Lyon, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lyon, a town in Coahoma County, Mississippi.
Today
102°F
Sunny
Sunny, with a high near 102. Heat index values as high as 105. West southwest wind around 0 mph.
7-day forecast for Lyon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 102°F | Sunny | 0 mph | 1% |
| Tonight | 73°F | Mostly Clear | 0 mph | 1% |
| Sunday | 101°F | Sunny | 0 to 5 mph W | 1% |
| Sunday Night | 74°F | Mostly Clear | 0 to 5 mph SW | 1% |
| Monday | 100°F | Mostly Sunny | 0 to 5 mph W | 7% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 21% |
| Tuesday | 94°F | Sunny | 5 to 10 mph N | 10% |
| Tuesday Night | 66°F | Mostly Clear | 5 to 10 mph NNE | 10% |
| Wednesday | 90°F | Sunny | 5 to 10 mph NNE | 2% |
| Wednesday Night | 63°F | Mostly Clear | 5 to 10 mph NNE | 2% |
| Thursday | 89°F | Sunny | 5 to 10 mph NNE | 0% |
| Thursday Night | 63°F | Mostly Clear | 5 to 10 mph NNE | 0% |
| Friday | 89°F | Mostly Sunny | 5 to 10 mph NNE | 1% |
| Friday Night | 63°F | Partly Cloudy | 5 to 10 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lyon (34.217, -90.543). Updated through the day.
Growing snapshot for Lyon
Last spring frost
Mar 16
First fall frost
Nov 12
Growing season
243 days
Hardiness zone
8a
More local growing data for Lyon: nearby ZIP 38645 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Clarksdale, Ms (6.3 mi from Lyon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.