Bismarck, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bismarck, a city in St. Francois County, Missouri.
Overnight
73°F
Clear
Clear, with a low around 73. Southwest wind around 5 mph.
7-day forecast for Bismarck
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Clear | 5 mph SW | 1% |
| Saturday | 97°F | Mostly Sunny | 7 mph SW | 1% |
| Saturday Night | 71°F | Mostly Clear | 5 mph SW | 3% |
| Sunday | 93°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph W | 19% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 5 mph N | 56% |
| Monday | 81°F | Showers And Thunderstorms Likely | 2 to 7 mph N | 69% |
| Monday Night | 58°F | Showers And Thunderstorms Likely | 7 mph N | 69% |
| Tuesday | 71°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 6 to 9 mph N | 23% |
| Tuesday Night | 52°F | Mostly Cloudy | 3 to 9 mph N | 9% |
| Wednesday | 72°F | Mostly Sunny | 7 mph N | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 6 mph N | 0% |
| Thursday | 75°F | Mostly Sunny | 1 to 6 mph N | 3% |
| Thursday Night | 54°F | Partly Cloudy | 1 to 5 mph NE | 4% |
| Friday | 76°F | Mostly Sunny | 1 to 6 mph NE | 10% |
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 Sep 19, 2026.