Alexander, IL Weather & Growing Conditions
Tonight
52°F
Light Rain then Chance Rain Showers
Rain and a slight chance of thunderstorms before midnight, then a chance of rain showers between midnight and 4am. Cloudy, with a low around 52. South southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Light Rain then Chance Rain Showers | 13 to 18 mph SSW | 85% |
| Wednesday | 59°F | Mostly Cloudy | 13 to 16 mph WSW | 10% |
| Wednesday Night | 42°F | Mostly Cloudy | 10 mph WSW | 1% |
| Thursday | 61°F | Mostly Sunny | 9 to 13 mph WSW | 5% |
| Thursday Night | 41°F | Mostly Cloudy then Slight Chance Light Rain | 7 mph NW | 22% |
| Friday | 56°F | Mostly Cloudy | 7 to 10 mph NNW | 12% |
| Friday Night | 35°F | Mostly Cloudy | 1 to 8 mph NNW | 2% |
| Saturday | 54°F | Mostly Sunny | 3 mph NW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph W | 1% |
| Sunday | 60°F | Sunny | 2 to 8 mph W | 7% |
| Sunday Night | 34°F | Mostly Clear | 6 mph W | 4% |
| Monday | 64°F | Sunny | 3 to 10 mph SW | 2% |
| Monday Night | 39°F | Mostly Clear | 7 mph WSW | 1% |
| Tuesday | 66°F | Sunny | 6 mph WNW | 1% |
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 Nov 4, 2026.