Welton, Iowa Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Welton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast18%—84°57°—
- FridayJun 5Rain58%0.35″79°67°-5°
- SaturdayJun 6Heavy Showers67%0.91″81°66°+2°
- SundayJun 7Light Showers27%—84°67°+3°
- MondayJun 8Showers56%—78°67°-6°
- TuesdayJun 9Overcast39%—81°70°+3°
- WednesdayJun 10Thunderstorm29%—90°72°+9°
Ozone at AQI 32 now. AQI down 26 over the last 6 hours — air quality is improving sharply. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 14 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 32 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 14 by mid-afternoon.
- Present
- AQI 32
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.90 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- light
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:38 AM
- Moonset
- 1:59 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Welton at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: April 27 (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 — Welton
SPC has placed Welton 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.