Weather Alerts For Sonora, AZ

URGENT - WEATHER MESSAGE National Weather Service Tucson AZ 1242 PM MST Thu Jan 8 2026 Tohono O'odham Nation-Upper Santa Cruz River Valley/Altar Valley- Tucson Metro Area-South Central Pinal County-Southeast Pinal County- Including the cities of Sells, Mammoth, Marana, Green Valley, Tucson, Picacho Peak State Park, Oracle, Vail, and Nogales 1242 PM MST Thu Jan 8 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MST SATURDAY... * WHAT...Sub-freezing temperatures as low as Friday 27 to 32 degrees, Saturday 25 to 30 degrees. * WHERE...South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, and Upper Santa Cruz River Valley/Altar Valley. * WHEN...From midnight tonight to 9 AM MST Saturday. * IMPACTS...Frost and freeze conditions could kill crops, animals, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is higher confidence for the coldest temperatures on Saturday morning. The coldest temperatures will be experienced between midnight to 9 AM each morning. Localized patchy fog can inhibit the colder temperatures. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&