Yellowstone National Park Forecast

FPUS55 KRIW 141533

ZFPRIW



Zone Forecast Product for Western and Central Wyoming

National Weather Service Riverton WY

932 AM MDT Tue Jul 14 2026



WYZ020-142200-

Natrona County Lower Elevations-

WYZ001-142200-

Yellowstone National Park-

Including the cities of Lake, Mammoth, and Old Faithful

932 AM MDT Tue Jul 14 2026



.TODAY...Mostly sunny. Scattered showers and thunderstorms this

afternoon. Some thunderstorms may produce gusty winds this

afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph

with gusts up to 25 mph this afternoon. Chance of rain

30 percent. 

.TONIGHT...Partly cloudy. Scattered showers and thunderstorms in

the evening. Some thunderstorms may produce gusty winds in the

evening. Lows in the lower 50s. South winds 10 to 15 mph with

gusts up to 30 mph in the evening. Chance of rain 30 percent. 

.WEDNESDAY...Partly cloudy in the morning, then mostly cloudy

with numerous showers and thunderstorms in the afternoon. Some

thunderstorms may produce gusty winds in the afternoon. Highs in

the upper 70s. West winds 10 to 15 mph in the afternoon. Chance

of rain 60 percent. 

.WEDNESDAY NIGHT...Partly cloudy with scattered showers and

thunderstorms in the evening, then mostly clear after midnight.

Some thunderstorms may produce gusty winds in the evening. Lows

in the upper 40s. East winds around 10 mph with gusts up to

20 mph in the evening. Chance of rain 30 percent. 

.THURSDAY...Mostly sunny in the morning, then partly cloudy with

showers likely with a chance of thunderstorms in the afternoon.

Highs around 80. Chance of rain 60 percent. 

.THURSDAY NIGHT...Partly cloudy. A chance of showers and

thunderstorms in the evening. Lows around 50. Chance of rain

30 percent. 

.FRIDAY...Partly cloudy. Showers likely with a chance of

thunderstorms in the afternoon. Highs in the lower 80s. Chance of

rain 60 percent. 

.FRIDAY NIGHT...Partly cloudy. Showers likely with a chance of

thunderstorms in the evening. Lows in the lower 50s. Chance of

rain 60 percent. 

.SATURDAY...Partly cloudy. A chance of showers and thunderstorms

in the afternoon. Highs around 80. Chance of rain 50 percent. 

.SATURDAY NIGHT...Partly cloudy. A chance of showers and

thunderstorms in the evening. Lows in the lower 50s. Chance of

rain 30 percent. 

.SUNDAY...Mostly sunny in the morning, then partly cloudy with a

chance of showers and thunderstorms in the afternoon. Highs in

the upper 70s. Chance of rain 30 percent. 

.SUNDAY NIGHT...Partly cloudy. A chance of showers with a slight

chance of thunderstorms in the evening, then a slight chance of

showers after midnight. Lows in the upper 40s. Chance of rain

30 percent. 

.MONDAY...Partly cloudy. A slight chance of showers in the

morning, then a chance of showers and thunderstorms in the

afternoon. Highs in the upper 70s. Chance of rain 30 percent. 



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