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Bismarck, MO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Bismarck, a city in St. Francois County, Missouri.

This Afternoon
97°F
Sunny
Sunny, with a high near 97. Southwest wind around 7 mph.

7-day forecast for Bismarck

WhenTempForecastWindPrecip
This Afternoon 97°F Sunny 7 mph SW 1%
Tonight 71°F Mostly Clear 5 mph SW 1%
Sunday 93°F Mostly Sunny 5 mph W 3%
Sunday Night 66°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 3 mph NE 47%
Monday 83°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 2 to 6 mph NE 73%
Monday Night 59°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 6 mph N 73%
Tuesday 71°F Slight Chance Rain Showers then Partly Sunny 5 to 9 mph N 19%
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%
Friday Night 55°F Partly Cloudy 1 to 5 mph NE 9%

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

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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.