Cyr, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Cyr weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 3Overcast——80°56°—
- SaturdayJul 4Overcast——84°61°+4°
- SundayJul 5Overcast——87°60°+3°
- MondayJul 6Overcast32%—86°52°-1°
- TuesdayJul 7Overcast32%—92°55°+6°
- WednesdayJul 8Overcast——90°59°-2°
- ThursdayJul 9Overcast——87°51°-3°
AQI 42 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 34 now. With UV 0.0 peaking around 1 PM under clear 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 34 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.
- Present
- AQI 34
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- 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
- 11:46 PM
- Moonset
- 10:40 AM
- In sign
- ♒︎ Aquarius
Monsoon storms drench the south
Cyr at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: May 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Cyr
- Fri80°56°0%
- Sat84°61°2%
- Sun87°60°0%
- Mon86°52°32%
- Tue92°55°32%
- Wed90°59°7%
- Thu87°51°4%
- Fri90°53°2%
- Sat96°54°1%
- Sun107°59°3%
- Mon110°65°4%
- Tue103°70°6%
- Wed93°65°6%
- Thu94°55°7%
- Fri95°57°11%
- Sat99°58°14%
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 Cyr
- 59820