Terre du Lac, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Terre du Lac, a community in St. Francois County, Missouri.
This Afternoon
98°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny. High near 98, with temperatures falling to around 94 in the afternoon. Heat index values as high as 104. Southwest wind around 3 mph. Chance of precipitation is 30%.
7-day forecast for Terre du Lac
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Chance Showers And Thunderstorms | 3 mph SW | 26% |
| Tonight | 70°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph S | 21% |
| Saturday | 99°F | Mostly Sunny | 6 mph SW | 3% |
| Saturday Night | 72°F | Partly Cloudy | 5 mph SW | 0% |
| Sunday | 96°F | Mostly Sunny | 6 mph W | 11% |
| Sunday Night | 66°F | Mostly Cloudy then Chance Showers And Thunderstorms | 1 to 5 mph N | 49% |
| Monday | 84°F | Showers And Thunderstorms Likely | 1 to 7 mph N | 64% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 2 to 7 mph N | 64% |
| Tuesday | 74°F | Slight Chance Rain Showers then Partly Sunny | 5 to 8 mph N | 16% |
| Tuesday Night | 53°F | Mostly Cloudy | 2 to 8 mph N | 8% |
| Wednesday | 76°F | Mostly Sunny | 2 to 7 mph N | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Thursday | 77°F | Mostly Sunny | 0 to 6 mph N | 3% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 5 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov) for Terre du Lac (37.904, -90.618). Updated through the day.
Growing snapshot for Terre du Lac
Last spring frost
Apr 13
First fall frost
Oct 21
Growing season
191 days
Hardiness zone
6b
More local growing data for Terre du Lac: nearby ZIP 63653 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
Lake Timberline
Leadington
Leadwood
Park Hills
Wortham
Climate data from the nearest NOAA station, Farmington, Mo (10.8 mi from Terre du Lac). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.