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Heat Dome Threatens Two-Thirds U.S., Record 110°F Temperatures

7/10/2026

50 4 Full Breakdown

Summary

Story summary

A heat dome is projected to cover two-thirds of the contiguous United States, raising temperatures 15 to 25 °F above normal.
Billings, Montana could hit 109 °F, beating its 2002 record, while Salt Lake City may reach 106 °F, near its high of 107 °F.
High Plains locations from Utah through the Dakotas may exceed 110 °F with nighttime lows above 70 °F, worsening drought, raising wildfire risk, and spawning dry thunderstorms that could ignite fires.

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Story summary

A heat dome is projected to cover two-thirds of the contiguous United States, raising temperatures 15 to 25 °F above normal.
Billings, Montana could hit 109 °F, beating its 2002 record, while Salt Lake City may reach 106 °F, near its high of 107 °F.
High Plains locations from Utah through the Dakotas may exceed 110 °F with nighttime lows above 70 °F, worsening drought, raising wildfire risk, and spawning dry thunderstorms that could ignite fires.