Expected

Responsive action SHOULD be taken soon (within next hour)

Wyoming Freeze Warning | Effective 04/17/2026 04:41

Public safety alert, emergency alert, and weather alert Description: * WHAT...Sub-freezing overnight temperatures in the mid to upper 20s expected. * WHERE...Southeast Bighorn Basin and North Bighorn Basin. * WHEN...Until 9 AM MDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing such as sprinkler systems. * ADDITIONAL DETAILS...The coldest temperatures are expected to

North Dakota Winter Weather Advisory | Effective 04/17/2026 04:44

Public safety alert, emergency alert, and weather alert Description: * WHAT...Snow expected. Light additional accumulations. * WHERE...Kidder and Wells Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the early Friday morning commute. Instruction: Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1.

North Dakota Winter Weather Advisory | Effective 04/17/2026 04:44

Public safety alert, emergency alert, and weather alert Description: * WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch. Ice accumulations of a light glaze to five hundredths of an inch. Winds gusting as high as 35 mph. * WHERE...Foster and Stutsman Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the early Friday morning commute. Instruction:

Illinois, Indiana Dense Fog Advisory | Effective 04/17/2026 04:01

Public safety alert, emergency alert, and weather alert Description: * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Illinois, DuPage, Kane, Lake IL, McHenry, and Northern Cook Counties. In Indiana, Porter County. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Instruction: If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

New Mexico Red Flag Warning | Effective 04/17/2026 04:15

Public safety alert, emergency alert, and weather alert Description: ...CRITICAL FIRE WEATHER CONDITIONS ACROSS SOUTHERN NEW MEXICO TODAY... Dry and breezy weather pattern today as subtropical jet flow aloft increases over the Southern Rockies. West winds peak during the afternoon hours, especially over the Lincoln National Forest where gusts up to 40 mph will be possible. Critically dry conditions continue, with relative humidity falling below 15%.

Ohio Special Weather Statement | Effective 04/17/2026 03:48

Public safety alert, emergency alert, and weather alert Description: Areas of fog have developed across northern Ohio this morning. Some of this fog may be locally dense with visibility as low as one-quarter of a mile. Conditions are expected to improve later this morning. If driving, use your headlights, allow extra time to reach your destination, give extra distance between you and the car in front of you, and be prepared for rapid changes to visibility. Instruction:

North Dakota Winter Weather Advisory | Effective 04/17/2026 03:50

Public safety alert, emergency alert, and weather alert Description: * WHAT...Snow expected. Total snow accumulations up to two inches with locally higher amounts to 4 inches. A light glaze of ice is also possible. * WHERE...Burleigh, Kidder, Sheridan, and Wells Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the early Friday morning commute. Instruction: Slow down and use caution while traveling. The latest road conditions

North Dakota Winter Weather Advisory | Effective 04/17/2026 03:50

Public safety alert, emergency alert, and weather alert Description: * WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch. Ice accumulations of a light glaze to five hundredths of an inch. Winds gusting as high as 35 mph. * WHERE...Foster and Stutsman Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the early Friday morning commute. Instruction:

Arizona, California Wind Advisory | Effective 04/17/2026 03:02

Public safety alert, emergency alert, and weather alert Description: * WHAT...North winds 20 to 30 mph with gusts 40 to 50 mph expected. * WHERE...Western portion of Joshua Tree National Park, Eastern portion of Joshua Tree National Park, Southeastern Imperial County, Parker Valley, Chuckwalla Mountains, Chiriaco Summit, Palo Verde Valley, and Chuckwalla Valley. * WHEN...Until 1 PM MST /1 PM PDT/ this afternoon. * IMPACTS...Difficult driving conditions, especially for larger

Colorado Freeze Warning | Effective 04/17/2026 03:13

Public safety alert, emergency alert, and weather alert Description: * WHAT...Prolonged sub-freezing temperatures dropping down into the 18 to 24 degree range. * WHERE...All of the Front Range Urban Corridor and northeast plains of Colorado. * WHEN...From 8 PM this evening to 8 AM MDT Saturday. * IMPACTS...If not drained or protected, damage to above ground irrigation lines will be likely. A hard freeze could kill sensitive vegetation and damage fruit trees. Instruction: Disconnect water hoses.
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