Menno, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Menno weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy10%—89°68°—
- SundayJul 5Overcast——90°68°+1°
- MondayJul 6Overcast——94°68°+4°
- TuesdayJul 7Light Drizzle25%—98°71°+4°
- WednesdayJul 8Heavy Drizzle47%—83°68°-15°
- ThursdayJul 9Heavy Drizzle20%0.12″87°63°+4°
- FridayJul 10Overcast11%—81°63°-6°
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.7 µg/m³ (AQI 58) with a 0.73 fine-to-coarse ratio and 2 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 44 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
- Present
- AQI 44
- UV peak
- 6.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 12.7 µg/m³ (AQI 58) with a 0.73 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.73
- 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
- 10:33 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Menno at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57045
16-Day Forecast — Menno
- Sat89°68°10%
- Sun90°68°8%
- Mon94°68°4%
- Tue98°71°25%
- Wed83°68°47%
- Thu87°63°20%
- Fri81°63°11%
- Sat83°58°11%
- Sun84°63°9%
- Mon89°63°5%
- Tue92°65°4%
- Wed98°70°7%
- Thu90°73°13%
- Fri88°64°17%
- Sat82°59°25%
- Sun87°57°29%
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 — Menno
SPC has placed Menno 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 Menno
- 57045