Southern Arizona Freeze Warning in Effect Through 9 AM Saturday, January 10
SOUTHERN ARIZONA — Residents across Southern Arizona are being advised to prepare for a period of freezing temperatures as a Freeze Warning remains in effect through 9 AM on Saturday, January 10. The cold weather is expected to impact homes, agriculture, pets, and travel during overnight and early morning hours.
Sub-Freezing Temperatures Expected Overnight
Forecasts indicate that temperatures will fall below the freezing mark across many parts of the region, including desert valleys that typically remain warmer during winter. Overnight lows are expected to drop into the upper 20s and low 30s, creating ideal conditions for frost and freeze development.
Clear skies and calm winds will allow heat to escape rapidly after sunset, increasing the likelihood of widespread freezing conditions by early Saturday morning.
Potential Impacts Across the Region
Freezing temperatures in Southern Arizona can lead to several hazards if precautions are not taken:
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Vegetation and crops may suffer damage or loss due to frost exposure
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Outdoor pets are at risk of cold-related illness or injury
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Exposed water pipes may freeze and burst, causing costly damage
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Roadways and bridges may develop slick spots during early morning hours
Rural areas and low-lying valleys are especially vulnerable to colder temperatures.
Communities Affected
The Freeze Warning includes multiple counties and communities across Southern Arizona, particularly areas east and southeast of Tucson. Both urban and rural residents are encouraged to remain alert and take protective measures.
Safety and Preparation Tips
Officials recommend the following actions before temperatures drop:
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Cover or move sensitive plants indoors
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Bring pets inside or provide insulated outdoor shelter
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Protect exposed plumbing and outdoor faucets
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Allow indoor faucets to drip slowly to prevent freezing
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Dress in layers when outdoors during early morning hours
Taking these steps can reduce damage and help ensure personal safety.
When Will Temperatures Improve?
Conditions are expected to gradually improve later Saturday morning as temperatures rise above freezing. While daytime temperatures will remain cool, the most dangerous cold conditions are expected to end by mid-morning.
Additional chilly mornings are possible in the coming days, so residents should continue monitoring forecasts and alerts.
The Freeze Warning across Southern Arizona serves as an important reminder that winter weather can bring unexpected risks to the region. By preparing ahead of time and staying informed, residents can protect their homes, families, and property during this cold stretch.

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