Henry is drier than most of Illinois
Henry has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 16°, and about 18 inches of snow falls in a normal winter. Normal November highs come to 50°, and lows to 31°.
Getting the latest forecast from the National Weather Service…
What stands out about Henry’s weather
Read from 30 years of NOAA records. Each one opens the full story on the Climate page.
Where today sits in Henry’s year
Typical highs and lows month by month, from 30 years of NOAA records.
Weather talk
Road reports, first frosts and storm memories from neighbors in Henry.
Your answer becomes a post in Town Square.
Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Henry itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Varna, IL (9 mi, snow) and Hennepin Wtr Trmt Plt, IL (10 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.