Chester, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Chester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle13%0.01″81°66°—
- SundayJul 5Overcast13%—78°65°-3°
- MondayJul 6Overcast——79°63°+1°
- TuesdayJul 7Overcast——81°63°+2°
- WednesdayJul 8Thunderstorm45%0.07″78°66°-3°
- ThursdayJul 9Foggy45%—77°59°-1°
- FridayJul 10Light Drizzle——77°62°0°
AQI 39 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 9.3 µg/m³, PM10 at 12.2 µg/m³ — typical background levels with no transport signature.
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 47 now. With UV 6.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 28 around 1 PM.
- Present
- AQI 47
- UV peak
- 6.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 28
PM × Wind × Precip
PM2.5 at 9.3 µg/m³, PM10 at 12.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.76
- Wind
- light
- Recent rain
- 1h 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:09 PM
- Moonset
- 10:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Chester at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: May 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52134
16-Day Forecast — Chester
- Sat81°66°13%
- Sun78°65°13%
- Mon79°63°1%
- Tue81°63°4%
- Wed78°66°45%
- Thu77°59°45%
- Fri77°62°9%
- Sat74°57°8%
- Sun76°55°11%
- Mon77°57°8%
- Tue79°61°5%
- Wed77°61°23%
- Thu77°64°29%
- Fri79°65°26%
- Sat69°59°21%
- Sun75°59°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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 — Chester
SPC includes Chester 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 Chester
- 52134