Bigfork, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Bigfork weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Drizzle55%0.04″69°53°—
- FridayJun 5Overcast——69°51°0°
- SaturdayJun 6Light Drizzle13%—61°45°-8°
- SundayJun 7Light Snow Shwrs29%0.03″58°39°-3°
- MondayJun 8Overcast13%—65°38°+7°
- TuesdayJun 9Light Drizzle38%0.02″68°47°+3°
- WednesdayJun 10Drizzle57%0.22″52°48°-16°
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.1 µg/m³, PM10 to 15.2 µg/m³. AQI down 6 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
Ozone × UV × Sky
Ozone at AQI 34 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 by mid-afternoon.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.1 µg/m³, PM10 to 15.2 µg/m³.
- PM2.5/PM10
- 0.53
- Wind
- calm
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 6:38 AM
- Moonset
- 3:13 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Bigfork at a glance
- Today vs. normal: 13°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.