Harman US

Valmeyer, IL Weather & Growing Conditions

This Afternoon
74°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 74, with temperatures falling to around 67 in the afternoon. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 74°F Rain 15 mph S 93%
Tonight 52°F Rain 6 to 14 mph SW 92%
Wednesday 65°F Mostly Cloudy 6 to 9 mph W 4%
Wednesday Night 42°F Partly Cloudy 5 mph SW 0%
Thursday 68°F Sunny 3 to 7 mph W 2%
Thursday Night 44°F Mostly Cloudy 5 mph NW 11%
Friday 59°F Partly Sunny 3 to 8 mph NW 4%
Friday Night 39°F Mostly Cloudy 1 to 5 mph N 1%
Saturday 58°F Partly Sunny 3 mph NW 0%
Saturday Night 36°F Partly Cloudy 1 mph NW 1%
Sunday 64°F Sunny 1 to 6 mph W 7%
Sunday Night 36°F Mostly Clear 3 mph W 6%
Monday 68°F Sunny 2 to 6 mph SW 2%
Monday Night 40°F Mostly Clear 3 mph SW 1%

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

Growing snapshot for Valmeyer, IL

Last spring frost
Apr 9
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Festus, Mo (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.