Square Butte, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Square Butte weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——88°53°—
- SundayJul 5Overcast10%—86°64°-2°
- MondayJul 6Light Rain51%0.06″79°58°-7°
- TuesdayJul 7Drizzle58%—79°59°0°
- WednesdayJul 8Showers33%0.29″92°60°+13°
- ThursdayJul 9Partly Cloudy33%—78°61°-14°
- FridayJul 10Clear——88°57°+10°
AQI 46 (Good), driven by Ozone. AQI up 23 in the last 6 hours — air quality is degrading. Ozone at AQI 43 now. With UV 0.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 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 0.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 43
- UV peak
- 0.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
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
- 11:46 PM
- Moonset
- 11:34 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Square Butte at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: May 31 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Square Butte
- Sat88°53°1%
- Sun86°64°10%
- Mon79°58°51%
- Tue79°59°58%
- Wed92°60°33%
- Thu78°61°33%
- Fri88°57°2%
- Sat100°64°5%
- Sun98°71°6%
- Mon102°71°7%
- Tue105°72°15%
- Wed102°72°21%
- Thu86°69°23%
- Fri96°60°20%
- Sat91°65°24%
- Sun96°64°15%
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 — Square Butte
SPC includes Square Butte 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 Square Butte
- 59446