Herman, Minnesota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Herman weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Heavy Rain57%0.37″85°65°—
- ThursdayJun 4Light Drizzle35%0.04″82°65°-3°
- FridayJun 5Overcast29%—81°60°-1°
- SaturdayJun 6Overcast——83°60°+2°
- SundayJun 7Overcast18%—85°64°+2°
- MondayJun 8Drizzle58%0.02″79°69°-6°
- TuesdayJun 9Mostly Clear23%—88°66°+9°
Ozone at AQI 39 now. AQI flat over the last 6 hours (within ±3 points). With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 by mid-afternoon.
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 39 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 by mid-afternoon.
- Present
- AQI 39
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 6.5 µg/m³, PM10 to 7.9 µg/m³.
- PM2.5/PM10
- 0.82
- Wind
- breezy
- Recent rain
- 3h in last 6h
- Pattern
- washed out
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:15 AM
- Moonset
- 2:07 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Herman at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: May 21 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Herman
SPC has placed Herman in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3MRGLMarginal 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.