272
WWUS75 KMSO 211949
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1249 PM PDT Mon Apr 21 2025

IDZ007-221500-
/O.NEW.KMSO.FR.Y.0001.250422T0700Z-250422T1500Z/
Orofino/Grangeville Region-
1249 PM PDT Mon Apr 21 2025

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PDT
TUESDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Orofino/Grangeville Region.

* WHEN...From midnight tonight to 8 AM PDT Tuesday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS...The threat for frost will extend into Tuesday
  night through Wednesday morning, with similar temperatures in the
  forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$