ENVIRONMENT

High pressure brings heat; Red Flag warnings issued

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SALT LAKE CITY — ABC4 meteorologists forecast gusty winds and a chilly Thursday morning across northern Utah on Wednesday, with daytime highs returning to the upper 70s along the Wasatch Front and mid-30s in the Wasatch Back overnight; high pressure will build over southwestern Utah, pushing temperatures near 100°F in the afternoon. Authorities and forecasters issued a Red Flag Warning for portions of the Eastern Uinta Basin and Book Cliffs until 9pm Friday, citing low humidities and gusts up to 35 mph; winds are expected to ease toward the weekend but a Canadian trough this weekend could return breezy, dry northwest flow and elevate fire risk in parts of southern Utah.

Prepared by Olivia Bennett and reviewed by editorial team.

Timeline of Events

Wednesday: Gusty winds; highs in the upper 70s across northern Utah.
Thursday morning: Coolest air arrives; 30s in Wasatch Back, 40s on Wasatch Front.
Thursday–Friday: High pressure strengthens; SW Utah approaches triple-digit heat.
Friday evening: Red Flag Warning active for Eastern Uinta Basin and Book Cliffs through 9pm.
This weekend: Canadian trough expected to bring breezy northwesterly flow and renewed fire concerns.

Why This Matters to You

This weather shift could affect your safety and daily routine. High temperatures and gusty winds increase fire risk, especially in southern Utah. If you're in the Red Flag Warning areas, be extra cautious. Check local news for updates.

The Bottom Line

Utah's weather is taking a hot and windy turn, with potential fire risks. Stay informed, stay safe, and adjust your plans as needed. Worth forwarding if you know someone in the affected areas.