Harman US

Muddy, IL Weather & Growing Conditions

This Afternoon
79°F
Mostly Sunny
Mostly sunny. High near 79, with temperatures falling to around 76 in the afternoon. South southeast wind around 20 mph, with gusts as high as 28 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 79°F Mostly Sunny 20 mph SSE 3%
Tonight 57°F Showers And Thunderstorms 7 to 15 mph S 98%
Wednesday 69°F Partly Sunny 6 to 12 mph SW 10%
Wednesday Night 43°F Partly Cloudy 3 mph SW 0%
Thursday 69°F Sunny 1 to 9 mph SW 0%
Thursday Night 44°F Partly Cloudy 2 mph W 5%
Friday 62°F Partly Sunny 2 to 9 mph NNW 5%
Friday Night 39°F Mostly Cloudy 1 to 6 mph NNW 1%
Saturday 58°F Mostly Sunny 1 to 5 mph NNW 0%
Saturday Night 34°F Partly Cloudy 1 mph NNW 1%
Sunday 62°F Sunny 0 to 7 mph WNW 5%
Sunday Night 33°F Mostly Clear 3 mph NW 6%
Monday 65°F Sunny 1 to 8 mph WNW 2%
Monday Night 37°F Mostly Clear 1 to 5 mph SW 0%

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

Growing snapshot for Muddy, IL

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

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

Climate data from the nearest NOAA station, Harrisburg, Il (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.