Birch Creek Colony, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Birch Creek Colony weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——66°48°—
- FridayJun 5Overcast——70°44°+4°
- SaturdayJun 6Overcast12%—68°48°-2°
- SundayJun 7Overcast20%—56°42°-12°
- MondayJun 8Overcast——67°41°+11°
- TuesdayJun 9Light Drizzle40%0.01″61°49°-6°
- WednesdayJun 10Foggy44%—75°50°+14°
Ozone at AQI 43 now. AQI up 10 over the last 6 hours (gradual rise). With UV 6.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 by mid-afternoon.
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 43 now. With UV 6.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 by mid-afternoon.
- Present
- AQI 43
- UV peak
- 6.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 7.3 µg/m³, PM10 at 9.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.77
- Wind
- windy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 6:33 AM
- Moonset
- 3:06 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Birch Creek Colony at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: June 4 (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.