Pleasant Prairie, IL Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 10 mph S | 0% |
| Tonight | 67°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 50% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 5 mph SW | 74% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 5 mph NW | 74% |
| Thursday | 77°F | Chance Rain Showers | 5 mph N | 49% |
| Thursday Night | 60°F | Partly Cloudy | 0 to 5 mph S | 12% |
| Friday | 81°F | Mostly Sunny | 5 mph SW | 3% |
| Friday Night | 63°F | Mostly Clear | 0 to 5 mph S | 7% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph SW | 14% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 24% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 47% |
| Monday | 83°F | Chance Rain Showers | 5 to 10 mph S | 46% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 48% |
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 Aug 4, 2026.