Sylvanite, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Sylvanite weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 3Overcast——75°56°—
- SaturdayJul 4Overcast——79°60°+4°
- SundayJul 5Overcast——79°58°0°
- MondayJul 6Overcast——86°50°+7°
- TuesdayJul 7Overcast——88°54°+2°
- WednesdayJul 8Partly Cloudy——81°57°-7°
- ThursdayJul 9Mostly Clear——80°46°-1°
AQI 35 (Good), driven by Ozone. AQI up 5 over the last 6 hours (gradual rise). Ozone at AQI 37 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 37 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 37
- UV peak
- 3.1 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 37
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:37 PM
- Moonset
- 9:29 AM
- In sign
- ♒︎ Aquarius
Monsoon storms drench the south
Sylvanite at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: June 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
ZIP codes in Sylvanite
- 59935