866
WWUS73 KDTX 290720
NPWDTX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
320 AM EDT MON JUN 29 2026
MIZ047>049-053>055-060>063-068>070-075-076-082-083-292015-
/O.CON.KDTX.XH.A.0001.260630T1600Z-260703T0000Z/
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-
LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-
LENAWEE-MONROE-
INCLUDING THE CITIES OF ANN ARBOR, SAGINAW, BAD AXE, OWOSSO,
FLINT, ADRIAN, LAPEER, PONTIAC, DETROIT, MIDLAND, BAY CITY,
SANDUSKY, CARO, HOWELL, PORT HURON, MONROE, AND WARREN
320 AM EDT MON JUN 29 2026
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH THURSDAY EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES EXCEEDING
105 DEGREES.
* WHERE...A PORTION OF SOUTHEAST MICHIGAN.
* WHEN...FROM TUESDAY AFTERNOON THROUGH THURSDAY EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...EXTENDED PERIOD OF HOT AND HUMID CONDITIONS
EXPECTED TUESDAY THROUGH AT LEAST THURSDAY. HIGH TEMPERATURES
REACHING THE MID 90S TO NEAR 100 DEGREES. THIS WILL LEAD TO HEAT
INDEX VALUES OF 105 DEGREES OR GREATER EACH DAY. LITTLE RELIEF
OVERNIGHT WITH LOW TEMPERATURES EACH NIGHT IN THE LOW TO MID 70S.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
CHECK WITH LOCAL EMERGENCY MANAGEMENT OFFICIALS FOR INFORMATION ON
COOLING CENTER AVAILABILITY.
MR
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