Plains, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Plains weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——87°49°—
- SundayJul 5Overcast——86°63°-1°
- MondayJul 6Overcast——83°59°-3°
- TuesdayJul 7Overcast——96°57°+13°
- WednesdayJul 8Light Drizzle——83°61°-13°
- ThursdayJul 9Overcast——86°53°+3°
- FridayJul 10Clear——96°54°+10°
AQI 44 (Good), driven by Ozone. AQI up 16 in the last 6 hours — air quality is degrading. Ozone at AQI 56 — 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 56 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 56
- UV peak
- 2.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 56
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
- 12:04 AM
- Moonset
- 11:54 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Plains at a glance
- Today vs. normal: 22°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.
ZIP code: 59859
16-Day Forecast — Plains
- Sat87°49°0%
- Sun86°62°0%
- Mon83°59°6%
- Tue96°57°6%
- Wed83°61°3%
- Thu86°53°1%
- Fri96°54°0%
- Sat97°59°2%
- Sun92°60°2%
- Mon99°60°2%
- Tue105°62°7%
- Wed96°61°9%
- Thu94°59°11%
- Fri100°58°3%
- Sat103°61°3%
- Sun105°63°5%
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.
ZIP codes in Plains
- 59859