Garrison, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Garrison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Drizzle29%0.02″67°50°—
- FridayJun 5Overcast——76°46°+9°
- SaturdayJun 6Light Drizzle11%—72°46°-4°
- SundayJun 7Light Drizzle33%—53°42°-19°
- MondayJun 8Overcast16%—65°39°+12°
- TuesdayJun 9Light Drizzle60%—66°50°+1°
- WednesdayJun 10Light Drizzle54%0.08″55°49°-11°
PM2.5 at 7.1 µg/m³, PM10 at 9.7 µg/m³ — typical background levels with no transport signature. AQI down 7 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.
What's driving it
PM × Wind × Precip
PM2.5 at 7.1 µg/m³, PM10 at 9.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.73
- Wind
- calm
- Recent rain
- 1h 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
- 6:27 AM
- Moonset
- 3:14 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Garrison at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: May 25 (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.