Prospect, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prospect, a community in Grant County, Louisiana.
Today
95°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Heat index values as high as 102. Northeast wind around 0 mph. Chance of precipitation is 20%.
7-day forecast for Prospect
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 18% |
| Tonight | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 18% |
| Wednesday | 96°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 27% |
| Wednesday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 27% |
| Thursday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 22% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 22% |
| Friday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 18% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 18% |
| Saturday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 16% |
| Saturday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 16% |
| Sunday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 21% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 21% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 40% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 40% |
Forecast source: National Weather Service (api.weather.gov) for Prospect (31.446, -92.496). Updated through the day.
Growing snapshot for Prospect
Last spring frost
Mar 2
First fall frost
Nov 17
Growing season
260 days
Hardiness zone
9a
More local growing data for Prospect: nearby ZIP 71407 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Alexandria Intl Ap, La (13.3 mi from Prospect). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.