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Extreme Heat Warning
ActiveIowa; Johnson; Cedar; Muscatine; Scott
Status
In Progress
Started about 2 hours ago
Ends
Issued
Severity
Severe
Urgency
Expected
Certainty
Likely
Details
* WHAT...Dangerously hot and humid conditions with multiple days of heat index values of 100 to 110 expected, along with nighttime lows not falling below the mid 70s.
* WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri.
* WHEN...Until 9 PM CDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...There is increasing likelihood that extreme heat will persist through midweek and may last into late week. Thunderstorms and associated clouds may interrupt the heat at times late in the week.
Data from the National Weather Service
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