Roscoe, Montana Weather
Pikas hayfeeding in granite peaks. Day 76 of spring. Read this microseason across nine climate regions →
Roscoe weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——68°44°—
- ThursdayJun 4Drizzle29%0.03″66°48°-2°
- FridayJun 5Clear——79°49°+13°
- SaturdayJun 6Overcast10%—87°59°+8°
- SundayJun 7Drizzle52%—70°50°-17°
- MondayJun 8Light Drizzle22%—76°41°+6°
- TuesdayJun 9Overcast18%—67°50°-9°
Ozone at AQI 58 now. AQI up 15 in the last 6 hours — air quality is degrading. With UV 7.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 57 by mid-afternoon.
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 58 now. With UV 7.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 57 by mid-afternoon.
- Present
- AQI 58
- UV peak
- 7.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 57
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).










































The higher the clouds, the finer the weather.
- Moonrise
- 5:35 AM
- Moonset
- 1:59 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Roscoe at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: May 18 (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 3, 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 — Roscoe
SPC has placed Roscoe in the General Thunderstorms category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- 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.