Three Forks, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Three Forks weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——89°48°—
- SundayJul 5Heavy Drizzle29%0.06″92°60°+3°
- MondayJul 6Light Showers68%0.06″78°57°-14°
- TuesdayJul 7Drizzle68%—85°54°+7°
- WednesdayJul 8Light Showers28%0.04″90°56°+5°
- ThursdayJul 9Clear28%—86°53°-4°
- FridayJul 10Clear——89°54°+3°
AQI 44 (Good), driven by Ozone. AQI up 20 in the last 6 hours — air quality is degrading. Ozone at AQI 49 — 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 49 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 49
- UV peak
- 1.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 49
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
- 11:50 PM
- Moonset
- 11:40 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Three Forks at a glance
- Today vs. normal: 22°F above the seasonal normal for this latitude
- Last frost: May 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59752
16-Day Forecast — Three Forks
- Sat89°48°1%
- Sun92°60°29%
- Mon78°57°68%
- Tue85°54°68%
- Wed90°56°28%
- Thu86°53°28%
- Fri89°54°2%
- Sat101°58°2%
- Sun99°63°6%
- Mon102°64°11%
- Tue100°65°22%
- Wed106°62°22%
- Thu103°63°19%
- Fri104°60°16%
- Sat98°63°10%
- Sun94°61°18%
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 — Three Forks
SPC has placed Three Forks in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Three Forks
- 59752