St. John, North Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
St. John weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy12%—77°57°—
- SundayJul 5Overcast45%—86°64°+9°
- MondayJul 6Light Rain70%0.08″77°62°-9°
- TuesdayJul 7Rain37%0.15″64°53°-13°
- WednesdayJul 8Overcast37%—72°51°+8°
- ThursdayJul 9Drizzle30%0.09″72°55°0°
- FridayJul 10Clear30%—72°55°0°
AQI 22 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 6.8 µg/m³ (AQI 38) with a 0.96 fine-to-coarse ratio and 3 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 6.8 µg/m³ (AQI 38) with a 0.96 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 11:49 PM
- Moonset
- 10:35 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
St. John at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: June 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. John
- Sat77°57°12%
- Sun86°64°45%
- Mon77°62°70%
- Tue64°53°37%
- Wed72°51°37%
- Thu72°55°30%
- Fri72°55°30%
- Sat70°53°28%
- Sun74°51°11%
- Mon83°60°14%
- Tue77°62°13%
- Wed76°54°15%
- Thu72°57°17%
- Fri76°54°13%
- Sat82°57°17%
- Sun85°64°26%
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 — St. John
SPC has placed St. John in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 St. John
- 58369