Whitewater, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Whitewater weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast39%—73°45°—
- FridayJun 5Overcast——82°51°+9°
- SaturdayJun 6Rain55%0.22″86°58°+4°
- SundayJun 7Rain55%0.32″63°48°-23°
- MondayJun 8Overcast33%—74°45°+11°
- TuesdayJun 9Drizzle31%0.02″83°59°+9°
- WednesdayJun 10Drizzle38%0.01″80°61°-3°
PM2.5 at 7.6 µg/m³, PM10 at 8.9 µg/m³ — typical background levels with no transport signature. AQI up 8 over the last 6 hours (gradual rise).
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 36. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 6.6 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 7.6 µg/m³, PM10 at 8.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.85
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 6:15 AM
- Moonset
- 2:43 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Whitewater at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: June 8 (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 — Whitewater
SPC has placed Whitewater in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.