Salmon, Idaho Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Salmon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——81°52°—
- FridayJun 5Overcast——87°51°+6°
- SaturdayJun 6Overcast——82°53°-5°
- SundayJun 7Light Snow Shwrs20%0.14″61°47°-21°
- MondayJun 8Light Drizzle19%0.02″64°49°+3°
- TuesdayJun 9Light Drizzle49%0.04″68°50°+4°
- WednesdayJun 10Light Rain52%0.39″60°50°-8°
PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.61 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust. AQI down 15 over the last 6 hours — air quality is improving sharply.
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 32 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 14 by mid-afternoon.
- Present
- AQI 32
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.61 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.61
- 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
- 6:25 AM
- Moonset
- 3:24 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Salmon at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: May 17 (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.