Monroe, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Monroe weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain71%1.2″84°68°—
- SundayJul 5Overcast14%—86°67°+2°
- MondayJul 6Mostly Clear——89°67°+3°
- TuesdayJul 7Overcast——84°66°-5°
- WednesdayJul 8T-storm w/ Hail36%—87°66°+3°
- ThursdayJul 9Showers55%0.01″78°65°-9°
- FridayJul 10Light Drizzle20%—81°65°+3°
AQI 42 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 4.6 µg/m³ (AQI 26) with a 0.88 fine-to-coarse ratio and 5 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
PM × Wind × Precip
PM2.5 at 4.6 µg/m³ (AQI 26) with a 0.88 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- 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
- 11:32 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Monroe at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50170
16-Day Forecast — Monroe
- Sat84°68°71%
- Sun86°67°14%
- Mon89°67°1%
- Tue84°66°5%
- Wed87°66°36%
- Thu78°65°55%
- Fri81°65°20%
- Sat75°64°6%
- Sun76°58°7%
- Mon81°59°7%
- Tue86°67°3%
- Wed84°70°8%
- Thu88°70°19%
- Fri90°72°14%
- Sat90°75°13%
- Sun83°64°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 — Monroe
SPC includes Monroe 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 Monroe
- 50170