Winfield, MO Weather & Growing Conditions
This Afternoon
98°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Sunny, with a high near 98. Heat index values as high as 103. Southeast wind around 2 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Chance Showers And Thunderstorms | 2 mph SE | 25% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph SE | 22% |
| Saturday | 96°F | Partly Sunny | 3 to 7 mph SW | 6% |
| Saturday Night | 70°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph SW | 12% |
| Sunday | 90°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph W | 39% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph NE | 70% |
| Monday | 76°F | Showers And Thunderstorms Likely | 5 to 8 mph NE | 70% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 8 mph N | 55% |
| Tuesday | 70°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph N | 23% |
| Tuesday Night | 53°F | Mostly Cloudy | 5 to 8 mph N | 5% |
| Wednesday | 73°F | Mostly Sunny | 6 mph N | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph N | 1% |
| Thursday | 75°F | Mostly Sunny | 2 to 6 mph N | 4% |
| Thursday Night | 57°F | Partly Cloudy | 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winfield, MO
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6b
Explore more for Winfield, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Elsberry 1 S, Mo (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.