Mammoth Spring, AR Weather & Growing Conditions
This Afternoon
70°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 70, with temperatures falling to around 66 in the afternoon. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Showers And Thunderstorms Likely | 10 to 15 mph S | 72% |
| Tonight | 45°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph SW | 43% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph W | 1% |
| Wednesday Night | 35°F | Mostly Clear | 0 mph | 0% |
| Thursday | 70°F | Sunny | 0 to 5 mph SW | 1% |
| Thursday Night | 39°F | Mostly Cloudy | 0 to 5 mph WNW | 9% |
| Friday | 63°F | Mostly Sunny | 5 to 10 mph NNW | 0% |
| Friday Night | 34°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 60°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 31°F | Partly Cloudy | 0 mph | 1% |
| Sunday | 63°F | Sunny | 0 to 5 mph WNW | 6% |
| Sunday Night | 30°F | Mostly Clear | 0 mph | 2% |
| Monday | 67°F | Sunny | 0 to 5 mph W | 1% |
| Monday Night | 33°F | Mostly Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mammoth Spring, AR
Last spring frost
Apr 12
First fall frost
Oct 24
Growing season
194 days
Hardiness zone
7a
Explore more for Mammoth Spring, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Mammoth Spring, Ar (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.