Dongola, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dongola, a village in Union County, Illinois.
Today
88°F
Patchy Fog then Sunny
Patchy fog before 8am. Sunny. High near 88, with temperatures falling to around 86 in the afternoon. East northeast wind around 2 mph.
7-day forecast for Dongola
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Patchy Fog then Sunny | 2 mph ENE | 0% |
| Tonight | 65°F | Mostly Clear | 2 mph ENE | 0% |
| Wednesday | 90°F | Sunny | 2 mph S | 0% |
| Wednesday Night | 69°F | Mostly Clear | 2 mph S | 1% |
| Thursday | 90°F | Slight Chance Rain Showers | 1 to 7 mph SSW | 18% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph S | 57% |
| Friday | 89°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph SSW | 57% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 0 to 3 mph SSW | 43% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 34% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph S | 21% |
| Sunday | 91°F | Mostly Sunny | 2 to 7 mph SSW | 10% |
| Sunday Night | 72°F | Mostly Clear | 2 to 6 mph SSW | 6% |
| Monday | 93°F | Sunny | 3 to 8 mph SSW | 5% |
| Monday Night | 73°F | Mostly Clear | 3 to 7 mph SSW | 4% |
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 Aug 4, 2026.