As Heat Dome Broils the Pacific Northwest, These 25 Cities Will Face the Most Extreme Heat

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This week, a powerful heat dome is parked over the Pacific Northwest, pushing temperatures to abnormal and – in some cases – record highs in dozens of cities. Temperatures are forecast to rise to more than 25 degrees above seasonal norms, triggering health warnings from local officials and putting vulnerable populations at extreme risk.

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The National Weather Service has issued heat warnings for 18 counties, representing more than six million Americans. There are 13 counties where temperatures are expected to reach over 100°F, setting temperature records for dozens of cities from Nevada to Washington. A closer look at the data reveals the cities where residents will experience the most extreme heat this week.

To determine the cities where it will be abnormally warm this week, Climate Crisis 247 reviewed 72-hour temperature forecasts and historical station-level daily temperature readings from the NOAA. Cities were ranked based on the difference between the forecast maximum temperature for June 11-13, 2025, and the average observed minimum temperature for June 11-13 from 2006 to 2020. Gridded forecast data are from the National Digital Forecast Database, while historical temperature normals are from the Global Historical Climatology Network daily program of the National Centers for Environmental Information. Weather stations were matched to places using nearest neighbor analysis and were limited to cities within 50 miles of the city centroid. Only cities with at least 25,000 residents were considered.

25. Redlands, CA

• Forecast maximum, June 11-13: 93.1°F (+16.7°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 76.4°F
• Total population: 73,234

 

24. Moscow, ID

• Forecast maximum, June 11-13: 87.7°F (+16.8°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 70.9°F
• Total population: 25,616

 

23. St. George, UT

• Forecast maximum, June 11-13: 103.1°F (+17.1°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 86.0°F
• Total population: 96,174

 

22. Highland, CA

• Forecast maximum, June 11-13: 93.7°F (+17.3°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 76.4°F
• Total population: 56,789

 

21. Pullman, WA

• Forecast maximum, June 11-13: 88.3°F (+17.4°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 70.9°F
• Total population: 31,972

 

20. Bend, OR

• Forecast maximum, June 11-13: 90.4°F (+17.4°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 73.0°F
• Total population: 99,442

 

19. Coeur d'Alene, ID

• Forecast maximum, June 11-13: 90.5°F (+17.9°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 72.6°F
• Total population: 54,599

 

18. Spokane Valley, WA

• Forecast maximum, June 11-13: 93.0°F (+18.0°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 75.0°F
• Total population: 103,761

 

17. Walla Walla, WA

• Forecast maximum, June 11-13: 97.7°F (+18.3°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 79.4°F
• Total population: 33,842

 

16. Yakima, WA

• Forecast maximum, June 11-13: 98.2°F (+18.3°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 79.9°F
• Total population: 96,764

 

15. Pasco, WA

• Forecast maximum, June 11-13: 99.7°F (+18.4°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 81.3°F
• Total population: 77,274

 

14. Spokane, WA

• Forecast maximum, June 11-13: 93.4°F (+18.4°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 75.0°F
• Total population: 227,922

 

13. Kennewick, WA

• Forecast maximum, June 11-13: 99.8°F (+18.5°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 81.3°F
• Total population: 83,823

 

12. Missoula, MT

• Forecast maximum, June 11-13: 92.1°F (+18.7°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 73.4°F
• Total population: 74,627

 

11. Carson City, NV

• Forecast maximum, June 11-13: 85.5°F (+18.8°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 66.7°F
• Total population: 58,249

 

10. Richland, WA

• Forecast maximum, June 11-13: 100.6°F (+19.3°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 81.3°F
• Total population: 60,867

 

9. Moses Lake, WA

• Forecast maximum, June 11-13: 98.8°F (+19.5°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 79.3°F
• Total population: 25,155

 

8. Medford, OR

• Forecast maximum, June 11-13: 97.4°F (+19.5°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 77.9°F
• Total population: 85,539

 

7. Wenatchee, WA

• Forecast maximum, June 11-13: 98.0°F (+19.7°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 78.3°F
• Total population: 35,365

 

6. Kalispell, MT

• Forecast maximum, June 11-13: 89.9°F (+19.8°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 70.1°F
• Total population: 25,473

 

5. Alamogordo, NM

• Forecast maximum, June 11-13: 96.7°F (+20.1°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 76.6°F
• Total population: 30,996

 

4. Lewiston, ID

• Forecast maximum, June 11-13: 98.6°F (+20.4°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 78.2°F
• Total population: 34,270

 

3. Redmond, OR

• Forecast maximum, June 11-13: 92.8°F (+21.5°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 71.3°F
• Total population: 34,191

 

2. Grants Pass, OR

• Forecast maximum, June 11-13: 95.8°F (+28.4°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 67.4°F
• Total population: 39,131

 

1. Pahrump, NV

• Forecast maximum, June 11-13: 103.6°F (+28.7°F above climate normal)
• Normal June 11-13 maximum, 2006-2020: 74.9°F
• Total population: 44,711

 

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