Arthur, North Dakota Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Arthur weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear11%—84°63°—
- SundayJul 5Overcast——86°63°+2°
- MondayJul 6Heavy Drizzle61%—89°67°+3°
- TuesdayJul 7Light Drizzle61%—74°59°-15°
- WednesdayJul 8Overcast66%—76°56°+2°
- ThursdayJul 9Light Drizzle20%—74°57°-2°
- FridayJul 10Light Drizzle20%—74°59°0°
AQI 47 (Good), driven by Ozone. AQI up 21 in the last 6 hours — air quality is degrading. Ozone at AQI 50 now. With UV 0.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 12 around 1 PM.
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 50 now. With UV 0.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 12 around 1 PM.
- Present
- AQI 50
- UV peak
- 0.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 12
PM × Wind × Precip
PM2.5 at 8.0 µg/m³ (AQI 44) with a 0.78 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- 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
- 11:52 PM
- Moonset
- 11:40 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Arthur at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: May 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 58006
16-Day Forecast — Arthur
- Sat84°63°17%
- Sun86°63°1%
- Mon89°67°61%
- Tue78°63°61%
- Wed76°56°66%
- Thu74°57°20%
- Fri73°58°20%
- Sat77°54°12%
- Sun80°56°9%
- Mon84°57°9%
- Tue91°63°10%
- Wed91°70°10%
- Thu81°68°18%
- Fri72°63°24%
- Sat77°59°17%
- Sun84°59°20%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Arthur
SPC has placed Arthur in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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 Arthur
- 58006