Morning Sun, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Morning Sun weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast40%—84°70°—
- SundayJul 5Overcast11%—84°69°0°
- MondayJul 6Overcast——81°68°-3°
- TuesdayJul 7Mostly Clear——83°64°+2°
- WednesdayJul 8T-storm w/ Hail26%—85°65°+2°
- ThursdayJul 9Thunderstorm43%0.37″79°68°-6°
- FridayJul 10Overcast22%—80°67°+1°
AQI 39 (Good), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise). Ozone at AQI 38. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.
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 38. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 5.7 µg/m³ (AQI 32) with a 0.81 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- Wind
- calm
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:24 PM
- Moonset
- 11:17 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Morning Sun at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52640
16-Day Forecast — Morning Sun
- Sat84°70°40%
- Sun84°69°11%
- Mon81°68°2%
- Tue83°64°1%
- Wed85°65°26%
- Thu79°68°43%
- Fri80°67°22%
- Sat75°64°7%
- Sun76°55°15%
- Mon79°59°7%
- Tue83°64°4%
- Wed85°71°19%
- Thu88°70°23%
- Fri88°73°16%
- Sat90°75°23%
- Sun83°65°24%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Morning Sun
SPC includes Morning Sun in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.
ZIP codes in Morning Sun
- 52640