Arco, Minnesota Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Arco weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy22%—85°61°—
- MondayJul 6Overcast——88°66°+3°
- TuesdayJul 7T-storm w/ Hail34%—86°69°-2°
- WednesdayJul 8Showers68%—82°65°-4°
- ThursdayJul 9Overcast22%—78°62°-4°
- FridayJul 10Overcast——80°63°+2°
- SaturdayJul 11Overcast——88°63°+8°
AQI 39 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 50 — 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 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 4.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 8.1 µg/m³, PM10 at 10.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.79
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:46 PM
- Moonset
- 11:36 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Arco at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: May 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 56113
16-Day Forecast — Arco
- Sun85°61°22%
- Mon88°66°8%
- Tue86°69°34%
- Wed82°65°68%
- Thu78°62°22%
- Fri80°63°6%
- Sat88°63°8%
- Sun94°66°7%
- Mon79°57°4%
- Tue81°61°6%
- Wed83°58°11%
- Thu88°64°17%
- Fri93°68°19%
- Sat99°72°17%
- Sun95°73°21%
- Mon104°74°23%
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 — Arco
SPC has placed Arco in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Arco
- 56113