Gallatin Gateway, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Gallatin Gateway weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——84°49°—
- SundayJul 5Overcast27%—87°59°+3°
- MondayJul 6Drizzle60%—77°56°-10°
- TuesdayJul 7Showers60%0.21″81°53°+4°
- WednesdayJul 8Rain22%0.21″88°55°+7°
- ThursdayJul 9Clear19%—81°52°-7°
- FridayJul 10Clear——86°53°+5°
AQI 48 (Good), driven by Ozone. AQI up 18 in the last 6 hours — air quality is degrading. Ozone at AQI 45 now. With UV 0.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 8 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 45 now. With UV 0.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 8 around 1 PM.
- Present
- AQI 45
- UV peak
- 0.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 8
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
- 11:48 PM
- Moonset
- 11:39 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Gallatin Gateway at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59730
16-Day Forecast — Gallatin Gateway
- Sat84°49°0%
- Sun87°59°27%
- Mon77°56°60%
- Tue81°53°60%
- Wed88°55°22%
- Thu81°52°19%
- Fri86°53°2%
- Sat98°59°3%
- Sun99°65°6%
- Mon99°65°14%
- Tue100°65°27%
- Wed104°63°28%
- Thu102°65°29%
- Fri101°61°20%
- Sat100°65°25%
- Sun95°60°26%
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 — Gallatin Gateway
SPC has placed Gallatin Gateway 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 Gallatin Gateway
- 59718
- 59730