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Accidents and Incidents Report

Yellowstone National Park Forecast

FPUS55 KRIW 190237
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
736 PM MST Sun Feb 18 2018

WYZ020-191100-
Natrona County Lower Elevations-
WYZ001-191100-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
736 PM MST Sun Feb 18 2018

.TONIGHT...Patchy blowing snow early in the evening. Snow. Snow
accumulation of 1 to 2 inches. Lows 1 below to 9 below zero.
Southwest winds around 15 mph in the evening. Chance of snow
90 percent. 
.WASHINGTONS BIRTHDAY...Mostly cloudy. Snow likely in the
morning, then chance of snow in the afternoon. Snow accumulation
up to 1 inch. Total snow accumulation 2 to 5 inches. Highs 4 to
12. Chance of snow 60 percent. Lowest wind chill readings
14 below to 24 below zero in the morning. 
.MONDAY NIGHT...Colder. Mostly cloudy with a 30 percent chance of
snow. Lows 12 below to 22 below zero. 
.TUESDAY...Mostly cloudy. Highs 3 to 9. Lowest wind chill
readings 22 below to 32 below zero in the morning. 
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 10 below to 16 below zero. 
.WEDNESDAY...Mostly cloudy with a 20 percent chance of snow.
Highs 6 to 12. Wind chill readings 27 below to 37 below zero. 
.WEDNESDAY NIGHT...Mostly cloudy. Lows 1 below to 7 below zero.
Wind chill readings 19 below to 29 below zero. 
.THURSDAY...Mostly cloudy. A 20 percent chance of snow in the
afternoon. Highs 13 to 19. Lowest wind chill readings 20 below to
30 below zero in the morning. 
.THURSDAY NIGHT...Cloudy with a 20 percent chance of snow. Lows
4 below to 2 above zero. Wind chill readings 13 below to 23 below
zero. 
.FRIDAY...Mostly cloudy. A 20 percent chance of snow in the
afternoon. Highs 16 to 22. Lowest wind chill readings 14 below to
24 below zero in the morning. 
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows zero to 6 above. Wind chill readings 10 below to 20 below
zero. 
.SATURDAY...Cloudy with a 30 percent chance of snow. Highs 16 to
22. 
.SATURDAY NIGHT...Cloudy with a 40 percent chance of snow. Lows
3 to 9. 
.SUNDAY...Cloudy with a 30 percent chance of snow. Highs 17 to
23. 

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