Mammoth, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Mammoth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——81°54°—
- SundayJul 5Drizzle18%0.07″83°57°+2°
- MondayJul 6Drizzle61%0.04″74°53°-9°
- TuesdayJul 7Drizzle61%—80°51°+6°
- WednesdayJul 8Overcast24%—86°57°+6°
- ThursdayJul 9Clear24%—81°57°-5°
- FridayJul 10Clear——84°52°+3°
AQI 38 (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
- 11:33 PM
- Moonset
- 10:31 AM
- In sign
- ♒︎ Aquarius
Monsoon storms drench the south
Mammoth at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: May 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Mammoth
- Fri75°52°4%
- Sat81°55°3%
- Sun83°56°18%
- Mon73°53°61%
- Tue80°52°61%
- Wed86°56°24%
- Thu81°53°24%
- Fri85°55°7%
- Sat90°60°4%
- Sun94°64°4%
- Mon101°68°11%
- Tue95°66°18%
- Wed89°64°26%
- Thu82°57°29%
- Fri78°49°36%
- Sat85°53°39%
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 — Mammoth
SPC includes Mammoth 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 Mammoth
- 59747
- 59721