Blytheville, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blytheville, a city in Mississippi County, Arkansas.
This Afternoon
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 104. Southwest wind around 5 mph.
7-day forecast for Blytheville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Sunny | 5 mph SW | 0% |
| Tonight | 72°F | Clear | 0 to 5 mph SSW | 0% |
| Saturday | 100°F | Sunny | 0 to 5 mph WSW | 1% |
| Saturday Night | 73°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Sunday | 100°F | Sunny | 0 to 10 mph SW | 0% |
| Sunday Night | 73°F | Partly Cloudy | 0 to 5 mph NNW | 1% |
| Monday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph NNW | 18% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph N | 27% |
| Tuesday | 87°F | Mostly Sunny | 10 to 15 mph N | 13% |
| Tuesday Night | 62°F | Partly Cloudy | 10 to 15 mph N | 9% |
| Wednesday | 84°F | Sunny | 10 mph NNE | 6% |
| Wednesday Night | 61°F | Mostly Clear | 5 to 10 mph NNE | 3% |
| Thursday | 84°F | Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 61°F | Mostly Clear | 5 to 10 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Blytheville (35.934, -89.905). Updated through the day.
Growing snapshot for Blytheville
Last spring frost
Mar 18
First fall frost
Nov 14
Growing season
240 days
Hardiness zone
8a
More local growing data for Blytheville: nearby ZIP 72315 weather · frost dates · planting calendar · Arkansas frost dates
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Climate data from the nearest NOAA station, Blytheville, Ar (1.7 mi from Blytheville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.