St. Francis, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Francis, a town in Todd County, South Dakota.
This Afternoon
44°F
Partly Sunny
Partly sunny. High near 44, with temperatures falling to around 42 in the afternoon. Northwest wind 18 to 22 mph, with gusts as high as 30 mph.
7-day forecast for St. Francis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 44°F | Partly Sunny | 18 to 22 mph NW | 0% |
| Tonight | 31°F | Mostly Cloudy | 14 to 17 mph NW | 0% |
| Wednesday | 48°F | Partly Sunny | 16 to 21 mph NW | 0% |
| Wednesday Night | 33°F | Mostly Cloudy | 20 mph NW | 2% |
| Thursday | 50°F | Mostly Sunny | 8 to 17 mph N | 0% |
| Thursday Night | 29°F | Mostly Clear | 5 to 9 mph SE | 0% |
| Friday | 56°F | Mostly Sunny | 6 to 10 mph W | 0% |
| Friday Night | 33°F | Partly Cloudy | 6 to 12 mph W | 0% |
| Saturday | 60°F | Sunny | 12 to 20 mph W | 6% |
| Saturday Night | 34°F | Mostly Clear | 9 to 13 mph W | 2% |
| Sunday | 65°F | Sunny | 13 to 16 mph SW | 0% |
| Sunday Night | 42°F | Mostly Clear | 15 to 20 mph SW | 0% |
| Monday | 61°F | Sunny | 9 to 21 mph NW | 0% |
| Monday Night | 38°F | Partly Cloudy | 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for St. Francis (43.143, -100.903). Updated through the day.
Growing snapshot for St. Francis
Last spring frost
May 9
First fall frost
Oct 1
Growing season
146 days
Hardiness zone
5a
More local growing data for St. Francis: nearby ZIP 57570 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Antelope
Mission
Okreek
Parmelee
Rosebud
Sicangu Village
Soldier Creek
Spring Creek
Two Strike
White Horse
Climate data from the nearest NOAA station, Mission, Sd (12.1 mi from St. Francis). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.