Tarkio, MO Weather & Growing Conditions
Today
86°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 9am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 86. East wind 2 to 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 6 mph E | 17% |
| Tonight | 66°F | Showers And Thunderstorms Likely | 8 to 12 mph NNE | 68% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 9 mph NE | 58% |
| Wednesday Night | 62°F | Chance Showers And Thunderstorms | 2 to 9 mph NE | 29% |
| Thursday | 83°F | Mostly Sunny | 3 mph E | 9% |
| Thursday Night | 65°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 3 mph SE | 22% |
| Friday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 3 to 7 mph S | 22% |
| Friday Night | 70°F | Mostly Clear | 6 mph SSE | 6% |
| Saturday | 92°F | Sunny | 3 to 13 mph S | 3% |
| Saturday Night | 75°F | Mostly Clear | 14 mph S | 6% |
| Sunday | 94°F | Mostly Sunny | 10 to 14 mph S | 6% |
| Sunday Night | 76°F | Partly Cloudy | 15 mph S | 8% |
| Monday | 94°F | Mostly Sunny | 12 to 16 mph S | 5% |
| Monday Night | 76°F | Partly Cloudy | 13 to 16 mph S | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tarkio, MO
Last spring frost
Apr 19
First fall frost
Oct 15
Growing season
177 days
Hardiness zone
5b
Explore more for Tarkio, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Tarkio, Mo (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.