Jackson, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Jackson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——64°39°—
- FridayJun 5Overcast——75°42°+11°
- SaturdayJun 6Overcast——70°45°-5°
- SundayJun 7Light Drizzle38%—53°34°-17°
- MondayJun 8Light Drizzle17%—60°38°+7°
- TuesdayJun 9Overcast57%—58°44°-2°
- WednesdayJun 10Light Drizzle66%—69°40°+11°
Ozone at AQI 60 now. AQI up 7 over the last 6 hours (gradual rise). With UV 6.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 51 by mid-afternoon.
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 60 now. With UV 6.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 51 by mid-afternoon.
- Present
- AQI 60
- UV peak
- 6.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 51
PM × Wind × Precip
PM2.5/PM10 ratio 0.58 with 10 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.58
- 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
- 3:21 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Jackson at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: May 18 (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.