Denison, Kansas Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Denison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Mostly Clear——80°54°—
- TuesdayJun 16Light Rain46%0.14″83°63°+3°
- WednesdayJun 17Overcast16%—93°67°+10°
- ThursdayJun 18Overcast10%—77°59°-16°
- FridayJun 19Overcast——80°59°+3°
- SaturdayJun 20Light Drizzle41%—80°59°0°
- SundayJun 21T-storm w/ Hail55%0.57″89°69°+9°
AQI 36 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 45 — 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 45 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 3.1 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 45
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
- 5:58 AM
- Moonset
- 9:07 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Denison at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Denison
- Mon80°54°1%
- Tue83°63°46%
- Wed93°67°16%
- Thu77°59°10%
- Fri80°59°2%
- Sat80°59°41%
- Sun89°69°55%
- Mon84°66°38%
- Tue77°62°26%
- Wed78°66°16%
- Thu81°66°19%
- Fri83°65°25%
- Sat90°76°31%
- Sun76°65°27%
- Mon78°59°19%
- Tue78°56°23%
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 — Denison
SPC has placed Denison in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
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 Denison
- 66419