Wyoming, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wyoming, a city in Stark County, Illinois.
Overnight
62°F
Mostly Clear
Mostly clear, with a low around 62. South wind around 3 mph.
7-day forecast for Wyoming
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 3 mph S | 0% |
| Tuesday | 86°F | Sunny | 3 to 8 mph S | 0% |
| Tuesday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph SSE | 34% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 6 mph SW | 56% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 2 to 6 mph NNE | 85% |
| Thursday | 79°F | Showers And Thunderstorms Likely | 5 mph NNE | 68% |
| Thursday Night | 63°F | Partly Cloudy | 0 to 3 mph ENE | 11% |
| Friday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph SSE | 17% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 mph SSE | 17% |
| Saturday | 85°F | Mostly Sunny | 3 to 7 mph SSW | 10% |
| Saturday Night | 70°F | Mostly Clear | 5 to 9 mph S | 9% |
| Sunday | 87°F | Sunny | 13 mph SSW | 8% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph SSW | 30% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 8 to 12 mph SSW | 30% |
Forecast source: National Weather Service (api.weather.gov) for Wyoming (41.064, -89.773). Updated through the day.
Growing snapshot for Wyoming
Last spring frost
Apr 22
First fall frost
Oct 14
Growing season
174 days
Hardiness zone
5b
More local growing data for Wyoming: nearby ZIP 61491 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Princeville, Il (8.9 mi from Wyoming). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.