Bismarck, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bismarck, a city in St. Francois County, Missouri.
Today
88°F
Sunny
Sunny, with a high near 88. South wind around 2 mph.
7-day forecast for Bismarck
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 2 mph S | 0% |
| Tonight | 66°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 90°F | Sunny | 5 mph S | 2% |
| Wednesday Night | 70°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph S | 43% |
| Thursday | 88°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph S | 64% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 52% |
| Friday | 87°F | Chance Showers And Thunderstorms | 5 mph SW | 52% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 2 mph SW | 46% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 mph SW | 29% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 17% |
| Sunday | 90°F | Sunny | 7 mph SW | 3% |
| Sunday Night | 71°F | Mostly Clear | 6 mph S | 3% |
| Monday | 92°F | Sunny | 7 mph SW | 3% |
| Monday Night | 72°F | Mostly Clear | 6 mph S | 5% |
Forecast source: National Weather Service (api.weather.gov) for Bismarck (37.767, -90.623). Updated through the day.
Growing snapshot for Bismarck
Last spring frost
Apr 13
First fall frost
Oct 21
Growing season
191 days
Hardiness zone
6b
More local growing data for Bismarck: nearby ZIP 63624 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Bonne Terre
Desloge
Doe Run
Farmington
Frankclay
Goose Creek Lake
Iron Mountain Lake
Knob Lick
Lake Timberline
Leadington
Leadwood
Park Hills
Terre du Lac
Wortham
Climate data from the nearest NOAA station, Farmington, Mo (12.5 mi from Bismarck). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.