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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.