.85 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.85
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:58 AM
- Moonset
- 2:54 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Busby at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 19 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Warm-season window is open
As of June 4, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
SPC Convective Outlook
Storm Prediction Center — Busby
SPC has placed Busby 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.