Williston, North Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Williston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle46%0.01″88°58°—
- SundayJul 5Overcast——96°64°+8°
- MondayJul 6Overcast20%—84°65°-12°
- TuesdayJul 7Rain53%0.52″69°59°-15°
- WednesdayJul 8Light Drizzle51%0.01″77°58°+8°
- ThursdayJul 9Thunderstorm24%—81°62°+4°
- FridayJul 10Overcast13%—71°57°-10°
AQI 54 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 47 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 47 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 47
- UV peak
- 2.1 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 47
PM × Wind × Precip
PM2.5 at 4.6 µg/m³ (AQI 26) with a 0.75 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- 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
- 12:03 AM
- Moonset
- 10:53 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Williston at a glance
- Today vs. normal: 25°F above the seasonal normal for this latitude
- Last frost: June 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 58801
16-Day Forecast — Williston
- Sat88°58°46%
- Sun96°64°8%
- Mon84°65°20%
- Tue69°59°53%
- Wed77°58°51%
- Thu81°62°24%
- Fri71°57°13%
- Sat82°56°13%
- Sun94°63°4%
- Mon99°68°6%
- Tue95°73°11%
- Wed106°70°12%
- Thu84°63°10%
- Fri78°65°10%
- Sat86°60°10%
- Sun93°66°13%
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 — Williston
SPC has placed Williston 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 Williston
- 58801
- 58802
- 58803