Morrison, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Morrison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain65%0.12″83°67°—
- SundayJul 5Overcast16%—82°67°-1°
- MondayJul 6Overcast——81°66°-1°
- TuesdayJul 7Overcast——81°64°0°
- WednesdayJul 8T-storm w/ Hail42%—84°66°+3°
- ThursdayJul 9Light Drizzle42%—78°64°-6°
- FridayJul 10Light Drizzle10%—80°64°+2°
AQI 32 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 42 — 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 42 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 42
- UV peak
- 2.2 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 42
PM × Wind × Precip
PM2.5 at 6.9 µg/m³, PM10 at 9.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.77
- Wind
- light
- Recent rain
- 1h 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
- 11:09 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Morrison at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50657
16-Day Forecast — Morrison
- Sat84°67°65%
- Sun82°67°16%
- Mon81°66°1%
- Tue81°64°3%
- Wed84°66°42%
- Thu78°64°42%
- Fri80°64°10%
- Sat74°58°9%
- Sun77°57°9%
- Mon78°58°7%
- Tue79°61°5%
- Wed78°58°23%
- Thu81°65°26%
- Fri81°65°25%
- Sat74°61°24%
- Sun74°58°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 — Morrison
SPC includes Morrison 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 Morrison
- 50657