Blairstown, MO Weather & Growing Conditions
Today
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 99. Southwest wind around 13 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 13 mph SW | 1% |
| Tonight | 70°F | Chance Showers And Thunderstorms | 1 to 8 mph WSW | 53% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 1 to 5 mph NNW | 49% |
| Sunday Night | 65°F | Showers And Thunderstorms | 6 mph NNE | 81% |
| Monday | 74°F | Showers And Thunderstorms | 5 to 9 mph NNE | 81% |
| Monday Night | 57°F | Mostly Cloudy | 5 to 9 mph NNE | 8% |
| Tuesday | 71°F | Partly Sunny | 8 mph NNE | 4% |
| Tuesday Night | 52°F | Partly Cloudy | 3 to 7 mph NE | 1% |
| Wednesday | 73°F | Mostly Sunny | 6 mph NE | 1% |
| Wednesday Night | 54°F | Partly Cloudy | 3 mph ENE | 2% |
| Thursday | 77°F | Mostly Sunny | 1 to 5 mph ENE | 11% |
| Thursday Night | 59°F | Slight Chance Rain Showers | 3 mph ENE | 16% |
| Friday | 77°F | Slight Chance Rain Showers | 5 mph E | 22% |
| Friday Night | 60°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Blairstown, MO
Last spring frost
Apr 17
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6b
Explore more for Blairstown, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Clinton, Mo (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.