1:27 PM
— July 3rd, 4:00 AM
* WHAT...Dangerously hot conditions with heat index values up to 105
to 110.
* WHERE...Portions of central, east central, southeast, and west
central Illinois.
* WHEN...Until 7 PM CDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
11:50 AM
— July 3rd, 3:00 AM
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 105. For the Heat Advisory, heat index
values up to 102 expected.
* WHERE...Portions of south central, southwest, and west central
Illinois and central, east central, northeast, and southeast
Missouri.
* WHEN...For the Extreme Heat Warning, until 10 PM CDT Friday. For
the Heat Advisory, from 10 PM Friday to 8 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.
11:50 AM
— July 3rd, 3:00 AM
* WHAT...Dangerously hot conditions with heat index values up to 108.
* WHERE...Portions of south central and southwest Illinois and
central, east central, and southeast Missouri.
* WHEN...Until 8 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
10:22 AM
— July 3rd, 2:30 AM
...The Flood Warning is extended for the following rivers in
Illinois...
Little Wabash River below Clay City affecting Clay and Richland
Counties.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Little Wabash River below Clay City.
* WHEN...Until early Saturday afternoon.
* IMPACTS...At 19.7 feet, Mayflower Road...just north of U.S. Route
50...begins to flood.
* ADDITIONAL DETAILS...
- At 9:45 AM CDT Thursday the stage was 20.4 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:45 AM CDT Thursday was 20.8 feet.
- Forecast...The river is expected to fall below flood stage
Saturday morning and continue falling to 10.3 feet Tuesday
morning.
- Flood stage is 18.0 feet.
- http://www.weather.gov/safety/flood
10:16 AM
— July 3rd, 7:15 AM
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with peak afternoon heat index values up to around 110 degrees can
be expected. For the Heat Advisory on Independence Day, peak
afternoon heat index values up to around 105 degrees are
anticipated.
* WHERE...All of southern Illinois, southwest Indiana, western
Kentucky, and southeast Missouri.
* WHEN...For the Extreme Heat Warning, until 8 PM CDT /9 PM EDT/
Friday. For the Heat Advisory, from 8 PM CDT /9 PM EDT/ Friday to
8 PM CDT /9 PM EDT/ Saturday.
* IMPACTS...Heat related illnesses increase significantly during
prolonged duration extreme heat and high humidity events. Hot
temperatures and high humidity may cause heat illnesses.
* ADDITIONAL DETAILS...Overnight lows will only fall into the mid
70s, providing little relief during this prolonged, extended
duration of dangerously high heat and humidity.
11:50 AM
— July 3rd, 3:00 AM
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 105. For the Heat Advisory, heat index
values up to 102 expected.
* WHERE...Portions of south central, southwest, and west central
Illinois and central, east central, northeast, and southeast
Missouri.
* WHEN...For the Extreme Heat Warning, until 10 PM CDT Friday. For
the Heat Advisory, from 10 PM Friday to 8 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.
10:16 AM
— July 3rd, 7:15 AM
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with peak afternoon heat index values up to around 110 degrees can
be expected. For the Heat Advisory on Independence Day, peak
afternoon heat index values up to around 105 degrees are
anticipated.
* WHERE...All of southern Illinois, southwest Indiana, western
Kentucky, and southeast Missouri.
* WHEN...For the Extreme Heat Warning, until 8 PM CDT /9 PM EDT/
Friday. For the Heat Advisory, from 8 PM CDT /9 PM EDT/ Friday to
8 PM CDT /9 PM EDT/ Saturday.
* IMPACTS...Heat related illnesses increase significantly during
prolonged duration extreme heat and high humidity events. Hot
temperatures and high humidity may cause heat illnesses.
* ADDITIONAL DETAILS...Overnight lows will only fall into the mid
70s, providing little relief during this prolonged, extended
duration of dangerously high heat and humidity.