Challis, Idaho Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Challis weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——79°50°—
- FridayJun 5Overcast——82°50°+3°
- SaturdayJun 6Overcast——77°53°-5°
- SundayJun 7Overcast——61°49°-16°
- MondayJun 8Light Drizzle18%0.10″59°48°-2°
- TuesdayJun 9Light Drizzle31%0.04″61°49°+2°
- WednesdayJun 10Drizzle44%0.11″57°46°-4°
PM2.5/PM10 ratio 0.59 with 10 mph wind — characteristic of long-range haze transport rather than a local source. AQI down 5 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/PM10 ratio 0.59 with 10 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.59
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 6:24 AM
- Moonset
- 3:28 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Challis at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 13 (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.