Grand Pass, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Pass, a village in Saline County, Missouri.
Today
91°F
Sunny
Sunny, with a high near 91. Heat index values as high as 98. South wind around 5 mph.
7-day forecast for Grand Pass
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 5 mph S | 2% |
| Tonight | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph SE | 15% |
| Wednesday | 87°F | Chance Showers And Thunderstorms | 2 to 6 mph SE | 45% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely | 2 to 6 mph NNE | 86% |
| Thursday | 85°F | Showers And Thunderstorms then Partly Sunny | 3 mph NNE | 86% |
| Thursday Night | 66°F | Partly Cloudy | 2 mph ESE | 9% |
| Friday | 88°F | Mostly Sunny | 0 to 3 mph SSW | 14% |
| Friday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 2 mph S | 19% |
| Saturday | 91°F | Slight Chance Showers And Thunderstorms then Sunny | 2 to 6 mph SSW | 19% |
| Saturday Night | 72°F | Mostly Clear | 3 to 7 mph S | 5% |
| Sunday | 93°F | Sunny | 10 mph SSW | 2% |
| Sunday Night | 73°F | Mostly Clear | 8 mph S | 4% |
| Monday | 94°F | Mostly Sunny | 8 to 12 mph SSW | 3% |
| Monday Night | 74°F | Mostly Clear | 8 mph SSW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Grand Pass (39.205, -93.443). Updated through the day.
Growing snapshot for Grand Pass
Last spring frost
Apr 6
First fall frost
Oct 30
Growing season
207 days
Hardiness zone
6b
More local growing data for Grand Pass: nearby ZIP 65339 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Arrow Rock
Blackburn
Emma
Gilliam
Malta Bend
Marshall
Miami
Mount Leonard
Nelson
Slater
Sweet Springs
Climate data from the nearest NOAA station, Waverly, Mo (8.6 mi from Grand Pass). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.