Denison, Kansas Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Denison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——88°64°—
- MondayJul 6Clear——90°70°+2°
- TuesdayJul 7Overcast——89°68°-1°
- WednesdayJul 8Overcast25%—97°67°+8°
- ThursdayJul 9Light Drizzle42%—87°71°-10°
- FridayJul 10Light Drizzle37%0.02″75°68°-12°
- SaturdayJul 11Overcast11%—87°65°+12°
AQI 35 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.89 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 3 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.89 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- Wind
- calm
- 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
- 11:41 PM
- Moonset
- 11:36 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Denison at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 66419
15-Day Forecast — Denison
- Sun88°64°2%
- Mon90°70°2%
- Tue89°68°1%
- Wed97°67°25%
- Thu87°71°42%
- Fri75°68°37%
- Sat87°65°11%
- Sun88°70°6%
- Mon92°71°1%
- Tue100°72°2%
- Wed94°70°4%
- Thu96°69°10%
- Fri92°70°20%
- Sat94°69°23%
- Sun97°73°19%
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 — Denison
SPC includes Denison in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
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 Denison
- 66419