The award-winning KestrelMet® 6400 WBGT Weather Station delivers complete weather safety for athletic programs and outdoor workforces. This solar-powered station provides real-time WBGT heat stress and local weather monitoring with a waterless WBGT sensor for easy, low-maintenance operation. Pair with the AWN Weather Safety Package to add lightning detection up to 60 miles, National Weather Service alerts (coming soon), and instant SMS notifications the moment your custom thresholds are crossed — email and app alerts are always free. Available in Wi-Fi (up to 1,000 ft line of sight) and LTE Cat 1 Cellular for remote sites and anywhere a network isn't available.
Cellular Available to Order from Kestrel Instruments and discounted 20% for a very limited time. Ships July 2026.
Currently, this item ships within 7-10 business days. Please be mindful of this when placing your order and contact us with any questions. Orders will be shipped in the order that they were received. Thank you for your patience!
Winner of the OH&S Industrial Hygiene Award for Heat & Cold Stress Equipment
The KestrelMet® 6400 WBGT Weather Station is an advanced heat stress monitoring solution designed for industrial sites, military training facilities, athletic programs, and other high-heat outdoor environments. Real-time WBGT (Wet Bulb Globe Temperature) tracking ensures safety and compliance by providing instant alerts for dangerous conditions.
The KestrelMet 6400 WBGT Weather Station is equipped with a full suite of sensors to measure critical environmental parameters:
Currently only available in Wi-Fi:
The Ambient Weather Network (AWN) is your online dashboard and command center for setting alerts, tracking conditions, and analyzing data.
With advanced connectivity and intelligent heat monitoring, the KestrelMet 6400 WBGT helps you proactively manage heat stress and ensure safety in any environment.

The KestrelMet 6400 WBGT delivers complete weather safety in a single, connected system. With the Ambient Weather Network (AWN) Weather Safety Package, you get real-time heat stress monitoring, a lightning detection system (LDS) up to a 60-mile radius, live National Weather Service alerts (coming soon), and instant SMS notifications for the custom thresholds you set — all under one subscription. Keep your team ahead of every storm, every shift, every season.
Is practice starting? Do you have an outdoor event? Activate LDS to monitor lightning for up to 4 hours. The AWN Lightning Watch monitors three detection zones simultaneously, giving your team the right warning at the right time:
A countdown timer shows exactly when conditions are clear — no more guessing when it's safe to resume.
$19.99/mo
$29.99/mo
$39.99/mo
Its pre-assembled, ready-to-install design allows for quick setup in under 20 minutes, while Wi-Fi and Cellular connectivity options ensure continuous, reliable data transmission in any location.
Industrial & Occupational Safety
From construction sites to oil rigs, the KestrelMet 6400 is a critical tool for ensuring compliance with heat stress regulations and protecting workers in high-temperature conditions. Its fast setup, waterless WBGT tracking, and customizable alerts make it a valuable asset for EHS officers, safety managers, and employers in industries including:
Military Training Safety
Designed to endure harsh conditions, the KestrelMet 6400 is an essential heat safety tool for military bases and training operations. With precise environmental data and customizable alerts, it helps commanders and safety officers:
Sports & Athletic Safety
For coaches, athletic trainers, and sports medicine professionals, the KestrelMet 6400 provides real-time WBGT measurements to prevent heat-related incidents and ensure peak athlete performance. Ideal for:
With advanced connectivity, free email alerts, and optional SMS alerts, the KestrelMet 6400 WBGT is the ultimate solution for proactively managing heat stress across industries.
*NK is not liable for delays, failures, or errors in message delivery.