McHenry, North Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
McHenry weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy15%—84°59°—
- SundayJul 5Overcast——87°64°+3°
- MondayJul 6Light Rain29%0.06″84°67°-3°
- TuesdayJul 7Drizzle58%0.06″74°57°-10°
- WednesdayJul 8Overcast58%—75°54°+1°
- ThursdayJul 9Drizzle29%—72°56°-3°
- FridayJul 10Drizzle29%—69°58°-3°
AQI 34 (Good), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 43 — 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 43 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 1.4 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 43
PM × Wind × Precip
PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.86 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- 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
- 11:42 PM
- Moonset
- 10:32 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
McHenry at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: May 31 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 58464
16-Day Forecast — McHenry
- Sat84°59°15%
- Sun87°64°2%
- Mon84°67°29%
- Tue74°57°58%
- Wed75°54°58%
- Thu72°56°29%
- Fri69°58°29%
- Sat75°53°14%
- Sun78°56°11%
- Mon83°58°9%
- Tue91°63°11%
- Wed89°69°15%
- Thu82°63°16%
- Fri69°60°19%
- Sat77°57°15%
- Sun85°59°19%
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 — McHenry
SPC has placed McHenry 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 McHenry
- 58464