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.
Today
98°F
Mostly Sunny
Mostly sunny, with a high near 98. Heat index values as high as 100. Southwest wind around 6 mph.
7-day forecast for Lake Timberline
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Mostly Sunny | 6 mph SW | 1% |
| Tonight | 71°F | Mostly Clear | 5 mph SW | 1% |
| Sunday | 94°F | Mostly Sunny | 3 mph W | 2% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph NE | 61% |
| Monday | 83°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph NE | 67% |
| Monday Night | 59°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 6 mph N | 67% |
| Tuesday | 72°F | Slight Chance Rain Showers then Partly Sunny | 5 to 8 mph N | 24% |
| Tuesday Night | 52°F | Mostly Cloudy | 3 to 8 mph N | 11% |
| Wednesday | 73°F | Mostly Sunny | 3 to 7 mph N | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 6 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 1 to 6 mph N | 3% |
| Thursday Night | 55°F | Partly Cloudy | 1 to 5 mph NE | 4% |
| Friday | 76°F | Partly Sunny | 1 to 6 mph NE | 9% |
| Friday Night | 54°F | Partly Cloudy | 1 to 5 mph NE | 8% |
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.