Weather Alerts Map

Clark County weather alerts

There are no active weather alerts for Clark County, ID right now.

Since 2016 the National Weather Service has issued about 67 alerts that included Clark County, roughly 7 a year. The most common is the severe thunderstorm warning (51 from 2016 to 2025). The last tornado warning was issued on June 12, 2017. 8 tornadoes have touched down in the county since 1950.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

No warnings, watches or advisories include Clark County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Beaverhead County, Jefferson County, Lemhi County, Fremont County.

Map data: NWS, OpenFreeMap, OpenStreetMap

Clark County alert history

Alert events that included Clark County or its forecast zones, from the NWS warning archive.

Alert type2016–20252026Last issued
Severe Thunderstorm Warning516September 17, 2026
Severe Thunderstorm Watch41May 13, 2026
Tornado Warning30June 12, 2017
Flood Warning30April 9, 2018
Flash Flood Warning30June 14, 2023
Flood Advisory20August 2, 2021
Snow Squall Warning10December 30, 2018

Tornado history in Clark County

8 tornadoes have been recorded in Clark County since 1950. That ranks 7 of 44 counties in Idaho. The most recent was on September 17, 2013 (rated EF0).

EF0: 7EF07EF1: 1EF11EF2: 0EF2EF3: 0EF3EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes in Clark County

DateRatingCountyPath lengthWidthDeathsInjuries
March 25, 1991F1Clark County1 mi70 yd00
May 9, 2005F0Clark County0.5 mi30 yd00
September 17, 2013EF0Clark County0.5 mi10 yd00
June 30, 1997F0Clark County0.2 mi23 yd00
June 21, 1964F0Clark County0.1 mi10 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
September 17, 2013EF0Clark County0.5 mi10 yd00
May 9, 2005F0Clark County0.5 mi30 yd00
June 30, 1997F0Clark County0.2 mi23 yd00
June 5, 1995F0Clark County0.1 mi10 yd00
June 15, 1993F0Clark County0.1 mi10 yd00

Idaho tornado history and map →

About Clark County

Neighboring counties