Seneca, Missouri Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Seneca weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——78°62°—
- TuesdayJun 16Thunderstorm13%—82°61°+4°
- WednesdayJun 17Thunderstorm27%—86°70°+4°
- ThursdayJun 18Drizzle71%—76°64°-10°
- FridayJun 19Overcast37%—76°62°0°
- SaturdayJun 20Overcast25%—82°60°+6°
- SundayJun 21T-storm w/ Hail53%—89°72°+7°
AQI 33 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 46 now. With UV 9.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 59 around 1 PM.
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 46 now. With UV 9.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 59 around 1 PM.
- Present
- AQI 46
- UV peak
- 9.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 59
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
- 6:05 AM
- Moonset
- 8:53 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Seneca at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: March 28 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Seneca
- Mon78°62°1%
- Tue82°61°13%
- Wed86°70°27%
- Thu76°64°71%
- Fri76°62°37%
- Sat82°60°25%
- Sun89°72°53%
- Mon85°70°62%
- Tue81°69°36%
- Wed78°68°29%
- Thu83°66°20%
- Fri87°67°33%
- Sat87°75°23%
- Sun83°66°13%
- Mon80°64°32%
- Tue80°68°20%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Seneca
SPC has placed Seneca in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe 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.
ZIP codes in Seneca
- 64865