Geyser, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Geyser weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——82°52°—
- SundayJul 5Overcast15%—81°59°-1°
- MondayJul 6Thunderstorm58%0.02″73°54°-8°
- TuesdayJul 7Drizzle58%—80°56°+7°
- WednesdayJul 8Heavy Showers33%0.47″87°58°+7°
- ThursdayJul 9Overcast25%—74°56°-13°
- FridayJul 10Clear——83°54°+9°
AQI 44 (Good), driven by Ozone. AQI up 18 in the last 6 hours — air quality is degrading. Ozone at AQI 45 — 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 45 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 1.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 45
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
- 11:47 PM
- Moonset
- 11:35 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Geyser at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: May 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59447
16-Day Forecast — Geyser
- Sat82°52°1%
- Sun81°58°15%
- Mon73°54°58%
- Tue80°56°58%
- Wed87°58°33%
- Thu74°56°25%
- Fri83°54°4%
- Sat94°63°9%
- Sun92°67°5%
- Mon95°69°11%
- Tue99°69°22%
- Wed95°70°22%
- Thu85°64°19%
- Fri91°56°16%
- Sat86°62°12%
- Sun91°59°20%
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 — Geyser
SPC includes Geyser 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 Geyser
- 59447