Helena Flats, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Helena Flats weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——82°49°—
- SundayJul 5Overcast——82°52°0°
- MondayJul 6Overcast——77°54°-5°
- TuesdayJul 7Overcast——84°53°+7°
- WednesdayJul 8Light Drizzle——79°55°-5°
- ThursdayJul 9Mostly Clear——80°50°+1°
- FridayJul 10Clear——84°50°+4°
AQI 45 (Good), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 60 — 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 60 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 60
- UV peak
- 1.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 60
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
- 12:02 AM
- Moonset
- 11:51 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Helena Flats at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: June 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Helena Flats
- Sat82°49°1%
- Sun82°52°1%
- Mon77°54°7%
- Tue84°53°7%
- Wed79°55°4%
- Thu80°50°4%
- Fri84°50°0%
- Sat89°53°2%
- Sun88°55°2%
- Mon93°54°3%
- Tue97°54°4%
- Wed92°55°11%
- Thu90°54°16%
- Fri93°51°3%
- Sat95°55°3%
- Sun97°57°12%
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.
ZIP codes in Helena Flats
- 59901