La Rose, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Rose, a village in Marshall County, Illinois.
This Afternoon
77°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4pm. Partly sunny. High near 77, with temperatures falling to around 70 in the afternoon. East wind around 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for La Rose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Chance Showers And Thunderstorms | 9 mph E | 42% |
| Tonight | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 9 mph ESE | 25% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 8 mph SSE | 39% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 8 mph NNW | 69% |
| Sunday | 75°F | Rain Showers | 3 to 14 mph NNE | 76% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 12 to 15 mph NE | 72% |
| Monday | 66°F | Showers And Thunderstorms Likely | 13 to 16 mph ENE | 67% |
| Monday Night | 52°F | Chance Rain Showers | 12 to 16 mph NE | 44% |
| Tuesday | 65°F | Chance Rain Showers | 14 mph NE | 28% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 14 mph NNE | 6% |
| Wednesday | 68°F | Partly Sunny | 6 to 10 mph NNE | 5% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 8 mph NNE | 4% |
| Thursday | 70°F | Mostly Sunny | 3 to 7 mph NNE | 2% |
| Thursday Night | 53°F | Partly Cloudy | 2 to 6 mph NNE | 3% |
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 Sep 18, 2026.