Prairie City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prairie City, a village in Mcdonough County, Illinois.
Today
87°F
Mostly Sunny
Mostly sunny, with a high near 87. South southwest wind around 7 mph.
7-day forecast for Prairie City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny | 7 mph SSW | 0% |
| Tonight | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 2 to 6 mph SE | 25% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 2 mph SSW | 59% |
| Wednesday Night | 65°F | Showers And Thunderstorms | 2 mph NNE | 89% |
| Thursday | 81°F | Showers And Thunderstorms | 2 mph NE | 76% |
| Thursday Night | 63°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 mph NNE | 18% |
| Friday | 83°F | Mostly Sunny | 0 mph | 7% |
| Friday Night | 65°F | Mostly Clear | 0 mph | 14% |
| Saturday | 86°F | Sunny | 0 to 3 mph SSW | 13% |
| Saturday Night | 70°F | Mostly Clear | 1 to 5 mph S | 8% |
| Sunday | 88°F | Sunny | 5 to 10 mph SSW | 7% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 to 7 mph S | 21% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph SSW | 21% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 6 mph SSW | 28% |
Forecast source: National Weather Service (api.weather.gov) for Prairie City (40.621, -90.465). Updated through the day.
Growing snapshot for Prairie City
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
185 days
Hardiness zone
6a
More local growing data for Prairie City: nearby ZIP 61470 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Adair
Bardolph
Blandinsville
Bushnell
Colchester
Georgetown
Good Hope
Industry
Macomb
Sciota
Tennessee
Climate data from the nearest NOAA station, Prairie City 2S, Il (2.4 mi from Prairie City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.