Alton, Kansas Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Alton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Light Showers41%0.17″87°66°—
- ThursdayJun 4Thunderstorm56%1.9″80°65°-7°
- FridayJun 5Thunderstorm31%—94°65°+14°
- SaturdayJun 6Overcast31%—96°70°+2°
- SundayJun 7Light Drizzle16%—81°69°-15°
- MondayJun 8Foggy20%—95°66°+14°
- TuesdayJun 9Thunderstorm20%0.11″108°73°+13°
Ozone at AQI 38. AQI flat over the last 6 hours (within ±4 points). Overcast through the UV peak window (cloud cover ~93%) — 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 38. Overcast through the UV peak window (cloud cover ~93%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM scrubbed by 5 hours of recent rain — PM2.5 down to 4.6 µg/m³, PM10 to 4.9 µg/m³.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- 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
- 5:03 AM
- Moonset
- 2:41 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Alton at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 13 (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 — Alton
SPC has placed Alton in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.