- Excessive Heat Warning for Calhoun County, Illinois
- Excessive Heat Warning issued July 01 at 3:55PM CDT until July 01 at 7:00PM CDT by NWS
- Effective: Sunday, July 1, 2018 at 3:55 p.m.
- Expires: Sunday, July 1, 2018 at 7 p.m.
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
* TIMING...Heat index values between 105 and 110 are likely during
the afternoon and early evening hours.
* HEAT INDEX VALUES...Up to between 105 and 110 are expected due
to temperatures in the lower 90s, and dewpoints in the mid 70s.
* IMPACTS...The likely combination of hot temperatures and high
humidity will lead to an increased risk of heat-related stress
and illness. The very young, the elderly, those without air
conditioning, and those participating in strenuous outdoor
activities will be the most susceptible. Also, car interiors
can reach lethal temperatures in a matter of minutes.