Grass Range, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Grass Range weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——90°53°—
- SundayJul 5Rain29%0.24″90°63°0°
- MondayJul 6Light Drizzle46%—80°57°-10°
- TuesdayJul 7Light Showers69%—75°60°-5°
- WednesdayJul 8Heavy Drizzle46%0.06″92°60°+17°
- ThursdayJul 9Overcast46%—78°57°-14°
- FridayJul 10Clear——87°56°+9°
AQI 44 (Good), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 43 now. With UV 0.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.
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 43 now. With UV 0.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 43
- UV peak
- 0.5 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 7
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
- 11:40 PM
- Moonset
- 11:28 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Grass Range at a glance
- Today vs. normal: 21°F above the seasonal normal for this latitude
- Last frost: May 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59032
16-Day Forecast — Grass Range
- Sat90°53°1%
- Sun90°63°29%
- Mon80°57°46%
- Tue75°60°69%
- Wed92°60°46%
- Thu78°57°46%
- Fri87°56°5%
- Sat100°63°5%
- Sun99°72°5%
- Mon101°71°8%
- Tue104°73°24%
- Wed103°76°24%
- Thu96°69°23%
- Fri98°62°10%
- Sat93°67°6%
- Sun90°64°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 — Grass Range
SPC has placed Grass Range 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 Grass Range
- 59032