Pleasant Plains, IL Weather & Growing Conditions
Today
88°F
Sunny
Sunny, with a high near 88. South wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 6 mph S | 0% |
| Tonight | 68°F | Partly Cloudy | 6 mph SSE | 1% |
| Wednesday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph S | 24% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 6 mph SSE | 78% |
| Thursday | 83°F | Showers And Thunderstorms | 5 mph SSW | 78% |
| Thursday Night | 65°F | Slight Chance Showers And Thunderstorms | 3 mph SSE | 17% |
| Friday | 84°F | Partly Sunny | 2 mph SW | 9% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 2 mph SSW | 22% |
| Saturday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 6 mph SSW | 22% |
| Saturday Night | 70°F | Mostly Clear | 3 to 8 mph S | 9% |
| Sunday | 90°F | Sunny | 8 to 12 mph SSW | 4% |
| Sunday Night | 72°F | Mostly Clear | 10 mph S | 12% |
| Monday | 90°F | Mostly Sunny | 10 mph SSW | 12% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 9 mph SSW | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Pleasant Plains, IL
Last spring frost
Apr 19
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
6a
Explore more for Pleasant Plains, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Athens 4Sw, Il (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.