Calumet, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Calumet weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast15%—82°67°—
- SundayJul 5Overcast11%—85°65°+3°
- MondayJul 6Overcast——86°66°+1°
- TuesdayJul 7Overcast15%—89°67°+3°
- WednesdayJul 8Light Showers38%0.04″86°67°-3°
- ThursdayJul 9Overcast38%—82°60°-4°
- FridayJul 10Overcast——80°62°-2°
AQI 43 (Good), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). 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
- 1.3 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 46
PM × Wind × Precip
PM2.5 at 6.6 µg/m³ (AQI 37) with a 0.80 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.80
- Wind
- light
- 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
- 11:22 PM
- Moonset
- 10:25 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Calumet at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 51009
16-Day Forecast — Calumet
- Sat82°67°15%
- Sun85°65°11%
- Mon86°66°2%
- Tue89°67°15%
- Wed86°67°38%
- Thu82°60°38%
- Fri80°62°6%
- Sat81°58°12%
- Sun83°61°6%
- Mon85°61°4%
- Tue89°62°4%
- Wed91°65°7%
- Thu88°70°13%
- Fri90°63°13%
- Sat72°59°10%
- Sun84°58°10%
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 — Calumet
SPC includes Calumet in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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 Calumet
- 51009