Towanda, IL Weather & Growing Conditions
Tonight
67°F
Mostly Cloudy
Mostly cloudy, with a low around 67. Southeast wind around 10 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Mostly Cloudy | 10 mph SE | 13% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 12 mph S | 29% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 9 mph ENE | 51% |
| Sunday | 78°F | Rain Showers Likely | 6 to 16 mph NNE | 63% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 13 to 16 mph NE | 66% |
| Monday | 67°F | Showers And Thunderstorms Likely | 17 mph ENE | 68% |
| Monday Night | 52°F | Chance Showers And Thunderstorms | 14 to 17 mph NE | 50% |
| Tuesday | 66°F | Chance Rain Showers | 16 mph NE | 26% |
| Tuesday Night | 50°F | Mostly Cloudy | 8 to 15 mph NNE | 7% |
| Wednesday | 69°F | Partly Sunny | 12 mph NNE | 4% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 12 mph NNE | 4% |
| Thursday | 70°F | Mostly Sunny | 6 to 9 mph NNE | 2% |
| Thursday Night | 53°F | Partly Cloudy | 5 to 8 mph NNE | 3% |
| Friday | 72°F | Mostly Sunny | 5 to 9 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Towanda, IL
Last spring frost
Apr 25
First fall frost
Oct 16
Growing season
172 days
Hardiness zone
6a
Explore more for Towanda, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Normal 4Ne, Il (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.