Weather Alerts For Elk River, ID

# HEADLINE -------------------- FROST ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM PDT TUESDAY ABOVE 3000 FEET # DETAILS -------------------- WHAT Temperatures as low as 28 will result in frost formation above 3000 feet. Colder temperatures are expected in the higher valleys. WHERE Southern Clearwater Mountains and Northern Clearwater Mountains. WHEN From 11 PM this evening to 8 AM PDT Tuesday. IMPACTS Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. ADDITIONAL DETAILS Temperature ranges: 30 to 33 Pierce to Grangemont area, and 33 to 36 in Elk River. In Idaho County, 28 to 33 in Powell, 26 to 29 Elk City, and 19 to 25 in both Dixie and Elk River where a hard freeze is expected. ISSUED AT Monday, May 18, 2026 at 12:00 PM MDT ISSUED BY National Weather Service Missoula MT HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Northern Clearwater Mountains, Southern Clearwater Mountains

Closest strike: 26.81 miles Monitor Storms You are not at immediate risk, but frequently check WeatherBug to see if storms are moving towards you. Be aware that new storms can also form with little notice.

Pollen Index: 8.6 Pollen Level: medium-high Predominant Pollen: Birch, Mulberry and Elm. The quantity of pollen grains in the air for Tuesday will remain relatively stable in the high range. No change doesn't mean no pollen, it just means that pollen producing plants are delivering pollen at a steady pace.