Floodwood, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Floodwood, a city in St. Louis County, Minnesota.
Tonight
49°F
Mostly Cloudy then Patchy Fog
Patchy fog after midnight. Mostly cloudy, with a low around 49. East wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Floodwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Cloudy then Patchy Fog | 5 mph E | 14% |
| Saturday | 66°F | Patchy Fog then Mostly Cloudy | 5 mph NE | 4% |
| Saturday Night | 47°F | Mostly Cloudy | 0 to 5 mph NE | 0% |
| Sunday | 62°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Sunday Night | 40°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 61°F | Mostly Sunny | 5 to 10 mph E | 0% |
| Monday Night | 38°F | Partly Cloudy | 5 to 10 mph E | 0% |
| Tuesday | 63°F | Sunny | 5 to 10 mph E | 0% |
| Tuesday Night | 38°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Wednesday | 65°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 42°F | Partly Cloudy | 0 to 5 mph SE | 9% |
| Thursday | 67°F | Mostly Sunny | 0 to 5 mph S | 9% |
| Thursday Night | 45°F | Partly Cloudy | 0 to 5 mph S | 5% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov) for Floodwood (46.911, -92.906). Updated through the day.
Growing snapshot for Floodwood
Last spring frost
May 29
First fall frost
Sep 18
Growing season
111 days
Hardiness zone
4a
More local growing data for Floodwood: nearby ZIP 55736 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Floodwood 3 Ne, Mn (2.6 mi from Floodwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.