WWUS75 KMSO 091832
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1232 PM MDT Thu Jul 9 2026

IDZ008-101845-
/O.CON.KMSO.HT.Y.0001.260710T1800Z-260713T0300Z/
Lower Hells Canyon/Salmon River Region-
1132 AM PDT Thu Jul 9 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 8 PM PDT
SUNDAY BELOW 3000 FEET...

* WHAT...Moderate risk of heat effects expected below 3000 feet.
  Temperatures up to 107 degrees expected.

* WHERE...Valleys of Eastern Lemhi County and Western Lemhi County.

* WHEN...From 11 AM Friday to 8 PM PDT Sunday.

* IMPACTS...This level of heat affects most individuals sensitive to
  heat, especially those without effective cooling and/or adequate
  hydration. Impacts possible in some health systems and in
  heat-sensitive industries.

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.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

IDZ006-101845-
/O.CON.KMSO.HT.Y.0001.260711T1800Z-260713T0300Z/
Southern Clearwater Mountains-
1132 AM PDT Thu Jul 9 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM SATURDAY TO 8 PM PDT
SUNDAY BELOW 3000 FEET...

* WHAT...Moderate risk of heat effects expected below 3000 feet.
  Temperatures ranging from 99 to 105 degrees expected.

* WHERE...Salmon River Valley, Lowell, Fenn and Moose Creek.

* WHEN...From 11 AM Saturday to 8 PM PDT Sunday.

* IMPACTS...This level of heat affects most individuals sensitive to
  heat, especially those without effective cooling and/or adequate
  hydration. Impacts possible in some health systems and in
  heat-sensitive industries.

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.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

IDZ009-010-101845-
/O.CON.KMSO.HT.Y.0001.260711T1800Z-260713T0300Z/
Western Lemhi County-Eastern Lemhi County-
1232 PM MDT Thu Jul 9 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
SUNDAY BELOW 5000 FEET...

* WHAT...Moderate risk of heat effects expected below 5000 feet.
  Temperatures between 97 and 106 degrees expected.

* WHERE...Valleys of Eastern Lemhi County and Western Lemhi County.

* WHEN...From noon Saturday to 9 PM MDT Sunday.

* IMPACTS...This level of heat affects most individuals sensitive to
  heat, especially those without effective cooling and/or adequate
  hydration. Impacts possible in some health systems and in
  heat-sensitive industries.

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.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$