Yellowstone National Park Forecast
FPUS55 KRIW 182024
ZFPRIW
Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
222 PM MDT Sat May 18 2024
WYZ020-182200-
Natrona County Lower Elevations-
WYZ001-182200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
222 PM MDT Sat May 18 2024
.THIS AFTERNOON...Partly cloudy and breezy. Highs around 50.
Southwest winds 15 to 20 mph with gusts up to 35 mph.
.TONIGHT...Mostly cloudy. Scattered snow showers after midnight.
Breezy with lows in the lower 30s. Southwest winds 20 to 25 mph
with gusts up to 35 mph, diminishing to around 10 mph with gusts
up to 20 mph after midnight. Chance of snow 30 percent.
.SUNDAY...Partly cloudy with scattered snow and rain showers.
Isolated thunderstorms in the afternoon. Breezy with highs in the
mid 40s. Southwest winds 15 to 25 mph with gusts up to 40 mph.
Chance of precipitation 30 percent.
.SUNDAY NIGHT...Mostly cloudy with scattered snow showers with
isolated thunderstorms in the evening, then partly cloudy with
isolated snow showers after midnight. Breezy with lows in the mid
20s. Northwest winds 15 to 20 mph with gusts up to 30 mph,
becoming northeast around 10 mph after midnight. Chance of snow
30 percent.
.MONDAY...Partly cloudy with a chance of snow showers in the
morning, then mostly cloudy with snow showers likely with a
slight chance of thunderstorms in the afternoon. Little or no
snow accumulation. Highs in the mid 40s. West winds around 10 mph
with gusts up to 20 mph in the afternoon. Chance of snow
70 percent.
.MONDAY NIGHT...Mostly cloudy. Snow showers likely with a chanceof thunderstorms in the evening, then a chance of snow showers
after midnight. Light snow accumulation possible. Lows in the
upper 20s. Chance of snow 60 percent.
.TUESDAY...Mostly cloudy with snow showers likely. A chance of
thunderstorms and rain showers likely in the afternoon. New
little or no snow accumulation. Highs in the mid 40s. Chance of
precipitation 70 percent.
.TUESDAY NIGHT...Mostly cloudy with a chance of snow showers with
a slight chance of rain showers in the evening, then partly
cloudy after midnight. Lows in the upper 20s. Chance of
precipitation 30 percent.
.WEDNESDAY...Mostly cloudy. A chance of snow showers in the
morning, then snow showers, rain showers likely with a slight
chance of thunderstorms in the afternoon. Little or no snow
accumulation. Highs in the mid 40s. Chance of precipitation
70 percent.
.WEDNESDAY NIGHT...Mostly cloudy with rain showers likely. Snow
showers. Light snow accumulation. Lows around 30. Chance of
precipitation 80 percent.
.THURSDAY...Snow showers likely in the morning, then snow showers
with possible rain showers and thunderstorms likely in the
afternoon. New light snow accumulation. Highs in the lower 40s.
Chance of precipitation 80 percent.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A chance of rain showers in the evening. A chance
of snow showers. New little or no snow accumulation. Lows in the
mid 20s. Chance of precipitation 50 percent.
.FRIDAY...Mostly cloudy with a chance of snow showers. A chance
of rain showers in the afternoon. Little or no snow accumulation.
Highs in the mid 40s. Chance of precipitation 50 percent.
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