De Kalb, Missouri Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
De Kalb weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast31%—84°67°—
- FridayJun 5Thunderstorm55%0.03″91°70°+7°
- SaturdayJun 6Drizzle48%—84°68°-7°
- SundayJun 7Showers59%0.04″78°66°-6°
- MondayJun 8Thunderstorm45%0.01″85°68°+7°
- TuesdayJun 9Thunderstorm34%—90°73°+5°
- WednesdayJun 10Thunderstorm12%—90°72°0°
PM2.5 at 7.9 µg/m³, PM10 at 8.3 µg/m³ — typical background levels with no transport signature. AQI down 14 over the last 6 hours (steady decline since this morning).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 7.9 µg/m³, PM10 at 8.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 4:48 AM
- Moonset
- 2:23 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
De Kalb at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 14 (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 — De Kalb
SPC has placed De Kalb in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- 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.