Riverton, Minnesota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Riverton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——80°58°—
- ThursdayJun 4Drizzle53%0.06″79°63°-1°
- FridayJun 5Overcast51%—80°58°+1°
- SaturdayJun 6Overcast12%—83°54°+3°
- SundayJun 7Overcast12%—82°57°-1°
- MondayJun 8Showers62%0.24″70°66°-12°
- TuesdayJun 9Foggy51%—82°62°+12°
Ozone at AQI 500. AQI flat over the last 6 hours (within ±3 points). Overcast through the UV peak window (cloud cover ~82%) — afternoon ozone should stay flat.
AVOID OUTDOORS Avoid outdoor exertion. Keep windows closed; use HEPA filtration indoors if available.
What's driving it
Ozone × UV × Sky
Ozone at AQI 500. Overcast through the UV peak window (cloud cover ~82%) — afternoon ozone should stay flat.
- Present
- AQI 500
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 60
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 4.8 µg/m³, PM10 to 5.2 µg/m³.
- PM2.5/PM10
- 0.92
- Wind
- light
- Recent rain
- 2h 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
- 5:09 AM
- Moonset
- 1:56 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Riverton at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: May 25 (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 — Riverton
SPC has placed Riverton in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal 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.