Lewisville, ID Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Lewisville.

Use the Radar Maps link provided to understand the trajectory of a storm.

Lake Wind Advisory issued May 20 at 1:52PM MDT until May 20 at 8:00PM MDT by NWS Pocatello ID

* WHAT...For the Lake Wind Advisory, west winds 20 to 25 mph with gusts up to 40 mph. For the Frost Advisory, temperatures as low as 27 will result in frost formation. * WHERE...For the Lake Wind Advisory, the American Falls Reservoir. For the Frost Advisory, the entire Snake River plain and including the Mud Lake-Terreton region and the Craters of the Moon National Monument. Also included is the eastern Magic Valley and the Shoshone-Lava Beds. * WHEN...For the Lake Wind Advisory, until 8 PM MDT this evening. For the Frost Advisory, from midnight tonight to 10 AM MDT Wednesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Frost Advisory issued May 20 at 1:52PM MDT until May 21 at 10:00AM MDT by NWS Pocatello ID

* WHAT...For the Lake Wind Advisory, west winds 20 to 25 mph with gusts up to 40 mph. For the Frost Advisory, temperatures as low as 27 will result in frost formation. * WHERE...For the Lake Wind Advisory, the American Falls Reservoir. For the Frost Advisory, the entire Snake River plain and including the Mud Lake-Terreton region and the Craters of the Moon National Monument. Also included is the eastern Magic Valley and the Shoshone-Lava Beds. * WHEN...For the Lake Wind Advisory, until 8 PM MDT this evening. For the Frost Advisory, from midnight tonight to 10 AM MDT Wednesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Frost Advisory issued May 20 at 1:52PM MDT until May 21 at 10:00AM MDT by NWS Pocatello ID

* WHAT...Temperatures as low as 27 will result in frost formation. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, and Upper Snake River Plain. * WHEN...From midnight tonight to 10 AM MDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.