Black Jack, MO Weather & Growing Conditions
This Afternoon
73°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 68 in the afternoon. South wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Rain | 17 mph S | 94% |
| Tonight | 56°F | Rain | 10 to 17 mph S | 91% |
| Wednesday | 63°F | Chance Rain Showers then Mostly Cloudy | 8 to 14 mph W | 11% |
| Wednesday Night | 47°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 65°F | Sunny | 7 to 10 mph W | 2% |
| Thursday Night | 47°F | Mostly Cloudy | 7 mph NW | 9% |
| Friday | 58°F | Mostly Cloudy | 7 to 10 mph NW | 5% |
| Friday Night | 42°F | Mostly Cloudy | 2 to 7 mph N | 1% |
| Saturday | 56°F | Mostly Sunny | 5 mph NW | 0% |
| Saturday Night | 40°F | Partly Cloudy | 3 mph W | 0% |
| Sunday | 62°F | Sunny | 3 to 7 mph W | 8% |
| Sunday Night | 40°F | Mostly Clear | 5 mph W | 4% |
| Monday | 66°F | Sunny | 3 to 7 mph SW | 2% |
| Monday Night | 45°F | Mostly Clear | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Black Jack, MO
Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
215 days
Hardiness zone
7a
Explore more for Black Jack, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, St Louis Lambert Intl Ap, Mo (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.