Mahtowa, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mahtowa, a community in Carlton County, Minnesota.
This Afternoon
60°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 60, with temperatures falling to around 57 in the afternoon. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Mahtowa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Chance Rain Showers | 5 mph E | 47% |
| Tonight | 50°F | Chance Rain Showers | 5 mph E | 43% |
| Saturday | 62°F | Patchy Fog then Mostly Cloudy | 5 mph NE | 19% |
| Saturday Night | 48°F | Mostly Cloudy | 0 to 5 mph NE | 2% |
| Sunday | 61°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 60°F | Partly Sunny | 5 to 10 mph E | 0% |
| Monday Night | 38°F | Partly Cloudy | 0 to 10 mph E | 0% |
| Tuesday | 63°F | Sunny | 0 to 5 mph E | 1% |
| Tuesday Night | 39°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 65°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 0 to 5 mph E | 9% |
| Thursday | 67°F | Partly Sunny | 0 to 5 mph S | 10% |
| Thursday Night | 46°F | Partly Cloudy | 0 mph | 5% |
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 Sep 19, 2026.