Federal Dam, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Federal Dam, a city in Cass County, Minnesota.
Today
71°F
Mostly Sunny
Mostly sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Federal Dam
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Mostly Sunny | 5 to 10 mph W | 1% |
| Tonight | 51°F | Mostly Clear | 0 to 5 mph W | 0% |
| Wednesday | 77°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 0 to 5 mph SW | 12% |
| Thursday | 82°F | Sunny | 5 to 10 mph SW | 12% |
| Thursday Night | 61°F | Mostly Clear | 0 to 5 mph SW | 13% |
| Friday | 82°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 15% |
| Friday Night | 57°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 16% |
| Saturday | 80°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 21% |
| Saturday Night | 57°F | Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Sunday | 78°F | Slight Chance Rain Showers | 0 to 5 mph N | 17% |
| Sunday Night | 57°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 mph | 18% |
| Monday | 78°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 18% |
| Monday Night | 57°F | Slight Chance Rain Showers | 0 mph | 19% |
Forecast source: National Weather Service (api.weather.gov) for Federal Dam (47.240, -94.212). Updated through the day.
Growing snapshot for Federal Dam
Last spring frost
May 8
First fall frost
Oct 1
Growing season
144 days
Hardiness zone
3b
More local growing data for Federal Dam: nearby ZIP 56641 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Backus
Bena
Boy River
Cass Lake
Chickamaw Beach
Hackensack
Jenkins
Longville
Motley
Pequot Lakes
Pillager
Pine River
Remer
Walker
Whipholt
Climate data from the nearest NOAA station, Leech Lake, Mn (3.6 mi from Federal Dam). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.