Expected

Responsive action SHOULD be taken soon (within next hour)

Pennsylvania Freeze Warning | Effective 04/18/2026 21:33

Public safety alert, emergency alert, and weather alert Description: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 expected. For the Freeze Watch, sub-freezing temperatures as low as 21 possible. * WHERE...Cameron, Clearfield, Elk, McKean, Northern Centre, Northern Clinton, and Warren Counties. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning.

Pennsylvania Freeze Warning | Effective 04/18/2026 21:33

Public safety alert, emergency alert, and weather alert Description: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30 expected. For the Freeze Watch, sub-freezing temperatures as low as 23 possible. * WHERE...Blair, Cambria, Somerset, Southern Centre, Southern Clinton, and Southern Lycoming Counties. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM EDT Monday. For the Freeze Watch, from late Monday night through Tuesday morning.

Oklahoma Red Flag Warning | Effective 04/18/2026 21:43

Public safety alert, emergency alert, and weather alert Description: The National Weather Service in Norman has issued a Red Flag Warning for portions of northwestern Oklahoma, which is in effect from noon to 8 PM CDT Sunday. * WINDS...Southwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * TEMPERATURES...Up to 77. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...70th-89th percentile...4 (out of 5).

Colorado, Utah Freeze Warning | Effective 04/18/2026 21:05

Public safety alert, emergency alert, and weather alert Description: * WHAT...Sub-freezing temperatures as low as 27. * WHERE...In Colorado, Lower Yampa River Basin, Debeque to Silt Corridor, Central Gunnison and Uncompahgre River Basin, Paradox Valley/Lower Dolores River, Four Corners/Upper Dolores River, Animas River Basin and San Juan River Basin Counties. In Utah, Eastern Uinta Basin County. * WHEN...Until 9 AM MDT Sunday. * IMPACTS...Frost and freeze conditions will kill crops, other

Colorado Freeze Warning | Effective 04/18/2026 21:05

Public safety alert, emergency alert, and weather alert Description: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 23. For the Freeze Watch, sub-freezing temperatures as low as 30 possible. * WHERE...Central Yampa River Basin and Central Colorado River Basin Counties. * WHEN...For the Freeze Warning, until 9 AM MDT Sunday. For the Freeze Watch, from Sunday evening through Monday morning. * IMPACTS...Frost and freeze conditions will kill crops, other

, Alaska Winter Weather Advisory | Effective 04/18/2026 20:57

Public safety alert, emergency alert, and weather alert Description: * WHAT...Snow expected. Total snow accumulations between 4 and 10 inches. * WHERE...Northern Copper Valley and Northern Susitna Valley, including Broad Pass and the Richardson Highway north of MP 170. * WHEN...From 1 AM Sunday to 4 PM AKDT Monday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Highest snow amounts are expected along Broad Pass from Chulitna north and along the Richardson Highway from

Oklahoma, Texas Freeze Warning | Effective 04/18/2026 20:55

Public safety alert, emergency alert, and weather alert Description: * WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Western and northern portions of the Texas and Oklahoma Panhandles. * WHEN...Until 9 AM CDT Sunday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Instruction: Take steps now to protect tender plants from the cold.

Oklahoma, Texas Red Flag Warning | Effective 04/18/2026 20:58

Public safety alert, emergency alert, and weather alert Description: * WINDS...Southwest 15 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 7 percent. * TEMPERATURES...In the 70s. * IMPACTS...Any fires that develop will have the potential to spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...70th-89th percentile...4 (out of 5). WEATHER...Critical...3 (out of 5). FIRE ENVIRONMENT...7 (out of 10). Instruction: A Red Flag Warning means that critical fire weather conditions

Michigan Flood Warning | Effective 04/18/2026 20:24

Public safety alert, emergency alert, and weather alert Description: ...The National Weather Service in Marquette MI has issued a Flood Warning for the following rivers in Michigan... Tahquamenon River near Paradise affecting Luce County. * WHAT...Minor flooding is expected to occur within the next 24 hours. * WHERE...Tahquamenon River near Paradise. * WHEN...From this evening until further notice. * IMPACTS...At 9.5 feet, The river exceeds bankfull stage At 10.3 feet, The river is at the high water mark set in May of

Utah Freeze Warning | Effective 04/18/2026 20:41

Public safety alert, emergency alert, and weather alert Description: * WHAT...Widespread sub-freezing temperatures in the upper 20s to low 30s. * WHERE...Castle Country, Eastern Juab/Millard Counties, San Rafael Swell, Sanpete Valley, Sevier Valley, Western Millard and Juab Counties, Eastern Box Elder County, Western Uinta Basin, and Southwest Utah. * WHEN...Until 10 AM MDT Sunday. * IMPACTS...Frost and freeze conditions could kill crops, other
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