Lincoln County, MT

Alerts

County Line
No alerts for Lincoln County, MT, for the next 5 days

Briefings

No recent briefing available

From the Forecaster

Valley Frost Tuesday Morning

Created by the NWS Missoula WFO

Chilly morning temperatures will arrive across the region on Tuesday, September 15. Low temperatures are expected to drop into the low to mid-30s, bringing scattered to widespread frost. Areas most at risk include western Montana (primarily south of I-90) and higher-elevation valleys of north-central Idaho, with more widespread frost likely in sheltered locations and along the Continental Divide. Consider covering or bringing sensitive vegetation indoors Monday night.

Weather graphic titled "Valley Frost" from NWS Missoula for Tuesday Morning, Sep 15, 2026. Low temperatures are projected to drop into the low to mid 30s across Western MT (mainly I-90 southward) and higher elevation valleys of North-central ID. Scattered frost will become widespread across higher valleys and protected areas along the Divide. Bullet points advise taking action to protect sensitive vegetation. Close-up photo shows frosted green leaves on the left.
Missoula Area Forecast Discussion

Seven-day Weather Risk Overview

The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
risk level
out of 10
out of 10
out of 10
out of 10
table legend
No risk
Low risk
High risk
See the detailed risk analysis

Weather Forecasting Office

Missoula Forecast Office

Find a Forecast

|
recent locations
search results

Saved locations