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Kappa, IL Weather & Growing Conditions

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

Overnight
57°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 57. South southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Kappa

WhenTempForecastWindPrecip
Overnight 57°F Chance Light Rain 13 mph SSW 26%
Wednesday 60°F Slight Chance Drizzle 13 to 16 mph SW 14%
Wednesday Night 44°F Slight Chance Drizzle then Mostly Cloudy 14 mph SW 10%
Thursday 58°F Mostly Cloudy then Slight Chance Light Rain 12 to 16 mph WSW 20%
Thursday Night 40°F Chance Light Rain 6 to 9 mph NW 39%
Friday 52°F Partly Sunny 12 mph NNW 8%
Friday Night 32°F Partly Cloudy 2 to 8 mph NNW 0%
Saturday 53°F Sunny 2 to 6 mph NW 0%
Saturday Night 31°F Mostly Clear 3 mph WNW 2%
Sunday 57°F Sunny 3 to 9 mph W 1%
Sunday Night 33°F Clear 5 mph W 0%
Monday 64°F Sunny 2 to 9 mph SW 0%
Monday Night 38°F Mostly Clear 3 to 7 mph SW 0%
Tuesday 66°F Sunny 6 mph WNW 1%

Forecast source: National Weather Service (api.weather.gov) for Kappa (40.675, -89.006). Updated through the day.

Growing snapshot for Kappa

Last spring frost
Apr 25
First fall frost
Oct 16
Growing season
172 days
Hardiness zone
6a

More local growing data for Kappa: nearby ZIP 61748 weather · frost dates · planting calendar · Illinois frost dates

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Anchor Arrowsmith Bellflower Bloomington Chenoa Colfax Cooksville Danvers Downs Ellsworth Gridley Heyworth Hudson Le Roy Lexington McLean Normal Saybrook Shirley Stanford Towanda Twin Grove

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Climate data from the nearest NOAA station, Normal 4Ne, Il (5.6 mi from Kappa). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.