Mapleton, Iowa Weather
Prairie lightning bugs rise. Day 76 of spring. Read this microseason across nine climate regions →
Mapleton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——84°58°—
- ThursdayJun 4Heavy Rain58%0.48″76°66°-8°
- FridayJun 5Thunderstorm43%0.02″87°65°+11°
- SaturdayJun 6Overcast43%—85°63°-2°
- SundayJun 7Light Showers45%—84°68°-1°
- MondayJun 8Light Drizzle45%—82°67°-2°
- TuesdayJun 9Thunderstorm16%—84°67°+2°
Ozone at AQI 65 — peak already passed at 1 PM under clear skies. AQI up 24 in the last 6 hours — air quality is degrading. Levels should ease through evening.
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 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 65
- UV peak
- 0.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 65
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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:24 AM
- Moonset
- 1:14 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Mapleton at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 29 (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 3, 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 — Mapleton
SPC has placed Mapleton in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3SLGTSlight 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.