Tennant, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Tennant weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle68%0.02″81°69°—
- SundayJul 5Overcast12%—86°67°+5°
- MondayJul 6Overcast——84°68°-2°
- TuesdayJul 7Overcast——85°67°+1°
- WednesdayJul 8T-storm w/ Hail42%—88°68°+3°
- ThursdayJul 9Light Drizzle42%—80°64°-8°
- FridayJul 10Mostly Clear15%—85°64°+5°
AQI 43 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 43 now. With UV 0.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.
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 now. With UV 0.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 43
- UV peak
- 0.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.76 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.76
- 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
- 11:41 PM
- Moonset
- 11:34 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Tennant at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Tennant
- Sat81°69°68%
- Sun86°67°12%
- Mon84°68°1%
- Tue85°67°1%
- Wed88°68°42%
- Thu80°64°42%
- Fri85°64°15%
- Sat76°65°7%
- Sun78°60°6%
- Mon85°62°3%
- Tue88°67°5%
- Wed85°67°6%
- Thu90°73°14%
- Fri92°74°14%
- Sat91°74°16%
- Sun85°67°16%
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 — Tennant
SPC includes Tennant 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 Tennant
- 51537