Vaughn, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Vaughn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast11%—72°52°—
- FridayJun 5Overcast——79°48°+7°
- SaturdayJun 6Heavy Drizzle24%0.04″75°50°-4°
- SundayJun 7Light Rain33%0.18″56°44°-19°
- MondayJun 8Light Drizzle18%—70°39°+14°
- TuesdayJun 9Overcast37%—71°48°+1°
- WednesdayJun 10Drizzle48%0.21″55°50°-16°
Ozone at AQI 42. AQI flat over the last 6 hours (within ±3 points). Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 42
- UV peak
- 6.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 18
PM × Wind × Precip
PM2.5/PM10 ratio 0.67 with 14 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.67
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 6:26 AM
- Moonset
- 3:05 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Vaughn at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: May 31 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Warm-season window is open
As of June 4, 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 — Vaughn
SPC has placed Vaughn in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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.