Calvin, North Dakota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Calvin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——73°54°—
- FridayJun 5Light Drizzle13%0.03″71°55°-2°
- SaturdayJun 6Overcast——82°55°+11°
- SundayJun 7Thunderstorm63%—84°65°+2°
- MondayJun 8Showers63%—74°55°-10°
- TuesdayJun 9Light Drizzle31%—82°57°+8°
- WednesdayJun 10Thunderstorm36%—89°68°+7°
AQI 15 (Good), driven by Ozone. AQI down 15 over the last 6 hours — air quality is improving sharply.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 5:40 AM
- Moonset
- 2:06 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Calvin at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- 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
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 — Calvin
SPC has placed Calvin 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.