Crescent, Iowa Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Crescent weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Showers85%0.77″77°69°—
- FridayJun 5Thunderstorm32%—82°68°+5°
- SaturdayJun 6Thunderstorm35%0.03″90°68°+8°
- SundayJun 7Heavy Drizzle59%—83°68°-7°
- MondayJun 8Thunderstorm36%—91°65°+8°
- TuesdayJun 9Thunderstorm25%—96°75°+5°
- WednesdayJun 10Partly Cloudy14%—99°76°+3°
Ozone at AQI 42 — peak already passed at 1 PM under overcast skies. AQI flat over the last 6 hours (within ±3 points). 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 overcast skies. Levels should ease through evening.
- Present
- AQI 42
- UV peak
- 2.5 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 42
PM × Wind × Precip
PM scrubbed by 5 hours of recent rain — PM2.5 down to 5.8 µg/m³, PM10 to 6.1 µg/m³.
- PM2.5/PM10
- 0.95
- Wind
- light
- Recent rain
- 5h 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).










































A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:57 AM
- Moonset
- 2:22 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Crescent at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 24 (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 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 — Crescent
SPC has placed Crescent in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal Risk
- 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.