Ismay, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Ismay weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——99°62°—
- MondayJul 6Overcast——88°69°-11°
- TuesdayJul 7Thunderstorm70%0.54″82°64°-6°
- WednesdayJul 8Drizzle52%0.02″89°64°+7°
- ThursdayJul 9Overcast18%—92°67°+3°
- FridayJul 10Light Drizzle11%—97°72°+5°
- SaturdayJul 11Mostly Clear11%—102°72°+5°
AQI 39 (Good), driven by Ozone. AQI up 5 over the last 6 hours (gradual rise). Ozone at AQI 56 now. With UV 7.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 59 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 56 now. With UV 7.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 59 around 1 PM.
- Present
- AQI 56
- UV peak
- 7.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 59
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
- 11:23 PM
- Moonset
- 11:12 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Ismay at a glance
- Today vs. normal: 34°F above the seasonal normal for this latitude
- Last frost: May 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59336
16-Day Forecast — Ismay
- Sun100°62°8%
- Mon88°68°6%
- Tue82°64°70%
- Wed89°64°52%
- Thu92°67°18%
- Fri97°72°11%
- Sat102°72°11%
- Sun105°74°3%
- Mon109°75°6%
- Tue102°72°12%
- Wed100°78°15%
- Thu101°73°13%
- Fri109°78°9%
- Sat93°79°14%
- Sun97°68°16%
- Mon97°74°19%
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 — Ismay
SPC has placed Ismay in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Ismay
- 59336