Keytesville, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keytesville, a city in Chariton County, Missouri.
Today
91°F
Sunny
Sunny, with a high near 91. Heat index values as high as 97. South wind around 7 mph.
7-day forecast for Keytesville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 7 mph S | 1% |
| Tonight | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SE | 19% |
| Wednesday | 87°F | Showers And Thunderstorms Likely | 3 to 8 mph ESE | 59% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely | 5 to 8 mph NNE | 83% |
| Thursday | 85°F | Showers And Thunderstorms then Partly Sunny | 6 mph NE | 83% |
| Thursday Night | 66°F | Partly Cloudy | 1 to 5 mph E | 6% |
| Friday | 88°F | Mostly Sunny | 1 to 6 mph SSE | 14% |
| Friday Night | 68°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 mph S | 18% |
| Saturday | 91°F | Slight Chance Showers And Thunderstorms then Sunny | 3 to 10 mph SSW | 18% |
| Saturday Night | 72°F | Mostly Clear | 6 to 9 mph S | 5% |
| Sunday | 92°F | Sunny | 9 to 15 mph SSW | 3% |
| Sunday Night | 73°F | Mostly Clear | 8 to 12 mph S | 4% |
| Monday | 93°F | Mostly Sunny | 9 to 15 mph SSW | 5% |
| Monday Night | 74°F | Mostly Clear | 9 to 13 mph SSW | 8% |
Forecast source: National Weather Service (api.weather.gov) for Keytesville (39.431, -92.938). Updated through the day.
Growing snapshot for Keytesville
Last spring frost
Apr 12
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6a
More local growing data for Keytesville: nearby ZIP 65261 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Salisbury, Mo (6.2 mi from Keytesville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.