Winslow, IL Weather & Growing Conditions
Today
84°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny. High near 84, with temperatures falling to around 81 in the afternoon. Southwest wind around 10 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 10 mph SW | 29% |
| Tonight | 64°F | Showers And Thunderstorms Likely | 5 mph NW | 86% |
| Wednesday | 74°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 70% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 50% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 0 mph | 21% |
| Thursday Night | 58°F | Mostly Clear | 0 mph | 5% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph S | 5% |
| Friday Night | 63°F | Mostly Clear | 5 mph S | 6% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 25% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 10 to 15 mph SW | 25% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 42% |
| Monday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 41% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph W | 41% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winslow, IL
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
5a
Explore more for Winslow, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Stockton 3 Nne, Il (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.