Dongola, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dongola, a village in Union County, Illinois.
Overnight
71°F
Clear
Clear, with a low around 71. Northwest wind around 1 mph.
7-day forecast for Dongola
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Clear | 1 mph NW | 1% |
| Saturday | 99°F | Sunny | 1 to 7 mph SW | 1% |
| Saturday Night | 72°F | Mostly Clear | 3 mph SSW | 0% |
| Sunday | 97°F | Mostly Sunny | 2 to 6 mph SW | 0% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph N | 18% |
| Monday | 88°F | Chance Showers And Thunderstorms | 3 to 8 mph N | 52% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 5 to 9 mph NNE | 52% |
| Tuesday | 78°F | Chance Showers And Thunderstorms | 6 to 12 mph N | 29% |
| Tuesday Night | 57°F | Partly Cloudy | 5 to 13 mph N | 10% |
| Wednesday | 77°F | Mostly Sunny | 6 to 9 mph N | 1% |
| Wednesday Night | 56°F | Partly Cloudy | 2 to 9 mph N | 1% |
| Thursday | 78°F | Mostly Sunny | 3 to 8 mph NNE | 3% |
| Thursday Night | 58°F | Partly Cloudy | 2 to 7 mph NNE | 3% |
| Friday | 79°F | Mostly Sunny | 3 to 9 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Dongola (37.357, -89.165). Updated through the day.
Growing snapshot for Dongola
Last spring frost
Apr 8
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
7a
More local growing data for Dongola: nearby ZIP 62926 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Anna 2 Nne, Il (9.7 mi from Dongola). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.