Turtle Lake, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Turtle Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Drizzle39%0.02″69°53°—
- FridayJun 5Overcast——73°50°+4°
- SaturdayJun 6Overcast——60°46°-13°
- SundayJun 7Light Snow Shwrs31%0.18″53°41°-7°
- MondayJun 8Overcast——68°41°+15°
- TuesdayJun 9Overcast46%—63°50°-5°
- WednesdayJun 10Overcast57%—75°54°+12°
Ozone at AQI 43 now. AQI up 5 over the last 6 hours (gradual rise). With UV 7.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 28 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 7.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 28 by mid-afternoon.
- Present
- AQI 43
- UV peak
- 7.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 28
PM × Wind × Precip
PM2.5 at 6.1 µg/m³, PM10 at 7.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.81
- Wind
- breezy
- 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
- 6:37 AM
- Moonset
- 3:15 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Turtle Lake at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: June 1 (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.