Dongola, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dongola, a village in Union County, Illinois.
Tonight
56°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 3am. Mostly cloudy. Low around 56, with temperatures rising to around 59 overnight. South wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
7-day forecast for Dongola
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 7 to 15 mph S | 98% |
| Wednesday | 68°F | Partly Sunny | 5 to 9 mph WSW | 7% |
| Wednesday Night | 43°F | Mostly Clear | 3 mph WSW | 0% |
| Thursday | 68°F | Sunny | 1 to 8 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 0 to 3 mph WNW | 4% |
| Friday | 62°F | Partly Sunny | 3 to 9 mph NNW | 1% |
| Friday Night | 40°F | Partly Cloudy | 2 to 6 mph NNW | 1% |
| Saturday | 58°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 36°F | Partly Cloudy | 1 mph NNW | 1% |
| Sunday | 62°F | Sunny | 0 to 6 mph WNW | 5% |
| Sunday Night | 35°F | Mostly Clear | 2 mph NW | 5% |
| Monday | 65°F | Sunny | 1 to 7 mph W | 1% |
| Monday Night | 38°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 69°F | Sunny | 1 to 5 mph SW | 0% |
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 Nov 4, 2026.