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Magnolia, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Magnolia, a village in Putnam County, Illinois.

This Afternoon
72°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 72, with temperatures falling to around 70 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%.

7-day forecast for Magnolia

WhenTempForecastWindPrecip
This Afternoon 72°F Showers And Thunderstorms 15 to 20 mph S 88%
Tonight 54°F Showers And Thunderstorms 15 mph S 97%
Wednesday 59°F Chance Rain Showers then Mostly Cloudy 15 mph SW 30%
Wednesday Night 45°F Mostly Cloudy 10 to 15 mph SW 9%
Thursday 56°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph SW 17%
Thursday Night 43°F Chance Rain Showers 5 mph NW 33%
Friday 53°F Slight Chance Rain Showers 5 to 10 mph N 19%
Friday Night 35°F Partly Cloudy 0 to 5 mph NW 3%
Saturday 52°F Mostly Sunny 0 to 5 mph W 3%
Saturday Night 35°F Partly Cloudy 0 mph 3%
Sunday 58°F Sunny then Slight Chance Rain Showers 0 to 10 mph W 15%
Sunday Night 35°F Mostly Clear 0 to 5 mph W 5%
Monday 63°F Sunny 5 to 10 mph SW 2%
Monday Night 40°F Mostly Clear 5 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Magnolia (41.114, -89.196). Updated through the day.

Growing snapshot for Magnolia

Last spring frost
Apr 18
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
5b

More local growing data for Magnolia: nearby ZIP 61336 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Hennepin, Il (11.8 mi from Magnolia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.