La Rose, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Rose, a village in Marshall County, Illinois.
Tonight
54°F
Light Rain
Rain before 2am, then a chance of rain showers. Mostly cloudy. Low around 54, with temperatures rising to around 59 overnight. South wind 12 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for La Rose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Light Rain | 12 to 15 mph S | 95% |
| Wednesday | 60°F | Chance Rain Showers then Mostly Cloudy | 15 mph SW | 29% |
| Wednesday Night | 46°F | Mostly Cloudy | 12 mph SW | 8% |
| Thursday | 58°F | Mostly Cloudy | 8 to 13 mph WSW | 13% |
| Thursday Night | 42°F | Chance Light Rain | 3 to 7 mph NW | 27% |
| Friday | 54°F | Slight Chance Light Rain | 7 to 10 mph N | 19% |
| Friday Night | 35°F | Partly Cloudy | 1 to 7 mph NNW | 3% |
| Saturday | 53°F | Mostly Sunny | 1 to 5 mph WNW | 3% |
| Saturday Night | 34°F | Partly Cloudy | 3 mph WSW | 3% |
| Sunday | 58°F | Sunny then Slight Chance Light Rain | 3 to 8 mph W | 15% |
| Sunday Night | 35°F | Mostly Clear | 6 mph W | 5% |
| Monday | 63°F | Sunny | 3 to 10 mph SW | 2% |
| Monday Night | 40°F | Mostly Clear | 3 to 8 mph WSW | 2% |
| Tuesday | 64°F | Sunny | 3 to 7 mph WNW | 0% |
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 Nov 4, 2026.