Helena West Side, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Helena West Side weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——86°53°—
- SundayJul 5Overcast11%—86°62°0°
- MondayJul 6Heavy Drizzle60%0.06″72°54°-14°
- TuesdayJul 7Overcast60%—86°55°+14°
- WednesdayJul 8Rain32%0.22″91°60°+5°
- ThursdayJul 9Overcast14%—83°54°-8°
- FridayJul 10Clear——91°58°+8°
AQI 46 (Good), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 40 now. With UV 0.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 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 40 now. With UV 0.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 40
- UV peak
- 0.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
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
- 11:52 PM
- Moonset
- 11:43 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Helena West Side at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: May 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Helena West Side
- Sat86°53°1%
- Sun86°62°11%
- Mon72°54°60%
- Tue86°55°60%
- Wed91°60°32%
- Thu83°54°14%
- Fri91°58°2%
- Sat101°63°3%
- Sun99°68°6%
- Mon101°69°12%
- Tue103°66°19%
- Wed101°68°19%
- Thu97°64°25%
- Fri99°63°26%
- Sat94°63°24%
- Sun94°64°26%
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 — Helena West Side
SPC includes Helena West Side 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 Helena West Side
- 59636
- 59601
- 59602