Momence, IL Weather & Growing Conditions
Overnight
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. East southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Chance Showers And Thunderstorms | 5 mph ESE | 28% |
| Saturday | 80°F | Showers And Thunderstorms Likely | 5 mph ESE | 93% |
| Saturday Night | 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% |
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.