Joliet, Montana Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Joliet weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——80°46°—
- TuesdayJun 16Overcast——89°56°+9°
- WednesdayJun 17Overcast——74°55°-15°
- ThursdayJun 18Light Drizzle——76°48°+2°
- FridayJun 19Overcast——80°51°+4°
- SaturdayJun 20Light Drizzle41%0.05″69°56°-11°
- SundayJun 21Light Drizzle41%—77°55°+8°
AQI 38 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.92 fine-to-coarse ratio and 5 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
PM × Wind × Precip
PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.92 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:26 AM
- Moonset
- 9:32 PM
- In sign
- ♋︎ Cancer
Paintbrush crowns the ridges
Joliet at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: May 19 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Joliet
- Mon80°46°3%
- Tue89°56°3%
- Wed74°55°9%
- Thu76°48°9%
- Fri80°51°4%
- Sat69°56°41%
- Sun77°55°41%
- Mon74°56°30%
- Tue84°55°12%
- Wed87°57°12%
- Thu80°55°22%
- Fri76°53°31%
- Sat80°54°29%
- Sun87°57°23%
- Mon94°59°29%
- Tue100°65°29%
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 Joliet
- 59041