Athelstan, Iowa Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Athelstan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain70%0.31″83°68°—
- SundayJul 5Heavy Showers17%1.8″83°67°0°
- MondayJul 6Overcast——84°66°+1°
- TuesdayJul 7Overcast——85°65°+1°
- WednesdayJul 8Overcast13%—89°67°+4°
- ThursdayJul 9Showers43%—84°71°-5°
- FridayJul 10Drizzle30%0.04″81°66°-3°
AQI 35 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 9.5 µg/m³ (AQI 52) with a 0.73 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
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 43 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 43
- UV peak
- 2.9 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 43
PM × Wind × Precip
PM2.5 at 9.5 µg/m³ (AQI 52) with a 0.73 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.73
- 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
- 11:14 PM
- Moonset
- 10:24 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Athelstan at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Athelstan
- Sat83°68°70%
- Sun83°67°17%
- Mon84°66°2%
- Tue85°65°1%
- Wed89°67°13%
- Thu84°71°43%
- Fri81°66°30%
- Sat76°60°9%
- Sun78°59°7%
- Mon79°60°6%
- Tue81°60°5%
- Wed83°57°11%
- Thu86°64°13%
- Fri87°69°19%
- Sat80°64°23%
- Sun75°60°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 — Athelstan
SPC includes Athelstan 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 Athelstan
- 50836