Sand Coulee, Montana Weather
Pikas hayfeeding in granite peaks. Day 78 of spring. Read this microseason across nine climate regions →
Sand Coulee weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast20%—74°52°—
- FridayJun 5Overcast——76°49°+2°
- SaturdayJun 6Light Drizzle52%—71°48°-5°
- SundayJun 7Showers52%0.29″57°43°-14°
- MondayJun 8Overcast36%—70°43°+13°
- TuesdayJun 9Showers55%0.20″68°49°-2°
- WednesdayJun 10Light Drizzle55%0.01″58°39°-10°
AQI 39 (Good), driven by Ozone. AQI down 5 over the last 6 hours (steady decline since this morning).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 4.5 µg/m³, PM10 at 5.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 6:49 AM
- Moonset
- 4:15 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Sand Coulee at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: May 30 (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 5, 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 — Sand Coulee
SPC has placed Sand Coulee 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.