Yellowstone National Park Forecast

FPUS55 KRIW 131549

ZFPRIW



Zone Forecast Product for Western and Central Wyoming

National Weather Service Riverton WY

847 AM MST Tue Jan 13 2026



WYZ020-132300-

Natrona County Lower Elevations-

WYZ001-132300-

Yellowstone National Park-

Including the cities of Lake, Mammoth, and Old Faithful

847 AM MST Tue Jan 13 2026



.TODAY...Partly cloudy this morning, then becoming mostly cloudy.

Highs in the lower 30s. West winds around 10 mph with gusts up to

25 mph. 

.TONIGHT...Partly cloudy. Cold with lows 13 to 19. 

.WEDNESDAY...Mostly sunny. Highs in the mid 30s. 

.WEDNESDAY NIGHT...Mostly clear. Cold with lows 8 to 14 above. 

.THURSDAY...Sunny. Highs in the lower 30s. West winds around

10 mph in the afternoon. 

.THURSDAY NIGHT...Mostly clear. Cold with lows 5 to 10 above. 

.FRIDAY...Mostly sunny. Highs in the upper 20s. 

.FRIDAY NIGHT...Mostly clear. Cold with lows 5 to 10 above. 

.SATURDAY...Sunny. Highs in the lower 30s. 

.SATURDAY NIGHT...Clear, cold with lows 10 to 15. 

.SUNDAY...Mostly sunny. Highs in the lower 30s. 

.SUNDAY NIGHT...Clear, cold with lows 5 to 15 above. 

.MARTIN LUTHER KING JR DAY...Mostly sunny. Highs in the lower

30s. 



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