Heavener, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heavener, a city in Le Flore County, Oklahoma.
This Afternoon
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 100. South wind around 5 mph.
7-day forecast for Heavener
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Sunny | 5 mph S | 0% |
| Tonight | 70°F | Mostly Clear | 5 mph SE | 0% |
| Saturday | 99°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 70°F | Partly Cloudy | 5 to 10 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 5 mph S | 2% |
| Sunday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 0 to 5 mph SW | 35% |
| Monday | 94°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 35% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph N | 27% |
| Tuesday | 90°F | Mostly Sunny | 0 to 5 mph N | 14% |
| Tuesday Night | 62°F | Partly Cloudy | 0 to 5 mph NE | 7% |
| Wednesday | 90°F | Mostly Sunny | 0 to 5 mph NE | 7% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 5 mph E | 4% |
| Thursday | 90°F | Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 62°F | Partly Cloudy | 0 mph | 4% |
Forecast source: National Weather Service (api.weather.gov) for Heavener (34.892, -94.608). Updated through the day.
Growing snapshot for Heavener
Last spring frost
Apr 6
First fall frost
Nov 2
Growing season
210 days
Hardiness zone
7b
More local growing data for Heavener: nearby ZIP 74940 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Bokoshe
Cameron
Fanshawe
Fort Coffee
Hodgen
Howe
Le Flore
Monroe
Panama
Pocola
Poteau
Rock Island
Shady Point
Smithville
Spiro
Whitesboro
Wister
Climate data from the nearest NOAA station, Wister 3S, Ok (4.1 mi from Heavener). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.