Walnut Grove, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Walnut Grove, a city in Greene County, Missouri.
Today
98°F
Sunny
Sunny. High near 98, with temperatures falling to around 96 in the afternoon. Heat index values as high as 99. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.
7-day forecast for Walnut Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 7 to 14 mph SW | 0% |
| Tonight | 72°F | Partly Cloudy | 6 to 9 mph S | 1% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 30% |
| Sunday Night | 67°F | Showers And Thunderstorms | 5 mph N | 79% |
| Monday | 80°F | Showers And Thunderstorms | 5 to 10 mph N | 79% |
| Monday Night | 60°F | Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 10 mph N | 25% |
| Tuesday | 74°F | Partly Sunny | 9 mph N | 5% |
| Tuesday Night | 54°F | Partly Cloudy | 5 to 9 mph NE | 2% |
| Wednesday | 76°F | Sunny | 7 mph NE | 1% |
| Wednesday Night | 55°F | Mostly Clear | 6 mph NE | 2% |
| Thursday | 79°F | Mostly Sunny | 5 mph E | 5% |
| Thursday Night | 59°F | Mostly Cloudy | 5 mph E | 8% |
| Friday | 79°F | Slight Chance Rain Showers | 6 mph E | 18% |
| Friday Night | 60°F | Mostly Cloudy | 6 mph E | 12% |
Forecast source: National Weather Service (api.weather.gov) for Walnut Grove (37.411, -93.548). Updated through the day.
Growing snapshot for Walnut Grove
Last spring frost
Apr 11
First fall frost
Oct 24
Growing season
196 days
Hardiness zone
6b
More local growing data for Walnut Grove: nearby ZIP 65770 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ash Grove 4S, Mo (11.4 mi from Walnut Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.