McNabb, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McNabb, a village in Putnam County, Illinois.
Tonight
66°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2am. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
7-day forecast for McNabb
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph SE | 29% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 5 mph SE | 49% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph NW | 74% |
| Sunday | 74°F | Rain Showers | 5 to 15 mph NE | 77% |
| Sunday Night | 57°F | Showers And Thunderstorms | 15 mph NE | 76% |
| Monday | 66°F | Showers And Thunderstorms Likely | 15 mph NE | 64% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 42% |
| Tuesday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 28% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 15 mph NE | 6% |
| Wednesday | 68°F | Partly Sunny | 5 to 10 mph NE | 5% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 10 mph N | 5% |
| Thursday | 70°F | Mostly Sunny | 5 mph N | 3% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for McNabb (41.177, -89.210). Updated through the day.
Growing snapshot for McNabb
Last spring frost
Apr 18
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
5b
More local growing data for McNabb: nearby ZIP 61335 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hennepin, Il (8.5 mi from McNabb). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.