Alexander, IL Weather & Growing Conditions
Today
87°F
Mostly Sunny
Mostly sunny, with a high near 87. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny | 7 mph S | 0% |
| Tonight | 68°F | Partly Cloudy | 7 mph SSE | 1% |
| Wednesday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 7 mph S | 25% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 6 mph SSE | 79% |
| Thursday | 83°F | Showers And Thunderstorms | 6 mph SSW | 79% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 mph SSE | 17% |
| Friday | 85°F | Partly Sunny | 3 mph SSW | 7% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 3 mph SSW | 25% |
| Saturday | 88°F | Chance Showers And Thunderstorms then Mostly Sunny | 6 mph SSW | 25% |
| Saturday Night | 71°F | Mostly Clear | 5 to 9 mph S | 9% |
| Sunday | 90°F | Sunny | 9 to 13 mph SSW | 4% |
| Sunday Night | 72°F | Mostly Clear | 12 mph S | 11% |
| Monday | 90°F | Mostly Sunny | 10 mph SSW | 11% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 9 mph SSW | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alexander, IL
Last spring frost
Apr 19
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
6a
Explore more for Alexander, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Jacksonville 2E, Il (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.