Bristow, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Bristow weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle34%0.01″81°69°—
- SundayJul 5Overcast15%—82°64°+1°
- MondayJul 6Light Drizzle——83°66°+1°
- TuesdayJul 7Overcast10%—84°65°+1°
- WednesdayJul 8T-storm w/ Hail41%—82°65°-2°
- ThursdayJul 9Overcast41%—76°59°-6°
- FridayJul 10Overcast11%—81°61°+5°
AQI 42 (Good), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 42. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 42
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.81 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- Wind
- calm
- 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
- 11:23 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Bristow at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50611
16-Day Forecast — Bristow
- Sat81°69°34%
- Sun82°64°15%
- Mon83°66°3%
- Tue84°65°10%
- Wed82°65°41%
- Thu76°59°41%
- Fri81°61°11%
- Sat75°61°9%
- Sun75°56°9%
- Mon82°60°8%
- Tue86°67°4%
- Wed81°63°17%
- Thu86°66°26%
- Fri88°72°29%
- Sat86°68°23%
- Sun80°61°26%
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 — Bristow
SPC includes Bristow 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 Bristow
- 50611