Rapids City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rapids City, a village in Rock Island County, Illinois.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph.
7-day forecast for Rapids City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 5 to 10 mph SW | 8% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 5 mph N | 78% |
| Wednesday | 78°F | Showers And Thunderstorms | 5 mph N | 78% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 5 mph N | 75% |
| Thursday | 80°F | Chance Rain Showers then Mostly Sunny | 5 mph NE | 47% |
| Thursday Night | 62°F | Mostly Clear | 0 to 5 mph E | 10% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 65°F | Mostly Clear | 5 mph S | 8% |
| Saturday | 85°F | Sunny | 5 to 10 mph S | 10% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SW | 17% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 10 mph S | 36% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 36% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 mph W | 35% |
Forecast source: National Weather Service (api.weather.gov) for Rapids City (41.579, -90.340). Updated through the day.
Growing snapshot for Rapids City
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
5b
More local growing data for Rapids City: nearby ZIP 61278 weather · frost dates · planting calendar · Illinois frost dates
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Rock Island
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Climate data from the nearest NOAA station, Le Claire L&D 14, Ia (3.4 mi from Rapids City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.