Casselton, North Dakota Weather
Prairie lightning bugs rise. Day 76 of spring. Read this microseason across nine climate regions →
Casselton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Heavy Drizzle58%0.11″82°65°—
- ThursdayJun 4Light Drizzle22%0.04″86°63°+4°
- FridayJun 5Overcast17%—74°61°-12°
- SaturdayJun 6Overcast——82°55°+8°
- SundayJun 7Overcast26%—85°62°+3°
- MondayJun 8Light Drizzle47%0.01″78°62°-7°
- TuesdayJun 9Overcast25%—81°62°+3°
Ozone at AQI 43 — peak already passed at 1 PM under overcast skies. AQI up 8 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 43 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 1.0 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 43
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 4.5 µg/m³, PM10 to 5.3 µg/m³.
- PM2.5/PM10
- 0.85
- Wind
- breezy
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 4:51 AM
- Moonset
- 1:00 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Casselton at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 27 (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 3, 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 — Casselton
SPC has placed Casselton in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.