Good Thunder, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Good Thunder, a city in Blue Earth County, Minnesota.
This Afternoon
57°F
Light Rain
Rain. Cloudy, with a high near 57. North northwest wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Good Thunder
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Light Rain | 10 to 15 mph NNW | 100% |
| Tonight | 45°F | Rain | 10 to 15 mph NW | 98% |
| Wednesday | 50°F | Light Rain | 15 mph WNW | 98% |
| Wednesday Night | 41°F | Light Rain | 15 mph NW | 97% |
| Thursday | 48°F | Chance Light Rain | 15 mph NNW | 52% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 10 mph N | 7% |
| Friday | 46°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 29°F | Partly Cloudy | 0 to 5 mph SSE | 0% |
| Saturday | 54°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph WSW | 3% |
| Sunday | 58°F | Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 36°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Monday | 61°F | Mostly Sunny | 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Good Thunder (44.007, -94.070). Updated through the day.
Growing snapshot for Good Thunder
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
5a
More local growing data for Good Thunder: nearby ZIP 56037 weather · frost dates · planting calendar · Minnesota frost dates
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St. Clair
Vernon Center
Climate data from the nearest NOAA station, Mankato, Mn (9.9 mi from Good Thunder). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.