Harman US

Loami, IL Weather & Growing Conditions

This Afternoon
72°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 65 in the afternoon. South southeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 72°F Light Rain 20 mph SSE 84%
Tonight 52°F Light Rain 12 to 18 mph S 81%
Wednesday 60°F Chance Rain Showers then Mostly Cloudy 12 to 15 mph SW 10%
Wednesday Night 42°F Mostly Cloudy 9 mph SW 1%
Thursday 61°F Mostly Sunny 8 to 13 mph WSW 4%
Thursday Night 41°F Mostly Cloudy then Slight Chance Light Rain 7 mph NW 22%
Friday 56°F Mostly Cloudy 6 to 10 mph NNW 12%
Friday Night 35°F Mostly Cloudy 1 to 8 mph NNW 2%
Saturday 54°F Mostly Sunny 3 mph NW 2%
Saturday Night 33°F Partly Cloudy 2 mph W 1%
Sunday 60°F Sunny 2 to 8 mph W 7%
Sunday Night 34°F Mostly Clear 2 to 6 mph WNW 4%
Monday 64°F Sunny 3 to 9 mph SW 2%
Monday Night 39°F Mostly Clear 6 mph WSW 1%

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

Growing snapshot for Loami, IL

Last spring frost
Apr 7
First fall frost
Oct 29
Growing season
205 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Virden, Il (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.