Alonzo, Illinois

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

• 1938 USGS Milford quadrangle1:48000
• 1944 USGS Milford quadrangle1:62500, 2 printings
• 1953 USGS Danville quadrangle1:250000, 3 printings
• 1955 USGS Danville quadrangle1:250000
• 1956 USGS Danville quadrangle1:250000
• 1964 USGS Wellington quadrangle1:24000, 2 printings
• 1984 USGS Watseka quadrangle1:100000
• 1990 USGS Watseka quadrangle1:100000

Regional context, not property-specific evidence. The National Weather Service names Alonzo in 2 storm reports between 2023 and 2025: 2 thunderstorm wind. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

Every storm recorded in Iroquois County

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

This settlement is recorded in the Geographic Names Information System as feature 422403. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.