Wood River, IL Weather & Growing Conditions
Overnight
65°F
Clear
Clear, with a low around 65. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Clear | 2 mph SE | 0% |
| Tuesday | 88°F | Sunny | 3 mph SE | 0% |
| Tuesday Night | 68°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 90°F | Sunny | 2 to 6 mph S | 10% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 5 to 8 mph S | 55% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 6 mph S | 66% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph E | 38% |
| Friday | 87°F | Chance Showers And Thunderstorms | 5 mph SW | 38% |
| Friday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 32% |
| Saturday | 89°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 mph S | 32% |
| Saturday Night | 72°F | Mostly Clear | 6 mph S | 7% |
| Sunday | 92°F | Sunny | 5 to 9 mph S | 6% |
| Sunday Night | 75°F | Mostly Clear | 8 mph S | 5% |
| Monday | 93°F | Mostly Sunny | 6 to 9 mph SW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wood River, IL
Last spring frost
Apr 4
First fall frost
Nov 5
Growing season
214 days
Hardiness zone
7a
Explore more for Wood River, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Alton - Melvin Price L&D, Il (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.