Helena Valley Southeast, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Helena Valley Southeast weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——86°56°—
- SundayJul 5Overcast31%—87°57°+1°
- MondayJul 6Light Showers54%0.24″77°58°-10°
- TuesdayJul 7Light Rain54%0.06″85°54°+8°
- WednesdayJul 8Overcast26%—90°59°+5°
- ThursdayJul 9Clear18%—83°58°-7°
- FridayJul 10Clear——88°53°+5°
AQI 36 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 11:34 PM
- Moonset
- 10:29 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Helena Valley Southeast at a glance
- Today vs. normal: 5°F below 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.
15-Day Forecast — Helena Valley Southeast
- Sat86°56°3%
- Sun87°57°31%
- Mon77°58°54%
- Tue85°54°54%
- Wed90°59°26%
- Thu83°58°18%
- Fri88°53°5%
- Sat95°57°4%
- Sun82°60°8%
- Mon90°54°11%
- Tue100°60°14%
- Wed94°68°18%
- Thu97°65°19%
- Fri99°64°17%
- Sat97°65°21%
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 — Helena Valley Southeast
SPC includes Helena Valley Southeast 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 Valley Southeast
- 59635
- 59602
- 59604