Archived Clear Sky Chart Images
for Hawkeye Observatory, (IL)

A Sponsored Feature

Each day lists the local time, hh:mm in 24h time, that is the starting hour of a past clear sky chart. Each clear sky chart forecasts a few days into the future. There are at least two clear sky chart updates per day. So there are multiple overlapping forecasts for each day.

January
Mon	Tue	Wed	Thu	Fri	Sat	Sun
			14 11:00 23:00	15 11:00 23:00 +2 charts from previous days	16 11:00 23:00 +4 charts from previous days	17 11:00 23:00 +6 charts from previous days
18 11:00 +7 charts from previous days	19 00:00 11:00 23:00 +6 charts from previous days	20 11:00 23:00 +7 charts from previous days	21 11:00 23:00 +7 charts from previous days	22 11:00 23:00 +7 charts from previous days	23 11:00 23:00 +7 charts from previous days	24 11:00 23:00 +7 charts from previous days
25 11:00 23:00 +7 charts from previous days	26 11:00 23:00 +7 charts from previous days	27 11:00 +7 charts from previous days

Instead of the last few past clear sky chart images, some people prefer long-term averages of forecasts. See the Forecast History/Climate page.