La Belle, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Belle, a city in Lewis County, Missouri.
Tonight
49°F
Cloudy then Chance Rain Showers
A chance of rain showers after midnight. Cloudy, with a low around 49. Southwest wind around 12 mph, with gusts as high as 23 mph.
7-day forecast for La Belle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Cloudy then Chance Rain Showers | 12 mph SW | 12% |
| Wednesday | 56°F | Chance Rain Showers then Cloudy | 14 mph W | 12% |
| Wednesday Night | 43°F | Mostly Cloudy | 9 mph SW | 1% |
| Thursday | 56°F | Partly Sunny | 10 mph W | 12% |
| Thursday Night | 42°F | Mostly Cloudy then Slight Chance T-storms | 7 mph NW | 21% |
| Friday | 53°F | Mostly Cloudy | 6 to 9 mph N | 2% |
| Friday Night | 36°F | Mostly Cloudy | 1 to 5 mph N | 1% |
| Saturday | 54°F | Mostly Sunny | 1 to 5 mph W | 1% |
| Saturday Night | 36°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 61°F | Sunny | 3 to 7 mph W | 10% |
| Sunday Night | 37°F | Mostly Clear | 5 mph W | 2% |
| Monday | 65°F | Sunny | 5 to 9 mph SW | 2% |
| Monday Night | 41°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 66°F | Sunny | 6 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for La Belle (40.116, -91.915). Updated through the day.
Growing snapshot for La Belle
Last spring frost
Apr 17
First fall frost
Oct 19
Growing season
184 days
Hardiness zone
6a
More local growing data for La Belle: nearby ZIP 63447 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Steffenville, Mo (8.6 mi from La Belle). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.