Expected

Responsive action SHOULD be taken soon (within next hour)

Wyoming Winter Weather Advisory | Effective 05/18/2026 11:46

* WHAT...Snow expected. Additional snow accumulations up to 1 inch. Winds gusting as high as 40 mph. * WHERE...South Lincoln County. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult due to a combination of wind and falling snow. Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of

Wyoming Winter Storm Warning | Effective 05/18/2026 11:46

* WHAT...Heavy snow expected. Total snow accumulations between 1 and 3 inches. Areas of higher amounts up to 4 inches between Hiland and Casper and for the south side of Casper. Winds gusting as high as 40 mph. * WHERE...Natrona County Lower Elevations. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be difficult, especially along US Highway 20/26 between Hiland and Casper. Heavy snow could break tree limbs as many trees have leafed out.

Wyoming Winter Storm Warning | Effective 05/18/2026 11:46

* WHAT...Snow expected. Additional snow accumulations up to 2 inches. * WHERE...Lander Foothills. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult. Heavy snow could break tree limbs as many trees have leafed out. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter .

Wyoming Winter Storm Warning | Effective 05/18/2026 11:46

* WHAT...Heavy snow. Additional snow accumulations up to 2 inches, with 4 to 6 inches at the highest elevations. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains East. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be very difficult, especially over South Pass. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the

Wyoming Winter Storm Warning | Effective 05/18/2026 11:46

* WHAT...Heavy snow. Additional snow accumulations 1 to 4 inches. Winds gusting as high as 50 mph. * WHERE...Green Mountains and Rattlesnake Range. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be difficult due to a combination of wind and falling snow. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit

Wyoming Winter Weather Advisory | Effective 05/18/2026 11:46

* WHAT...Snow expected. Total snow accumulations up to 2 inches. Winds gusting as high as 45 mph. * WHERE...Upper Green River Basin. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult due to a combination of wind and falling snow. Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of

Wyoming Winter Weather Advisory | Effective 05/18/2026 11:46

* WHAT...Snow expected. Additional snow accumulations up to 1 inch. Winds gusting as high as 55 mph. * WHERE...Flaming Gorge and Rock Springs and Green River. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult, especially along Interstate 80. The hazardous conditions could impact the Monday evening commute. Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit

Wyoming Winter Weather Advisory | Effective 05/18/2026 11:46

* WHAT...Snow expected. Additional snow accumulations between 3 and 5 inches. Winds gusting as high as 60 mph. * WHERE...Wind River Mountains West. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult, especially along South Pass. The hazardous conditions could impact the Monday evening commute. Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter .

Indiana Special Weather Statement | Effective 05/18/2026 11:46

At 246 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Mooresville to 7 miles north of Bloomington. Movement was northeast at 40 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Indianapolis, Shelbyville, Greenwood, Plainfield, Franklin, Greenfield, Beech Grove, Martinsville, Mooresville, Southport,

New Jersey Heat Advisory | Effective 05/18/2026 11:49

* WHAT...Heat index values in the mid to upper 90s expected. * WHERE...Eastern Bergen, Eastern Essex, Eastern Passaic, Eastern Union, Hudson, Western Bergen, Western Essex, Western Passaic, and Western Union Counties. * WHEN...From 11 AM Tuesday to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or
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