Mahnomen, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mahnomen weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle24%0.01″84°63°—
- SundayJul 5Mostly Clear——85°62°+1°
- MondayJul 6Heavy Showers67%0.32″88°66°+3°
- TuesdayJul 7Thunderstorm67%0.03″80°63°-8°
- WednesdayJul 8Heavy Showers68%0.62″78°60°-2°
- ThursdayJul 9Overcast14%—80°57°+2°
- FridayJul 10Partly Cloudy11%—78°62°-2°
AQI 38 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.71 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 36 now. With UV 4.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 16 around 1 PM.
- Present
- AQI 36
- UV peak
- 4.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.71 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.71
- 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
- 11:31 PM
- Moonset
- 10:21 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mahnomen at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 56557
16-Day Forecast — Mahnomen
- Sat84°63°24%
- Sun85°62°5%
- Mon88°66°67%
- Tue80°63°67%
- Wed78°60°68%
- Thu80°57°14%
- Fri78°62°11%
- Sat71°55°16%
- Sun79°52°16%
- Mon82°56°9%
- Tue88°66°11%
- Wed78°56°11%
- Thu85°57°19%
- Fri87°59°17%
- Sat88°62°16%
- Sun101°73°21%
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 — Mahnomen
SPC has placed Mahnomen 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 Mahnomen
- 56557