Downs, IL Weather & Growing Conditions
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 7 mph S | 0% |
| Tonight | 66°F | Partly Cloudy | 6 mph SSE | 1% |
| Wednesday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 9 mph SSW | 23% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 7 mph SSE | 80% |
| Thursday | 80°F | Showers And Thunderstorms | 7 mph SSW | 80% |
| Thursday Night | 64°F | Slight Chance Showers And Thunderstorms | 6 mph SSE | 18% |
| Friday | 82°F | Partly Sunny | 5 mph S | 11% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 mph S | 23% |
| Saturday | 84°F | Mostly Sunny | 6 to 9 mph SSW | 13% |
| Saturday Night | 69°F | Mostly Clear | 7 to 10 mph SSW | 13% |
| Sunday | 87°F | Sunny | 10 to 15 mph SSW | 9% |
| Sunday Night | 71°F | Partly Cloudy | 10 to 14 mph SSW | 14% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 10 to 14 mph SSW | 17% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 13 mph SW | 29% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Downs, IL
Last spring frost
Apr 25
First fall frost
Oct 16
Growing season
172 days
Hardiness zone
6a
Explore more for Downs, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Normal 4Ne, Il (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.