Mountainburg, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mountainburg, a city in Crawford County, Arkansas.
Today
94°F
Sunny
Sunny, with a high near 94. Southeast wind around 5 mph.
7-day forecast for Mountainburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 5 mph SE | 0% |
| Tonight | 72°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 96°F | Sunny | 5 mph SE | 3% |
| Wednesday Night | 72°F | Partly Cloudy | 0 to 5 mph SE | 7% |
| Thursday | 95°F | Mostly Sunny | 0 to 5 mph S | 14% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 38% |
| Friday | 91°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 42% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 42% |
| Saturday | 92°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 17% |
| Saturday Night | 72°F | Mostly Clear | 0 to 5 mph SE | 13% |
| Sunday | 93°F | Sunny | 0 to 5 mph S | 4% |
| Sunday Night | 72°F | Mostly Clear | 0 to 5 mph SE | 4% |
| Monday | 93°F | Sunny | 0 to 10 mph S | 7% |
| Monday Night | 73°F | Mostly Clear | 0 to 5 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Mountainburg (35.650, -94.162). Updated through the day.
Growing snapshot for Mountainburg
Last spring frost
Apr 9
First fall frost
Oct 28
Growing season
201 days
Hardiness zone
7b
More local growing data for Mountainburg: nearby ZIP 72946 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mountainburg 2 Ne, Ar (1.1 mi from Mountainburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.