Hidden Lake Colony, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Hidden Lake Colony weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——66°47°—
- FridayJun 5Overcast——66°43°0°
- SaturdayJun 6Overcast17%—70°47°+4°
- SundayJun 7Overcast16%—55°41°-15°
- MondayJun 8Overcast17%—65°39°+10°
- TuesdayJun 9Light Drizzle18%0.01″68°47°+3°
- WednesdayJun 10Heavy Drizzle39%0.34″53°47°-15°
PM2.5 at 4.7 µg/m³ (AQI 26) with a 0.78 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust. AQI down 11 over the last 6 hours (steady decline since this morning).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 4 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 4.7 µg/m³ (AQI 26) with a 0.78 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- 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
- 6:35 AM
- Moonset
- 3:05 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Hidden Lake Colony at a glance
- Today vs. normal: 18°F below the seasonal normal for this latitude
- Last frost: June 7 (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.