Harman US

Longview, IL Weather & Growing Conditions

This Afternoon
76°F
Slight Chance Light Rain
A slight chance of rain after 5pm. Partly sunny, with a high near 76. South southeast wind around 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 76°F Slight Chance Light Rain 20 mph SSE 19%
Tonight 57°F Rain 14 to 17 mph S 83%
Wednesday 64°F Chance Light Rain then Mostly Cloudy 10 to 15 mph SSW 34%
Wednesday Night 45°F Mostly Cloudy 8 mph SW 1%
Thursday 63°F Mostly Sunny 8 to 13 mph WSW 2%
Thursday Night 43°F Mostly Cloudy 6 mph WNW 8%
Friday 57°F Partly Sunny 5 to 9 mph NNW 14%
Friday Night 36°F Mostly Cloudy 3 to 8 mph NNW 6%
Saturday 55°F Mostly Sunny 5 mph NW 2%
Saturday Night 33°F Partly Cloudy 2 mph W 2%
Sunday 60°F Sunny 2 to 8 mph W 11%
Sunday Night 33°F Mostly Clear 5 mph WNW 8%
Monday 64°F Sunny 3 to 9 mph WSW 4%
Monday Night 38°F Mostly Clear 6 mph WSW 1%

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

Growing snapshot for Longview, IL

Last spring frost
Apr 15
First fall frost
Oct 20
Growing season
188 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Tuscola, Il (13.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.