Prairie City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prairie City, a village in Mcdonough County, Illinois.
Tonight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 8pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Northeast wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Prairie City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Chance Showers And Thunderstorms | 3 mph NE | 64% |
| Sunday | 75°F | Showers And Thunderstorms | 2 to 13 mph N | 76% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 to 13 mph NE | 68% |
| Monday | 65°F | Showers And Thunderstorms | 13 mph ENE | 78% |
| Monday Night | 54°F | Rain Showers Likely | 7 to 10 mph NE | 64% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 54% |
| Tuesday Night | 50°F | Mostly Cloudy | 3 to 8 mph NNE | 6% |
| Wednesday | 66°F | Partly Sunny | 7 mph NNE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 5 mph NNE | 1% |
| Thursday | 69°F | Partly Sunny | 3 mph NE | 3% |
| Thursday Night | 55°F | Slight Chance Rain Showers | 2 mph NNE | 15% |
| Friday | 73°F | Slight Chance Rain Showers then Partly Sunny | 3 mph NE | 15% |
| Friday Night | 55°F | Partly Cloudy | 2 mph NE | 7% |
| Saturday | 74°F | Mostly Sunny | 3 mph ENE | 4% |
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 Sep 20, 2026.