South Lineville, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Lineville, a town in Mercer County, Missouri.
Today
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 83. South southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for South Lineville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Chance Showers And Thunderstorms | 6 to 10 mph SSW | 27% |
| Tonight | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph NNW | 72% |
| Sunday | 69°F | Chance Showers And Thunderstorms | 6 to 12 mph NNE | 52% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 12 mph NE | 66% |
| Monday | 61°F | Showers And Thunderstorms Likely | 13 mph NE | 66% |
| Monday Night | 53°F | Chance Rain Showers | 10 mph NE | 33% |
| Tuesday | 59°F | Mostly Cloudy | 9 mph NE | 11% |
| Tuesday Night | 47°F | Partly Cloudy | 6 mph NE | 6% |
| Wednesday | 62°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph ENE | 5% |
| Thursday | 66°F | Slight Chance Rain Showers | 5 mph E | 15% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 19% |
| Friday | 68°F | Slight Chance Rain Showers then Partly Sunny | 6 mph E | 19% |
| Friday Night | 57°F | Mostly Cloudy | 3 mph E | 12% |
Forecast source: National Weather Service (api.weather.gov) for South Lineville (40.579, -93.524). Updated through the day.
Growing snapshot for South Lineville
Last spring frost
Apr 25
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
5b
More local growing data for South Lineville: nearby ZIP 64661 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Princeton, Mo (10.1 mi from South Lineville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.