Knob Lick, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Knob Lick, a community in St. Francois County, Missouri.
This Afternoon
96°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 101. Southwest wind around 3 mph. Chance of precipitation is 30%.
7-day forecast for Knob Lick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Chance Showers And Thunderstorms | 3 mph SW | 25% |
| Tonight | 70°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph S | 20% |
| Saturday | 95°F | Mostly Sunny | 6 mph SW | 3% |
| Saturday Night | 70°F | Partly Cloudy | 6 mph SW | 0% |
| Sunday | 92°F | Sunny | 6 mph W | 6% |
| Sunday Night | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 3 mph N | 39% |
| Monday | 82°F | Showers And Thunderstorms Likely | 6 mph N | 62% |
| Monday Night | 60°F | Showers And Thunderstorms Likely | 7 mph N | 62% |
| Tuesday | 73°F | Slight Chance Rain Showers then Partly Sunny | 9 mph N | 15% |
| Tuesday Night | 54°F | Partly Cloudy | 6 to 9 mph N | 9% |
| Wednesday | 73°F | Mostly Sunny | 8 mph N | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 6 mph N | 2% |
| Thursday | 74°F | Mostly Sunny | 2 to 7 mph N | 3% |
| Thursday Night | 56°F | Partly Cloudy | 6 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov) for Knob Lick (37.678, -90.368). Updated through the day.
Growing snapshot for Knob Lick
Last spring frost
Apr 13
First fall frost
Oct 21
Growing season
191 days
Hardiness zone
6b
More local growing data for Knob Lick: nearby ZIP 63640 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
Lake Timberline
Leadington
Leadwood
Park Hills
Terre du Lac
Wortham
Climate data from the nearest NOAA station, Farmington, Mo (3.4 mi from Knob Lick). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.