Green Valley, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Green Valley, a village in Tazewell County, Illinois.
Tonight
53°F
Rain
Rain before 2am, then a chance of rain showers. Cloudy, with a low around 53. South southwest wind 12 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Green Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Rain | 12 to 16 mph SSW | 94% |
| Wednesday | 60°F | Mostly Cloudy | 15 mph SW | 14% |
| Wednesday Night | 45°F | Mostly Cloudy | 8 to 12 mph SW | 2% |
| Thursday | 60°F | Mostly Sunny | 8 to 13 mph WSW | 8% |
| Thursday Night | 42°F | Mostly Cloudy then Chance Light Rain | 3 to 7 mph NW | 25% |
| Friday | 55°F | Mostly Cloudy then Slight Chance Light Rain | 7 to 10 mph NNW | 15% |
| Friday Night | 35°F | Partly Cloudy | 1 to 7 mph NNW | 3% |
| Saturday | 54°F | Mostly Sunny | 1 to 5 mph WNW | 2% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph W | 2% |
| Sunday | 61°F | Sunny | 2 to 8 mph WNW | 12% |
| Sunday Night | 34°F | Mostly Clear | 2 to 6 mph W | 5% |
| Monday | 65°F | Sunny | 2 to 10 mph SW | 2% |
| Monday Night | 39°F | Mostly Clear | 3 to 7 mph WSW | 1% |
| Tuesday | 67°F | Sunny | 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Green Valley (40.407, -89.644). Updated through the day.
Growing snapshot for Green Valley
Last spring frost
Apr 17
First fall frost
Oct 18
Growing season
182 days
Hardiness zone
6a
More local growing data for Green Valley: nearby ZIP 61534 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Armington
Creve Coeur
Deer Creek
Delavan
East Peoria
Heritage Lake
Hopedale
Mackinaw
Manito
Marquette Heights
Minier
Morton
North Pekin
Pekin
South Pekin
Tremont
Washington
Climate data from the nearest NOAA station, Mason City 4Se, Il (17.3 mi from Green Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.