Twin Hills Colony, Montana Weather
Summer heat breaks with monsoon. Day 43 of summer. Read this microseason across nine climate regions →
Twin Hills Colony weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Clear——80°62°—
- MondayAug 3Overcast——67°50°-13°
- TuesdayAug 4Overcast——75°50°+8°
- WednesdayAug 5Overcast——83°57°+8°
- ThursdayAug 6Clear——95°61°+12°
- FridayAug 7Overcast——98°68°+3°
- SaturdayAug 8Overcast——84°60°-14°
AQI 62 (Moderate), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 35 now. With UV 4.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19.
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 35 now. With UV 4.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19.
- Present
- AQI 35
- UV peak
- 4.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 19
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).
Red sky at night, sailor's delight.
- Moonrise
- 10:10 PM
- Moonset
- 10:35 AM
- In sign
- ♓︎ Pisces
Summer heat breaks with monsoon
Twin Hills Colony at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: June 3 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
16-Day Forecast — Twin Hills Colony
- Sun80°62°0%
- Mon67°50°8%
- Tue75°50°0%
- Wed83°57°0%
- Thu95°61°1%
- Fri98°68°0%
- Sat84°60°1%
- Sun87°61°7%
- Mon82°62°10%
- Tue74°57°14%
- Wed82°61°14%
- Thu65°58°12%
- Fri78°56°13%
- Sat89°61°16%
- Sun92°64°13%
- Mon88°68°15%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of August 2, 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.
Sun & seasons in Twin Hills Colony
Twin Hills Colony sits in Chouteau County, where the year’s longest day runs 16h 3m of daylight and its shortest just 8h 22m — a swing of +7h 41m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Billings, the state’s largest city, lies about 194 miles to the SE. The nearest town Twin Hills Colony tracks is Sunnybrook Colony, roughly 19 miles to the ENE.
ZIP codes in Twin Hills Colony
- 59420