Alton, Kansas Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Alton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Partly Cloudy——85°65°—
- MondayJul 6Clear——88°67°+3°
- TuesdayJul 7Overcast——95°67°+7°
- WednesdayJul 8Overcast22%—101°73°+6°
- ThursdayJul 9Overcast40%—97°76°-4°
- FridayJul 10Showers40%0.12″91°65°-6°
- SaturdayJul 11Light Drizzle——95°67°+4°
AQI 60 (Moderate), driven by Ozone. AQI up 5 over the last 6 hours (gradual rise). Ozone at AQI 65 — peak already passed at 1 PM under clear 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 65 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 65
- UV peak
- 6.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 65
PM × Wind × Precip
PM2.5 at 16.2 µg/m³ (AQI 64) with a 0.73 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.73
- Wind
- light
- 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
- 11:54 PM
- Moonset
- 11:50 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Alton at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 67623
16-Day Forecast — Alton
- Sun85°65°1%
- Mon88°67°1%
- Tue95°67°3%
- Wed101°73°22%
- Thu97°76°40%
- Fri91°65°40%
- Sat95°67°7%
- Sun103°74°4%
- Mon103°76°1%
- Tue114°73°2%
- Wed117°81°3%
- Thu96°73°10%
- Fri97°75°23%
- Sat98°70°19%
- Sun101°74°23%
- Mon101°75°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 — Alton
SPC includes Alton in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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 Alton
- 67623