Heyburn, Idaho Weather
Pikas hayfeeding in granite peaks. Day 78 of spring. Read this microseason across nine climate regions →
Heyburn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——88°49°—
- SaturdayJun 6Overcast——76°54°-12°
- SundayJun 7Overcast——66°44°-10°
- MondayJun 8Light Rain—0.11″74°43°+8°
- TuesdayJun 9Heavy Drizzle39%0.16″61°49°-13°
- WednesdayJun 10Overcast30%—63°42°+2°
- ThursdayJun 11Mostly Clear18%—74°41°+11°
AQI 47 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (steady decline since this morning). PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.69 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
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 31 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 14 by mid-afternoon.
- Present
- AQI 31
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.69 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.69
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 6:45 AM
- Moonset
- 4:40 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Heyburn at a glance
- Today vs. normal: 19°F below the seasonal normal for this latitude
- Last frost: May 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 5, 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.