Belfry, Montana Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Belfry weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——80°45°—
- TuesdayJun 16Overcast——90°57°+10°
- WednesdayJun 17Light Drizzle——76°55°-14°
- ThursdayJun 18Overcast——75°49°-1°
- FridayJun 19Overcast——82°54°+7°
- SaturdayJun 20Overcast50%—74°62°-8°
- SundayJun 21Light Drizzle48%0.05″70°54°-4°
AQI 30 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 48. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.
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 48. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.
- Present
- AQI 48
- UV peak
- 8.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 27
PM × Wind × Precip
PM2.5 at 7.4 µg/m³ (AQI 41), ratio 0.66 with 12 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.66
- 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
- 5:28 AM
- Moonset
- 9:30 PM
- In sign
- ♋︎ Cancer
Paintbrush crowns the ridges
Belfry at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: May 17 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Belfry
- Mon80°45°1%
- Tue90°57°2%
- Wed76°55°7%
- Thu75°49°7%
- Fri82°54°4%
- Sat74°62°50%
- Sun70°54°48%
- Mon66°54°31%
- Tue76°55°17%
- Wed85°58°12%
- Thu95°62°12%
- Fri84°62°15%
- Sat74°57°26%
- Sun74°53°29%
- Mon89°54°21%
- Tue100°63°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 15, 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.
ZIP codes in Belfry
- 59008