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Good afternoon! We continue to work through hundreds of damage points from last week's severe weather. This thread will cover the latest information specific to the 7/15 (Monday) derecho. A summary map of all confirmed tornadoes from 7/15 is below. (1/10)

We've had a nice reprieve from the summer heat, but not for much longer. NWS Climate Prediction Center outlooks are showing higher chances of excessive heat in the first week of August for the entire state. Never too many reminders of the importance of heat safety: redcross.org/content/dam/re….

Above average temperatures are expected. Heat indices of 95 to 100 look likely. Heat indices could be above 100 next week.

Afternoon heat index readings Tuesday through Thursday will reach 105 to 110 degrees, with some areas possibly even reaching near 115 degrees. Thunderstorms may provide some relief, but there is considerable uncertainty on timing and location.

830 update: portions of west central IL upgraded to enhanced risk. There is considerable uncertainty with how strong to severe storms will evolve over the region today, but if they do occur, there is potential for wind gusts to exceed 70-75 mph as far east as about I-57. #ILwx

Prepare for another round of heat this afternoon, most notably south of I-72 ahead of an advancing cold front. The combination of heat and humidity will result in heat indices in the 100-105 F range. Take precautions if you need to be outside. #ILwx

Drought is gradually spreading in the Mississippi Valley, particularly the Ohio and Lower Miss sub-basins. Not great news since the Ohio basin is the main contributor to the mainstem Miss River. The big river is generally falling currently.

Dangerous heat and humidity slowly expand west-east across central and southeast Illinois today into tomorrow. Heat indices are forecast to peak for much of the area tomorrow, with values of 105 to 115 common during the afternoon. #ILwx

A heat wave continues to build today and peak on Tuesday with gradual easing on Wednesday. Consider altering your outdoor plans including school sports practices. This is the hottest air that we’ve experienced so far this summer. #ILwx #INwx

Assuming the temperature doesn't get any lower before 1 AM tonight (midnight CST), and it isn't expected to, this morning's 79°F low temperature in #Chicago will break the record warm low for Aug 26th. The previous record was 77°F set back in 1973. #ilwx

As temperatures soar into the 90s, trees and garden plants need extra care. Make sure they have enough water and check the soil moisture regularly to keep them thriving. The Arboretum's Plant Clinic has tips about how to water trees and shrubs and keep plants healthy amid the

The hottest day of the heat wave is expected today with heat indices climbing to 105 to 110 degrees. An Excessive Heat Warning is in effect for all of northern IL, while a heat advisory is in effect for for much of northwestern Indiana. #ILwx #INwx

Unfortunately, we're back to talking #Drought in Illinois. Concerns include field and grass fire risk, low levels on major rivers, and damage to pasture and late-planted crops. #francine may provide some relief to southern Illinois this week. #ilwx go.illinois.edu/IllinoisDrought

The calendar says September, the temperatures say mid-July. #ilwx

HISTORIC LATE SEASON WARMTH: Today marked the 11th consecutive day with 80°+ temperatures, the longest string of 80s this late in the season on record since observations began in 1871! Old record: 10 days in 1952! #ilwx #inwx ☀️😎🔥

Our first fall freeze here in central Illinois is right on "schedule" based on the latest climate normals. Sub-freezing temps this morning were 1-2 weeks ahead of normal in places like Cahokia Heights and Carbondale. stateclimatologist.web.illinois.edu/data/frost-dat… #ilwx

HEADS UP! There is a fire noted near Ogden, IL showing up on satellite late this afternoon. If you are driving in that area, including on I-74, be alert that there may be smoke around! #ILwx