Riverside, Iowa Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Riverside weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast10%—85°57°—
- FridayJun 5Rain60%0.44″79°67°-6°
- SaturdayJun 6Showers71%—83°68°+4°
- SundayJun 7Showers61%0.05″84°70°+1°
- MondayJun 8Thunderstorm62%0.02″85°67°+1°
- TuesdayJun 9Light Drizzle43%—86°68°+1°
- WednesdayJun 10Overcast15%—84°70°-2°
Ozone at AQI 65 now. AQI flat over the last 6 hours (within ±3 points). With UV 8.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 74 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 65 now. With UV 8.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 74 by mid-afternoon.
- Present
- AQI 65
- UV peak
- 8.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 74
PM × Wind × Precip
PM2.5 at 6.5 µg/m³, PM10 at 8.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.76
- Wind
- breezy
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:41 AM
- Moonset
- 2:04 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Riverside at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 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 — Riverside
SPC has placed Riverside 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.