Mount Sterling, Iowa Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mount Sterling weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast19%—88°71°—
- SundayJul 5Overcast12%—87°71°-1°
- MondayJul 6Overcast——82°68°-5°
- TuesdayJul 7Partly Cloudy——83°64°+1°
- WednesdayJul 8Light Drizzle16%—86°64°+3°
- ThursdayJul 9Light Showers43%0.02″81°72°-5°
- FridayJul 10Drizzle29%0.08″83°68°+2°
AQI 41 (Good), driven by Ozone. AQI up 15 in the last 6 hours — air quality is degrading. Ozone at AQI 46 — peak already passed at 1 PM under partly cloudy skies. 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 46 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 46
- UV peak
- 0.9 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 46
PM × Wind × Precip
PM2.5 at 6.4 µg/m³, PM10 at 8.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.77
- Wind
- light
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:03 PM
- Moonset
- 10:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Mount Sterling at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52573
16-Day Forecast — Mount Sterling
- Sat88°71°19%
- Sun87°71°12%
- Mon82°68°2%
- Tue83°64°0%
- Wed86°64°16%
- Thu81°72°43%
- Fri83°68°29%
- Sat74°62°8%
- Sun76°59°10%
- Mon77°59°7%
- Tue78°59°7%
- Wed81°57°19%
- Thu83°65°14%
- Fri81°68°14%
- Sat81°64°26%
- Sun75°60°26%
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 — Mount Sterling
SPC includes Mount Sterling 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 Mount Sterling
- 52573