Petersburg, North Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Petersburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——79°58°—
- SundayJul 5Overcast——85°63°+6°
- MondayJul 6T-storm w/ Hail32%—82°67°-3°
- TuesdayJul 7Drizzle49%—72°59°-10°
- WednesdayJul 8Light Drizzle57%—74°55°+2°
- ThursdayJul 9Overcast10%—76°58°+2°
- FridayJul 10Mostly Clear24%—75°59°-1°
AQI 23 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 6.4 µg/m³ (AQI 36) with a 0.96 fine-to-coarse ratio and 6 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 6.4 µg/m³ (AQI 36) with a 0.96 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- Wind
- light
- 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
- 11:40 PM
- Moonset
- 10:29 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Petersburg at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: June 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 58272
16-Day Forecast — Petersburg
- Sat79°58°9%
- Sun85°63°3%
- Mon82°67°32%
- Tue72°59°49%
- Wed74°55°57%
- Thu76°58°10%
- Fri75°59°24%
- Sat70°54°24%
- Sun74°53°12%
- Mon85°60°12%
- Tue88°65°9%
- Wed76°55°11%
- Thu81°59°16%
- Fri78°56°11%
- Sat78°59°13%
- Sun91°71°17%
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 — Petersburg
SPC has placed Petersburg in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
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 Petersburg
- 58272