Pompeys Pillar, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Pompeys Pillar weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——93°61°—
- SundayJul 5Drizzle30%—95°65°+2°
- MondayJul 6Showers30%0.11″90°67°-5°
- TuesdayJul 7Heavy Drizzle30%0.03″74°62°-16°
- WednesdayJul 8Overcast27%—95°58°+21°
- ThursdayJul 9Overcast27%—94°67°-1°
- FridayJul 10Clear11%—90°65°-4°
AQI 43 (Good), driven by Ozone. AQI down 16 over the last 6 hours — air quality is improving sharply. Ozone at AQI 34 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 around 1 PM.
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 34 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 5.8 µg/m³ (AQI 32) with a 0.79 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.79
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:17 PM
- Moonset
- 10:13 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Pompeys Pillar at a glance
- Today vs. normal: 65°F — typical for the season
- Last frost: May 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59064
15-Day Forecast — Pompeys Pillar
- Sat93°60°2%
- Sun95°65°30%
- Mon90°67°30%
- Tue74°62°30%
- Wed95°58°27%
- Thu94°67°27%
- Fri90°65°11%
- Sat99°65°7%
- Sun94°71°6%
- Mon88°65°10%
- Tue103°64°15%
- Wed108°77°22%
- Thu98°73°12%
- Fri103°71°13%
- Sat108°75°13%
Forecast data from Open-Meteo (CC BY 4.0).
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.
SPC Convective Outlook
Storm Prediction Center — Pompeys Pillar
SPC includes Pompeys Pillar in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Pompeys Pillar
- 59064