Garrison, North Dakota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Garrison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Rain20%0.10″75°52°—
- FridayJun 5Drizzle14%0.02″78°57°+3°
- SaturdayJun 6Overcast——87°58°+9°
- SundayJun 7Heavy Showers58%0.94″96°65°+9°
- MondayJun 8Drizzle58%—80°56°-16°
- TuesdayJun 9Thunderstorm37%—89°64°+9°
- WednesdayJun 10Thunderstorm37%—90°70°+1°
Ozone at AQI 40 — peak already passed at 1 PM under partly cloudy skies. AQI up 11 over the last 6 hours (gradual rise). Levels should ease through evening.
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 40 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 40
- UV peak
- 3.9 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 40
PM × Wind × Precip
PM2.5 at 6.0 µg/m³, PM10 at 6.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- 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
- 5:45 AM
- Moonset
- 2:22 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Garrison at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: June 1 (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
Peak growing season
As of June 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Garrison
SPC has placed Garrison in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- 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.