McNabb, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McNabb, a village in Putnam County, Illinois.
This Afternoon
80°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly cloudy. High near 80, with temperatures falling to around 78 in the afternoon. South wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for McNabb
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Slight Chance Showers And Thunderstorms | 5 mph S | 16% |
| Tonight | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph E | 81% |
| Sunday | 72°F | Patchy Fog | 5 to 15 mph NE | 72% |
| Sunday Night | 57°F | Chance Rain Showers | 15 mph NE | 48% |
| Monday | 65°F | Rain Showers Likely | 15 mph E | 63% |
| Monday Night | 54°F | Chance Rain Showers | 10 to 15 mph NE | 54% |
| Tuesday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 54% |
| Tuesday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 15 mph NE | 15% |
| Wednesday | 66°F | Partly Sunny | 5 to 10 mph NE | 4% |
| Wednesday Night | 53°F | Partly Cloudy | 5 to 10 mph NE | 2% |
| Thursday | 69°F | Partly Sunny | 5 mph NE | 3% |
| Thursday Night | 55°F | Mostly Cloudy | 0 to 5 mph NE | 9% |
| Friday | 73°F | Partly Sunny | 0 to 5 mph NE | 7% |
| Friday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 7% |
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 20, 2026.