La Rose, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Rose, a village in Marshall County, Illinois.
Today
86°F
Sunny
Sunny, with a high near 86. South southwest wind around 7 mph.
7-day forecast for La Rose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 7 mph SSW | 0% |
| Tonight | 67°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 6 mph S | 15% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 3 to 7 mph SSW | 50% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph NE | 88% |
| Thursday | 81°F | Showers And Thunderstorms | 5 mph S | 76% |
| Thursday Night | 63°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SSE | 18% |
| Friday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph S | 17% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 2 mph SSW | 17% |
| Saturday | 86°F | Mostly Sunny | 3 to 7 mph SSW | 10% |
| Saturday Night | 70°F | Mostly Clear | 3 to 10 mph SSW | 10% |
| Sunday | 88°F | Sunny | 9 to 13 mph SSW | 8% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph SSW | 22% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph SSW | 22% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 10 mph SW | 33% |
Forecast source: National Weather Service (api.weather.gov) for La Rose (40.979, -89.235). Updated through the day.
Growing snapshot for La Rose
Last spring frost
Apr 20
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
5b
More local growing data for La Rose: nearby ZIP 61541 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lacon, Il (9.8 mi from La Rose). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.