Harman US

Mount Erie, IL Weather & Growing Conditions

Today
65°F
Mostly Cloudy
Mostly cloudy. High near 65, with temperatures falling to around 62 in the afternoon. West southwest wind 6 to 12 mph, with gusts as high as 18 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 65°F Mostly Cloudy 6 to 12 mph WSW 13%
Tonight 44°F Partly Cloudy 3 mph WSW 0%
Thursday 66°F Sunny 3 to 9 mph SW 0%
Thursday Night 45°F Partly Cloudy 2 mph WNW 0%
Friday 59°F Partly Sunny 2 to 10 mph NNW 1%
Friday Night 36°F Partly Cloudy 2 to 7 mph NNW 0%
Saturday 56°F Mostly Sunny 5 mph NNW 0%
Saturday Night 33°F Partly Cloudy 1 mph NNW 0%
Sunday 60°F Sunny 0 to 7 mph NW 2%
Sunday Night 34°F Clear 2 mph NW 1%
Monday 63°F Sunny 0 to 5 mph WSW 0%
Monday Night 38°F Clear 1 mph SW 1%
Tuesday 67°F Sunny 1 to 5 mph W 1%
Tuesday Night 40°F Mostly Clear 1 mph NW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Mount Erie, IL

Last spring frost
Apr 7
First fall frost
Oct 26
Growing season
201 days
Hardiness zone
6b

Explore more for Mount Erie, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Fairfield Radio Wfiw, Il (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.