An Extreme Heat Warning is currently in effect for portions of Montana, covering Hill County, Musselshell, Western Roosevelt, Northern Phillips, Central and Southeast Phillips, and Daniels. The warning, issued jointly by the National Weather Service offices in Great Falls, MT, Billings, MT, and Glasgow, MT, became active on Thursday, July 24, 2026, at 1:31 PM MDT and is set to expire on Saturday, July 26, 2026, at 9:00 PM MDT. Residents in the listed counties should treat this warning as active and ongoing until that expiration time.
What the National Weather Service Is Telling You to Do Right Now
The National Weather Service has issued direct, actionable guidance for anyone living in or traveling through the affected counties. The agency’s most urgent message concerns vehicles: do not leave young children or pets in unattended vehicles. Car interiors can reach lethal temperatures within a matter of minutes, even with windows cracked. This is not a minor inconvenience risk, it is a life-threatening danger, and the NWS has called it out explicitly in this alert.
For those who need to be outdoors, the NWS advises wearing lightweight and loose-fitting clothing to allow your body to regulate heat more effectively. Strenuous physical activity should be limited to the early morning or evening hours, when ambient temperatures are lower and the risk of heat-related illness is reduced. Midday and afternoon exposure during an Extreme Heat Warning carries significantly elevated risk.
The NWS also stresses the importance of recognizing and responding to the symptoms of heat exhaustion and heat stroke. Heat exhaustion can present as heavy sweating, weakness, cold or pale skin, a fast or weak pulse, nausea, and fainting. Heat stroke is a medical emergency, it may involve a high body temperature, hot and red skin, a rapid or strong pulse, and possible unconsciousness. If you observe these symptoms in yourself or someone nearby, take action immediately. Do not wait to see if they improve on their own.
Why This Warning Matters for Preparedness Planning
Extreme heat is consistently one of the deadliest weather hazards in the United States, and warnings at this level from the National Weather Service indicate conditions severe enough to pose a direct threat to human life without protective action. For households in rural Montana, where distances to emergency medical care can be significant, the margin for error during an event like this is narrow. USRiskRadar recommends keeping your emergency contacts current, knowing the location of your nearest cooling center or medical facility, and checking on neighbors, elderly family members, and anyone without reliable access to air conditioning. Preparation before symptoms appear is the most effective defense against heat-related illness.
This article is based on an active National Weather Service Extreme Heat Warning. Always refer to weather.gov or your local NWS office for the most current information, as alert details may be updated.
For the fundamentals that apply beyond this specific alert, see our Power Outage Preparedness guide.
Source: National Weather Service (NWS Great Falls MT, NWS Billings MT, NWS Glasgow MT), active alert data retrieved 2026-07-24 22:01 UTC via api.weather.gov.
