Calvin, North Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Calvin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——78°57°—
- SundayJul 5Light Showers48%0.05″84°62°+6°
- MondayJul 6Thunderstorm60%0.02″79°64°-5°
- TuesdayJul 7Light Drizzle38%0.02″68°55°-11°
- WednesdayJul 8Overcast38%—73°52°+5°
- ThursdayJul 9Overcast19%—74°56°+1°
- FridayJul 10Clear28%—72°56°-2°
AQI 28 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.7 µg/m³ (AQI 48) with a 0.95 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 8.7 µg/m³ (AQI 48) with a 0.95 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:46 PM
- Moonset
- 10:31 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Calvin at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: June 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 58323
16-Day Forecast — Calvin
- Sat78°57°9%
- Sun84°62°48%
- Mon79°64°60%
- Tue68°55°38%
- Wed73°52°38%
- Thu74°56°19%
- Fri72°56°28%
- Sat70°54°28%
- Sun74°52°14%
- Mon83°62°13%
- Tue83°64°12%
- Wed75°54°28%
- Thu74°59°29%
- Fri76°55°13%
- Sat82°58°23%
- Sun85°64°24%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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 includes Calvin in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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.
ZIP codes in Calvin
- 58323