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Home Return to list Freeze Warning 0003 Issued by the Riverton Forecast Office
Action: New Issued At: 2025-09-15 11:45:44 076 WWUS75 KRIW 151645 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1045 AM MDT Mon Sep 15 2025 WYZ013-023-161300- /O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Star Valley Ranch, Alpine, and Thayne 1045 AM MDT Mon Sep 15 2025 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures of 30 to 33 expected, with isolated areas as low as 28. * WHERE...Jackson Hole and Star Valley. * WHEN...From 1 AM to 7 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation, and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is an 80 percent chance of widespread temperatures of 32 or less occurring. Cloud cover could keep low temperatures warmer than is currently expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WYZ025-161300- /O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/ Upper Green River Basin Foothills- Including the cities of Pinedale 1045 AM MDT Mon Sep 15 2025 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures 28 to 32 expected around Pinedale, 26 to 30 around Daniel, and as low as 23 around Bondurant. * WHERE...Upper Green River Basin Foothills. * WHEN...From 1 AM to 7 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation, and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is a 90 to 100 percent chance of widespread temperatures of 32 or less occurring. Cloud cover could keep low temperatures warmer than is currently expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WYZ026-161300- /O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/ Upper Green River Basin- Including the cities of Farson, Big Piney, and La Barge 1045 AM MDT Mon Sep 15 2025 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 28 expected across the northern half of the basin, including Big Piney. Isolated colder temperatures possible along the Green River. Warmer lows 38 to 40 degrees expected for the far southern basin, including Farson. * WHERE...Upper Green River Basin. * WHEN...From 1 AM to 7 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation, and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is an 85 percent chance of widespread temperatures of 32 or less occurring across the northern basin. Cloud cover could keep low temperatures warmer than is currently expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: New Issued At: 2025-09-15 11:45:45 076 WWUS75 KRIW 151645 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1045 AM MDT Mon Sep 15 2025 WYZ013-023-161300- /O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Star Valley Ranch, Alpine, and Thayne 1045 AM MDT Mon Sep 15 2025 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures of 30 to 33 expected, with isolated areas as low as 28. * WHERE...Jackson Hole and Star Valley. * WHEN...From 1 AM to 7 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation, and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is an 80 percent chance of widespread temperatures of 32 or less occurring. Cloud cover could keep low temperatures warmer than is currently expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WYZ025-161300- /O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/ Upper Green River Basin Foothills- Including the cities of Pinedale 1045 AM MDT Mon Sep 15 2025 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures 28 to 32 expected around Pinedale, 26 to 30 around Daniel, and as low as 23 around Bondurant. * WHERE...Upper Green River Basin Foothills. * WHEN...From 1 AM to 7 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation, and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is a 90 to 100 percent chance of widespread temperatures of 32 or less occurring. Cloud cover could keep low temperatures warmer than is currently expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WYZ026-161300- /O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/ Upper Green River Basin- Including the cities of Farson, Big Piney, and La Barge 1045 AM MDT Mon Sep 15 2025 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 28 expected across the northern half of the basin, including Big Piney. Isolated colder temperatures possible along the Green River. Warmer lows 38 to 40 degrees expected for the far southern basin, including Farson. * WHERE...Upper Green River Basin. * WHEN...From 1 AM to 7 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation, and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is an 85 percent chance of widespread temperatures of 32 or less occurring across the northern basin. Cloud cover could keep low temperatures warmer than is currently expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: New Issued At: 2025-09-15 11:45:45 076 WWUS75 KRIW 151645 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1045 AM MDT Mon Sep 15 2025 WYZ013-023-161300- /O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Star Valley Ranch, Alpine, and Thayne 1045 AM MDT Mon Sep 15 2025 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures of 30 to 33 expected, with isolated areas as low as 28. * WHERE...Jackson Hole and Star Valley. * WHEN...From 1 AM to 7 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation, and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is an 80 percent chance of widespread temperatures of 32 or less occurring. Cloud cover could keep low temperatures warmer than is currently expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WYZ025-161300- /O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/ Upper Green River Basin Foothills- Including the cities of Pinedale 1045 AM MDT Mon Sep 15 2025 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures 28 to 32 expected around Pinedale, 26 to 30 around Daniel, and as low as 23 around Bondurant. * WHERE...Upper Green River Basin Foothills. * WHEN...From 1 AM to 7 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation, and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is a 90 to 100 percent chance of widespread temperatures of 32 or less occurring. Cloud cover could keep low temperatures warmer than is currently expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WYZ026-161300- /O.NEW.KRIW.FZ.W.0003.250916T0700Z-250916T1300Z/ Upper Green River Basin- Including the cities of Farson, Big Piney, and La Barge 1045 AM MDT Mon Sep 15 2025 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 28 expected across the northern half of the basin, including Big Piney. Isolated colder temperatures possible along the Green River. Warmer lows 38 to 40 degrees expected for the far southern basin, including Farson. * WHERE...Upper Green River Basin. * WHEN...From 1 AM to 7 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation, and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...There is an 85 percent chance of widespread temperatures of 32 or less occurring across the northern basin. Cloud cover could keep low temperatures warmer than is currently expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: Expired Issued At: 2025-09-16 08:01:10 375 WWUS75 KRIW 161300 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 700 AM MDT Tue Sep 16 2025 WYZ013-023-025-026-161400- /O.EXP.KRIW.FZ.W.0003.000000T0000Z-250916T1300Z/ Jackson Hole-Star Valley-Upper Green River Basin Foothills-Upper Green River Basin- Including the cities of Star Valley Ranch, Thayne, Alpine, Big Piney, Pinedale, Afton, Jackson, La Barge, and Farson 700 AM MDT Tue Sep 16 2025 ...FREEZE WARNING HAS EXPIRED... Temperatures have begun to warm, thus the Freeze Warning will be allowed to expire as scheduled. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . 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