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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

WhenTempForecastWindPrecip
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

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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.