Towanda, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Towanda, a village in Mclean County, Illinois.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. South wind around 7 mph.
7-day forecast for Towanda
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 7 mph S | 0% |
| Tonight | 66°F | Partly Cloudy | 7 mph S | 1% |
| Wednesday | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 9 mph SSW | 26% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 7 mph S | 80% |
| Thursday | 81°F | Showers And Thunderstorms | 7 mph SSW | 80% |
| Thursday Night | 64°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph S | 18% |
| Friday | 83°F | Mostly Sunny | 3 mph SSW | 12% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 mph S | 22% |
| Saturday | 85°F | Mostly Sunny | 5 to 8 mph SSW | 12% |
| Saturday Night | 70°F | Mostly Clear | 7 to 10 mph SSW | 12% |
| Sunday | 88°F | Sunny | 10 to 15 mph SSW | 10% |
| Sunday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 14 mph SSW | 16% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 13 mph SSW | 17% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 13 mph SW | 28% |
Forecast source: National Weather Service (api.weather.gov) for Towanda (40.563, -88.901). Updated through the day.
Growing snapshot for Towanda
Last spring frost
Apr 25
First fall frost
Oct 16
Growing season
172 days
Hardiness zone
6a
More local growing data for Towanda: nearby ZIP 61776 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Anchor
Arrowsmith
Bellflower
Bloomington
Chenoa
Colfax
Cooksville
Danvers
Downs
Ellsworth
Gridley
Heyworth
Hudson
Kappa
Le Roy
Lexington
McLean
Normal
Saybrook
Shirley
Stanford
Twin Grove
Climate data from the nearest NOAA station, Normal 4Ne, Il (4.5 mi from Towanda). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.