Shelby, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Shelby weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——84°52°—
- SundayJul 5Overcast——81°55°-3°
- MondayJul 6Light Drizzle31%—76°53°-5°
- TuesdayJul 7Overcast40%—83°58°+7°
- WednesdayJul 8Overcast20%—89°58°+6°
- ThursdayJul 9Overcast13%—77°58°-12°
- FridayJul 10Clear——87°56°+10°
AQI 44 (Good), driven by Ozone. AQI up 22 in the last 6 hours — air quality is degrading. Ozone at AQI 48 — peak already passed at 1 PM under partly cloudy 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 48 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 48
- UV peak
- 1.8 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 48
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
- 11:53 PM
- Moonset
- 11:41 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Shelby at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: June 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59474
16-Day Forecast — Shelby
- Sat84°52°0%
- Sun81°54°1%
- Mon76°53°31%
- Tue83°58°40%
- Wed89°58°20%
- Thu77°58°13%
- Fri87°56°2%
- Sat95°62°4%
- Sun91°67°3%
- Mon95°63°9%
- Tue102°64°11%
- Wed94°67°14%
- Thu78°62°18%
- Fri91°57°13%
- Sat86°61°9%
- Sun88°62°10%
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 — Shelby
SPC includes Shelby in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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 Shelby
- 59474