Belknap, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Belknap weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Foggy40%—63°51°—
- FridayJun 5Overcast——64°49°+1°
- SaturdayJun 6Light Snow Shwrs—0.03″57°39°-7°
- SundayJun 7Drizzle12%—55°35°-2°
- MondayJun 8Overcast——73°35°+18°
- TuesdayJun 9Overcast51%—71°46°-2°
- WednesdayJun 10Overcast50%—77°44°+6°
Ozone at AQI 40 now. AQI flat over the last 6 hours (within ±3 points). With UV 5.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 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 40 now. With UV 5.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 by mid-afternoon.
- Present
- AQI 40
- UV peak
- 5.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 4.7 µg/m³, PM10 at 5.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.81
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 6:42 AM
- Moonset
- 3:20 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Belknap at a glance
- Today vs. normal: 6°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.