Mahtowa, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mahtowa, a community in Carlton County, Minnesota.
This Afternoon
54°F
Light Rain Likely
Rain likely and patchy fog. Cloudy. High near 54, with temperatures falling to around 50 in the afternoon. North wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mahtowa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Light Rain Likely | 5 mph N | 65% |
| Tonight | 37°F | Light Rain | 10 to 15 mph N | 83% |
| Thursday | 42°F | Mostly Cloudy | 10 to 15 mph N | 9% |
| Thursday Night | 23°F | Mostly Cloudy | 0 to 5 mph N | 2% |
| Friday | 42°F | Sunny | 0 mph | 0% |
| Friday Night | 22°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 46°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 5 mph W | 2% |
| Sunday | 52°F | Sunny | 5 mph W | 1% |
| Sunday Night | 32°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 33°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 51°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Tuesday Night | 30°F | Partly Cloudy | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov) for Mahtowa (46.552, -92.636). Updated through the day.
Growing snapshot for Mahtowa
Last spring frost
May 12
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
4a
More local growing data for Mahtowa: nearby ZIP 55707 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Barnum
Big Lake
Carlton
Cloquet
Cromwell
Esko
Kettle River
Mahnomen
Moose Lake
Scanlon
Sturgeon Lake
Wrenshall
Wright
Climate data from the nearest NOAA station, Moose Lake 1 Sse, Mn (9.8 mi from Mahtowa). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.