Pleasant Prairie, IL Weather & Growing Conditions
Tonight
60°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 60. East wind 15 to 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Showers And Thunderstorms Likely | 15 to 20 mph E | 85% |
| Saturday | 74°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 15 to 20 mph SE | 97% |
| Saturday Night | 61°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 10 to 15 mph NE | 77% |
| Sunday | 67°F | Showers And Thunderstorms Likely | 15 to 25 mph NE | 67% |
| Sunday Night | 54°F | Chance Rain Showers | 20 mph NE | 38% |
| Monday | 65°F | Chance Rain Showers | 20 mph E | 33% |
| Monday Night | 51°F | Chance Rain Showers | 10 to 20 mph NE | 32% |
| Tuesday | 64°F | Slight Chance Rain Showers | 15 mph NE | 20% |
| Tuesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 15 mph NE | 17% |
| Wednesday | 65°F | Partly Sunny | 5 to 10 mph NE | 12% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 5% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph N | 5% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph N | 5% |
| Friday | 68°F | Mostly Sunny | 5 to 10 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Pleasant Prairie, IL
Last spring frost
Apr 30
First fall frost
Oct 21
Growing season
173 days
Hardiness zone
5b
Explore more for Pleasant Prairie, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Chicago Waukegan Rgnl Ap, Il (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.