De Kalb, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
De Kalb weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain62%0.10″83°69°—
- SundayJul 5Overcast11%—90°67°+7°
- MondayJul 6Overcast——85°66°-5°
- TuesdayJul 7Overcast——86°65°+1°
- WednesdayJul 8Overcast——90°67°+4°
- ThursdayJul 9Overcast46%—85°74°-5°
- FridayJul 10Overcast31%—84°69°-1°
AQI 34 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.5 µg/m³, PM10 to 12.4 µg/m³.
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 50. Overcast through the UV peak window (cloud cover ~83%) — afternoon ozone should stay flat.
- Present
- AQI 50
- UV peak
- 6.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 21
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.5 µg/m³, PM10 to 12.4 µg/m³.
- PM2.5/PM10
- 0.77
- Wind
- breezy
- Recent rain
- 2h 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:14 PM
- Moonset
- 10:26 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
De Kalb at a glance
- Today vs. normal: 74°F — typical for the season
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 64440
16-Day Forecast — De Kalb
- Sat83°69°62%
- Sun90°67°11%
- Mon85°66°2%
- Tue86°65°2%
- Wed90°67°6%
- Thu85°74°46%
- Fri84°69°31%
- Sat79°62°10%
- Sun81°59°7%
- Mon81°58°5%
- Tue81°59°2%
- Wed86°58°12%
- Thu87°63°9%
- Fri84°72°14%
- Sat85°66°11%
- Sun78°60°14%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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 — De Kalb
SPC has placed De Kalb in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 De Kalb
- 64440