Big Arm, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Big Arm weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——80°60°—
- SundayJul 5Overcast——81°57°+1°
- MondayJul 6Overcast25%—78°48°-3°
- TuesdayJul 7Overcast25%—86°53°+8°
- WednesdayJul 8Overcast——83°57°-3°
- ThursdayJul 9Overcast——76°55°-7°
- FridayJul 10Clear——80°45°+4°
AQI 39 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 10:38 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Big Arm at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: June 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59910
15-Day Forecast — Big Arm
- Sat80°60°1%
- Sun81°57°0%
- Mon78°48°25%
- Tue86°53°25%
- Wed83°57°7%
- Thu76°55°4%
- Fri80°45°2%
- Sat87°50°2%
- Sun76°52°3%
- Mon84°48°6%
- Tue92°54°5%
- Wed88°59°9%
- Thu91°59°10%
- Fri88°56°6%
- Sat87°59°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.
ZIP codes in Big Arm
- 59860
- 59910