Weather
An Hour-by-Hour Look at the Rising Temps in Algonquin, LITH
The extreme heat will start Thursday with temps expected to climb Friday and Saturday.
ALGONQUIN, IL — It's going to be hot, hot, hot in Algonquin and Lake in the Hills in the coming days and across the Chicago area. Officials are reminding residents, as the heat starts to set in, to stay safe, hydrated and in the comfort of their air-conditioned homes, offices or elsewhere. The hottest conditions are expected Friday and Saturday across the region with the temps steadily expected to climb starting today (Thursday, July 18).
High temps will reach between 90 and 100 degrees in the Chicago area. A head advisory has been issued for McHenry County with the heat index expected to reach between 100 and 110 degrees.
We've provided a glimpse below of the hour-by-hour forecast of temps, heat index, relative humidity and precipitation in Algonquin for the coming days:
Find out what's happening in Algonquin-Lake In The Hillsfor free with the latest updates from Patch.
| Thursday, July 18 | Temperature | Heat Index | Relative Humidity | Precipitation Potential |
| 11 a.m. | 74 degrees | 84 percent | 73 percent | |
| 3 p.m. | 85 degrees | 91 degrees | 65 percent | 30 percent |
| 6 p.m. | 86 degrees | 96 degrees | 72 percent | 12 percent |
| 8 p.m. | 84 degrees | 94 degrees | 80 percent | 8 percent |
| Friday, July 19 | ||||
| 4 a.m. | 78 degrees | 78 degrees | 88 percent | 16 percent |
| 8 a.m. | 82 degrees | 88 degrees | 77 percent | 8 percent |
| 10 a.m. | 89 degrees | 100 degrees | 66 percent | 10 percent |
| 12 p.m. | 94 degrees | 109 degrees | 58 percent | 10 percent |
| 2 p.m. | 97 degrees | 113 degrees | 53 percent | 9 percent |
| 4 p.m. | 97 degrees | 111 degrees | 51 percent | 8 percent |
| 8 p.m. | 91 degrees | 102 degrees | 60 percent | 17 percent |
| Saturday, July 20 | ||||
| 12 a.m. | 82 degrees | 88 degrees | 77 percent | 17 percent |
| 4 a.m. | 79 degrees | 79 degrees | 82 percent | 23 percent |
| 8 a.m. | 82 degrees | 87 degrees | 74 percent | 13 percent |
| 12 p.m. | 94 degrees | 103 degrees | 51 percent | 13 percent |
| 4 p.m. | 92 degrees | 99 degrees | 34 percent | 41 percent |
| 8 p.m. | 83 degrees | 88 degrees | 67 percent | 40 percent |
Cooling Shelters
McHenry County Emergency Management is working to keep an updated list of cooling centers up on its website for those wanting to get some reprieve from the heat.
More on Patch
Find out what's happening in Algonquin-Lake In The Hillsfor free with the latest updates from Patch.
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