Forty Mile Colony, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Forty Mile Colony weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——90°58°—
- SundayJul 5Overcast10%—95°64°+5°
- MondayJul 6Light Drizzle29%—96°68°+1°
- TuesdayJul 7Overcast35%—84°62°-12°
- WednesdayJul 8Rain35%0.26″97°60°+13°
- ThursdayJul 9Light Drizzle22%—96°64°-1°
- FridayJul 10Clear10%—92°62°-4°
AQI 40 (Good), driven by Ozone. AQI down 17 over the last 6 hours — air quality is improving sharply.
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
- 11:13 PM
- Moonset
- 10:12 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Forty Mile Colony at a glance
- Today vs. normal: 64°F — typical for the season
- Last frost: May 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Forty Mile Colony
- Sat90°58°9%
- Sun95°64°10%
- Mon96°68°29%
- Tue84°62°35%
- Wed97°60°35%
- Thu96°64°22%
- Fri92°62°10%
- Sat101°61°4%
- Sun100°67°4%
- Mon91°59°7%
- Tue104°64°16%
- Wed107°75°18%
- Thu101°70°19%
- Fri102°69°19%
- Sat109°72°22%
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 — Forty Mile Colony
SPC includes Forty Mile Colony 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 Forty Mile Colony
- 59050