Harman US

Momence, IL Weather & Growing Conditions

Today
80°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Cloudy. High near 80, with temperatures falling to around 78 in the afternoon. Southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 80°F Showers And Thunderstorms Likely 5 mph SE 74%
Tonight 64°F Showers And Thunderstorms Likely 0 mph 77%
Sunday 72°F Showers And Thunderstorms Likely 5 to 10 mph N 66%
Sunday Night 54°F Chance Showers And Thunderstorms 10 to 15 mph NE 45%
Monday 66°F Rain Showers Likely 10 to 15 mph ENE 57%
Monday Night 49°F Chance Rain Showers then Mostly Cloudy 10 to 15 mph NE 44%
Tuesday 65°F Slight Chance Rain Showers 10 mph NE 18%
Tuesday Night 50°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph NE 17%
Wednesday 67°F Partly Sunny 5 to 10 mph NNE 7%
Wednesday Night 50°F Mostly Cloudy 5 to 10 mph NNE 4%
Thursday 69°F Partly Sunny 5 mph NNE 3%
Thursday Night 51°F Mostly Cloudy 0 to 5 mph NNE 3%
Friday 72°F Mostly Sunny 0 to 5 mph NNE 3%
Friday Night 50°F Partly Cloudy 0 to 5 mph NE 3%

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

Growing snapshot for Momence, IL

Last spring frost
Apr 29
First fall frost
Oct 16
Growing season
171 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Lowell, In (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.