De Kalb, MO Weather & Growing Conditions
Overnight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. South southwest wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Partly Cloudy | 10 mph SSW | 2% |
| Saturday | 90°F | Mostly Sunny | 8 to 12 mph SSW | 12% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 7 mph WNW | 80% |
| Sunday | 76°F | Chance Showers And Thunderstorms | 5 to 9 mph N | 34% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 9 mph NNE | 62% |
| Monday | 66°F | Chance Rain Showers | 10 mph NNE | 52% |
| Monday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 10 mph NNE | 20% |
| Tuesday | 64°F | Partly Sunny | 9 mph NE | 5% |
| Tuesday Night | 50°F | Partly Cloudy | 5 to 8 mph NE | 5% |
| Wednesday | 67°F | Mostly Sunny | 6 mph ENE | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph E | 9% |
| Thursday | 71°F | Slight Chance Rain Showers | 6 mph ESE | 24% |
| Thursday Night | 58°F | Slight Chance Rain Showers | 5 mph E | 24% |
| Friday | 72°F | Chance Rain Showers | 7 mph ESE | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for De Kalb, MO
Last spring frost
Apr 11
First fall frost
Oct 29
Growing season
199 days
Hardiness zone
6b
Explore more for De Kalb, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Atchison, Ks (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.