Illinois
frost date references.
Explore the historical NOAA stations behind the dates. See which references support a seasonal model, and where that model would be misleading.
Find your local climate reference
Choose a state, then search its cities, towns and Census-designated places.
Choose a state to search the national Census place inventory.
Census places are not ZIP codes. A nearby station is a reference, not a garden-level measurement. Distance and data limitations are shown before any calculation.
Illinois weather stations
10 references do not support an ordinary annual freeze calendar.
Albion
Seasonal referenceConditional spring median Apr 4
Explore probability datesAledo
Seasonal referenceConditional spring median Apr 22
Explore probability datesAlton - Melvin Price L&D
Seasonal referenceConditional spring median Apr 4
Explore probability datesAltona
Seasonal referenceConditional spring median Apr 28
Explore probability datesAnna 2 Nne
Seasonal referenceConditional spring median Apr 8
Explore probability datesAntioch
Seasonal referenceConditional spring median Apr 23
Explore probability datesAthens 4sw
Seasonal referenceConditional spring median Apr 19
Explore probability datesAurora
Seasonal referenceConditional spring median Apr 19
Explore probability datesAvon
Read the source statusLimited-quality reference
Explore probability datesBarrington 3sw
Seasonal referenceConditional spring median Apr 25
Explore probability datesBelleville Siu Rsch
Seasonal referenceConditional spring median Apr 12
Explore probability datesBentley
Seasonal referenceConditional spring median Apr 13
Explore probability datesChoose crops with
regional guidance.
A freeze date does not establish crop suitability. Our vegetable guides keep maturity, soil-temperature and planting-calendar sources tied to their actual regions.