McGregor, Iowa Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
McGregor weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Heavy Rain76%1.1″87°56°—
- FridayJun 5Heavy Drizzle80%0.04″82°67°-5°
- SaturdayJun 6Light Drizzle18%—87°65°+5°
- SundayJun 7Showers46%—79°66°-8°
- MondayJun 8Light Showers72%0.15″76°67°-3°
- TuesdayJun 9Light Drizzle45%—81°68°+5°
- WednesdayJun 10Thunderstorm19%—90°72°+9°
AQI 48 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 4 hours of recent rain — PM2.5 down to 7.5 µg/m³, PM10 to 8.3 µg/m³.
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 37 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 by mid-afternoon.
- Present
- AQI 37
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 7.5 µg/m³, PM10 to 8.3 µg/m³.
- PM2.5/PM10
- 0.90
- Wind
- light
- Recent rain
- 4h in last 6h
- Pattern
- washed out
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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:13 AM
- Moonset
- 3:05 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
McGregor at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — McGregor
SPC has placed McGregor in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.