Pompeys Pillar, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Pompeys Pillar weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——93°59°—
- SundayJul 5Drizzle14%0.03″96°64°+3°
- MondayJul 6Drizzle54%—86°65°-10°
- TuesdayJul 7Showers54%—84°66°-2°
- WednesdayJul 8Overcast40%—94°63°+10°
- ThursdayJul 9Overcast40%—88°63°-6°
- FridayJul 10Clear——90°62°+2°
AQI 49 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 45 now. With UV 0.1 peaking around 1 PM under clear 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 45 now. With UV 0.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 45
- UV peak
- 0.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 11
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
- 11:35 PM
- Moonset
- 11:25 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Pompeys Pillar at a glance
- Today vs. normal: 23°F above the seasonal normal for this latitude
- 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
16-Day Forecast — Pompeys Pillar
- Sat93°59°2%
- Sun96°64°14%
- Mon86°65°54%
- Tue84°66°54%
- Wed94°63°40%
- Thu88°63°40%
- Fri90°62°5%
- Sat104°65°2%
- Sun106°75°4%
- Mon104°75°10%
- Tue105°76°20%
- Wed109°76°34%
- Thu107°74°35%
- Fri102°67°23%
- Sat101°71°11%
- Sun98°73°21%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 has placed Pompeys Pillar in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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