Lake Timberline, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Timberline, a community in St. Francois County, Missouri.
Tonight
70°F
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 70. South wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Lake Timberline
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph S | 22% |
| Saturday | 98°F | Mostly Sunny | 6 mph SW | 4% |
| Saturday Night | 71°F | Partly Cloudy | 5 mph SW | 0% |
| Sunday | 95°F | Mostly Sunny | 5 mph W | 12% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 3 mph N | 50% |
| Monday | 83°F | Showers And Thunderstorms Likely | 2 to 6 mph N | 63% |
| Monday Night | 59°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 3 to 7 mph N | 63% |
| Tuesday | 73°F | Slight Chance Rain Showers then Partly Sunny | 8 mph N | 17% |
| Tuesday Night | 53°F | Mostly Cloudy | 3 to 8 mph N | 8% |
| Wednesday | 74°F | Mostly Sunny | 6 mph N | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 5 mph N | 2% |
| Thursday | 76°F | Mostly Sunny | 1 to 6 mph N | 3% |
| Thursday Night | 55°F | Partly Cloudy | 1 to 5 mph N | 4% |
| Friday | 76°F | Mostly Sunny | 1 to 6 mph N | 7% |
Forecast source: National Weather Service (api.weather.gov) for Lake Timberline (37.997, -90.550). Updated through the day.
Growing snapshot for Lake Timberline
Last spring frost
Apr 13
First fall frost
Oct 21
Growing season
191 days
Hardiness zone
6b
More local growing data for Lake Timberline: nearby ZIP 63628 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Bismarck
Bonne Terre
Desloge
Doe Run
Farmington
Frankclay
Goose Creek Lake
Iron Mountain Lake
Knob Lick
Leadington
Leadwood
Park Hills
Terre du Lac
Wortham
Climate data from the nearest NOAA station, Farmington, Mo (12 mi from Lake Timberline). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.