Basin, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Basin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——76°48°—
- SundayJul 5Overcast27%—77°52°+1°
- MondayJul 6Showers64%0.24″71°50°-6°
- TuesdayJul 7Showers64%0.14″78°49°+7°
- WednesdayJul 8Overcast47%—82°54°+4°
- ThursdayJul 9Clear15%—72°51°-10°
- FridayJul 10Clear——76°48°+4°
AQI 37 (Good), driven by Ozone. AQI down 5 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
- 11:35 PM
- Moonset
- 10:31 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Basin at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: May 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59631
15-Day Forecast — Basin
- Sat76°48°7%
- Sun77°52°27%
- Mon71°50°64%
- Tue78°49°64%
- Wed82°54°47%
- Thu72°51°15%
- Fri76°48°6%
- Sat86°53°6%
- Sun72°51°7%
- Mon80°46°11%
- Tue89°57°15%
- Wed90°65°19%
- Thu87°60°16%
- Fri90°60°11%
- Sat88°59°15%
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 — Basin
SPC includes Basin 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 Basin
- 59631