Wood River, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wood River, a city in Madison County, Illinois.
Tonight
73°F
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 73. Southeast wind around 6 mph. Chance of precipitation is 20%.
7-day forecast for Wood River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 mph SE | 21% |
| Saturday | 99°F | Mostly Sunny | 3 to 8 mph SW | 6% |
| Saturday Night | 73°F | Partly Cloudy | 5 mph S | 3% |
| Sunday | 94°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 8 mph W | 25% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 9 mph N | 63% |
| Monday | 81°F | Rain Showers Likely | 6 to 13 mph N | 69% |
| Monday Night | 60°F | Showers And Thunderstorms Likely | 7 to 13 mph N | 69% |
| Tuesday | 73°F | Chance Rain Showers then Mostly Cloudy | 13 mph N | 26% |
| Tuesday Night | 55°F | Mostly Cloudy | 6 to 13 mph N | 5% |
| Wednesday | 76°F | Mostly Sunny | 7 to 10 mph N | 2% |
| Wednesday Night | 55°F | Partly Cloudy | 3 to 9 mph N | 2% |
| Thursday | 78°F | Mostly Sunny | 3 to 8 mph N | 3% |
| Thursday Night | 58°F | Partly Cloudy | 3 to 7 mph NE | 3% |
| Friday | 78°F | Mostly Sunny | 3 to 8 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Wood River (38.863, -90.078). Updated through the day.
Growing snapshot for Wood River
Last spring frost
Apr 4
First fall frost
Nov 5
Growing season
214 days
Hardiness zone
7a
More local growing data for Wood River: nearby ZIP 62095 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Alton - Melvin Price L&D, Il (4 mi from Wood River). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.