Polson, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Polson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Drizzle30%0.03″70°54°—
- FridayJun 5Overcast——70°49°0°
- SaturdayJun 6Overcast——63°48°-7°
- SundayJun 7Light Drizzle16%0.01″58°43°-5°
- MondayJun 8Overcast——64°43°+6°
- TuesdayJun 9Light Drizzle42%0.02″61°50°-3°
- WednesdayJun 10Heavy Drizzle56%0.23″52°49°-9°
PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.61 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust. AQI flat over the last 6 hours (within ±3 points).
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 36. Overcast through the UV peak window (cloud cover ~93%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.61 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.61
- Wind
- light
- 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
- 6:37 AM
- Moonset
- 3:15 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Polson at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- 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.