Whalan, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whalan, a city in Fillmore County, Minnesota.
This Afternoon
64°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 64, with temperatures falling to around 62 in the afternoon. East wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Whalan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Showers And Thunderstorms Likely | 10 mph E | 72% |
| Tonight | 57°F | Showers And Thunderstorms | 9 to 15 mph E | 95% |
| Saturday | 68°F | Showers And Thunderstorms | 8 mph NE | 82% |
| Saturday Night | 54°F | Rain Showers Likely | 7 to 10 mph NE | 60% |
| Sunday | 66°F | Mostly Cloudy | 12 mph NE | 13% |
| Sunday Night | 48°F | Mostly Cloudy | 9 mph NE | 7% |
| Monday | 62°F | Chance Rain Showers | 10 mph NE | 37% |
| Monday Night | 44°F | Chance Rain Showers | 8 mph NE | 37% |
| Tuesday | 61°F | Slight Chance Rain Showers then Partly Sunny | 8 mph E | 15% |
| Tuesday Night | 43°F | Partly Cloudy | 5 mph E | 4% |
| Wednesday | 65°F | Sunny | 5 mph E | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 2 mph SE | 5% |
| Thursday | 68°F | Partly Sunny | 2 mph S | 11% |
| Thursday Night | 50°F | Partly Cloudy | 2 mph SE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Whalan (43.733, -91.925). Updated through the day.
Growing snapshot for Whalan
Last spring frost
May 14
First fall frost
Sep 28
Growing season
136 days
Hardiness zone
4b
More local growing data for Whalan: nearby ZIP 55949 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Canton
Chatfield
Fountain
Harmony
Lanesboro
Mabel
Peterson
Preston
Rushford
Rushford Village
Spring Valley
Wykoff
Climate data from the nearest NOAA station, Preston, Mn (7.5 mi from Whalan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.