Granite Falls, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Granite Falls weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle19%0.01″87°62°—
- SundayJul 5Overcast15%—87°64°0°
- MondayJul 6Overcast26%—86°66°-1°
- TuesdayJul 7Drizzle37%—90°69°+4°
- WednesdayJul 8Thunderstorm55%0.05″78°69°-12°
- ThursdayJul 9Overcast31%—79°61°+1°
- FridayJul 10Thunderstorm14%0.01″88°63°+9°
AQI 40 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 35 now. With UV 5.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 24 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 35 now. With UV 5.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 24 around 1 PM.
- Present
- AQI 35
- UV peak
- 5.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 24
PM × Wind × Precip
PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.82 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- 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
- 11:25 PM
- Moonset
- 10:23 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Granite Falls at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: May 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 56241
16-Day Forecast — Granite Falls
- Sat87°62°19%
- Sun87°64°15%
- Mon86°66°26%
- Tue90°69°37%
- Wed78°69°55%
- Thu79°61°31%
- Fri88°63°14%
- Sat76°62°15%
- Sun76°54°13%
- Mon79°56°7%
- Tue87°64°7%
- Wed82°63°11%
- Thu85°58°12%
- Fri92°68°15%
- Sat90°70°20%
- Sun98°73°23%
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 — Granite Falls
SPC has placed Granite Falls in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe 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 Granite Falls
- 56241