Choteau, Montana Weather
Thunderheads build by noon. Day 90 of spring. Read this microseason across nine climate regions →
Choteau weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast17%—83°56°—
- WednesdayJun 17Overcast24%—68°51°-15°
- ThursdayJun 18Overcast26%—64°46°-4°
- FridayJun 19Overcast——72°45°+8°
- SaturdayJun 20Drizzle—0.01″80°49°+8°
- SundayJun 21Light Drizzle15%—67°48°-13°
- MondayJun 22Overcast15%—77°45°+10°
AQI 44 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 42 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 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 42 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 42
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 7
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:03 AM
- Moonset
- 11:41 PM
- In sign
- ♋︎ Cancer
Thunderheads build by noon
Choteau at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: June 2 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Choteau
- Tue83°56°17%
- Wed68°51°24%
- Thu64°46°26%
- Fri72°45°1%
- Sat80°49°8%
- Sun67°48°15%
- Mon77°45°15%
- Tue88°54°6%
- Wed85°64°22%
- Thu73°52°22%
- Fri60°45°19%
- Sat71°45°24%
- Sun71°47°39%
- Mon74°46°39%
- Tue86°52°23%
- Wed93°60°30%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
SPC Convective Outlook
Storm Prediction Center — Choteau
SPC has placed Choteau in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Choteau
- 59422