Winona, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Winona weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast26%—92°72°—
- SundayJul 5Light Drizzle38%0.01″86°72°-6°
- MondayJul 6Overcast——92°70°+6°
- TuesdayJul 7Overcast——92°65°0°
- WednesdayJul 8Clear——94°66°+2°
- ThursdayJul 9Partly Cloudy28%—98°70°+4°
- FridayJul 10Overcast31%—94°77°-4°
AQI 43 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.6 µg/m³, PM10 at 11.2 µg/m³ — typical background levels with no transport signature.
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 32 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 32
- UV peak
- 0.9 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 32
PM × Wind × Precip
PM2.5 at 10.6 µg/m³, PM10 at 11.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- breezy
- Recent rain
- 0h 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
- 10:56 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Winona at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: March 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 65588
16-Day Forecast — Winona
- Sat92°72°26%
- Sun86°72°38%
- Mon92°70°9%
- Tue92°65°8%
- Wed94°66°7%
- Thu98°70°28%
- Fri94°77°31%
- Sat88°68°32%
- Sun85°61°10%
- Mon85°59°6%
- Tue86°60°5%
- Wed88°61°6%
- Thu89°63°22%
- Fri91°70°26%
- Sat78°68°26%
- Sun77°67°29%
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 — Winona
SPC has placed Winona in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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.
ZIP codes in Winona
- 65588