Reserve, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Reserve weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle33%—83°58°—
- SundayJul 5Overcast14%—90°63°+7°
- MondayJul 6Overcast14%—84°68°-6°
- TuesdayJul 7Heavy Drizzle56%0.10″68°60°-16°
- WednesdayJul 8Overcast41%—81°55°+13°
- ThursdayJul 9Overcast24%—89°65°+8°
- FridayJul 10Clear24%—81°59°-8°
AQI 38 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 6.3 µg/m³ (AQI 35) with a 0.85 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 6.3 µg/m³ (AQI 35) with a 0.85 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.85
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:07 PM
- Moonset
- 9:56 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Reserve at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: June 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59258
15-Day Forecast — Reserve
- Sat84°58°33%
- Sun90°63°14%
- Mon84°68°14%
- Tue68°60°56%
- Wed81°55°41%
- Thu89°65°24%
- Fri81°59°24%
- Sat86°56°11%
- Sun84°67°11%
- Mon80°61°7%
- Tue92°59°18%
- Wed100°65°12%
- Thu88°70°13%
- Fri90°62°10%
- Sat105°70°6%
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 — Reserve
SPC includes Reserve in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Reserve
- 59258