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South Pass weather

WY-28 between Lander and Farson, Wyoming. The summit is 7,559 ft.

Summit
7,559 ft
Highway
WY-28
Lander
42 mi
Farson
33 mi

Summit forecast, next 72 hours

South Pass summit, 7,559 ft · Updated · Forecast: National Weather Service

  • New snow0 in
  • Strongest gusts35 mphTuesday Night
  • Coldest32°F
ForecastSnowGustsTemp °F
Columbus DayShowers And Thunderstorms Likely0 in20 mphHigh 48°
TonightShowers And Thunderstorms0 in15 mphLow 39°
TuesdayShowers And Thunderstorms Likely0 in20 mphHigh 49°
Tuesday NightSlight Chance T-storms then Rain And Snow Showers0 in35 mphLow 31°
WednesdayRain And Snow Showers Likely0 in30 mphHigh 45°
Wednesday NightChance Rain Showers then Chance Rain And Snow Showers0 in15 mphLow 31°

Snow is the forecast new accumulation at the summit grid point. Dots use Road Travel’s driving-risk scale.

Typical weather by month

Monthly normals from the long-term stations nearest the summit. None sits exactly on the pass, so each column says how far away and how high it is.

MonthSouth Pass City
7,840 ft · 9 mi northeast of the summit
Atlantic City
7,821 ft · 13 mi northeast of the summit
High / low °FHigh / low °F
Jan28° / 2°30° / 1°
Feb29° / 4°31° / 7°
Mar38° / 12°38° / 13°
Apr47° / 19°46° / 21°
May59° / 28°57° / 29°
Jun70° / 35°69° / 37°
Jul78° / 41°78° / 43°
Aug77° / 38°76° / 42°
Sep67° / 31°67° / 33°
Oct53° / 23°52° / 23°
Nov37° / 12°38° / 12°
Dec28° / 3°29° / 5°

NOAA NCEI U.S. Climate Normals, 1991–2020: SOUTH PASS CITY (USC00488385, 7,840 ft); ATLANTIC CITY (USC00480432, 7,821 ft). Snow days are days with at least 1 inch of new snow. “—” means the station does not publish that normal.

Cameras, road reports and winter rules

Conditions on the pass change by the hour, so these go straight to the official sources.

Check the official National Weather Service forecast for the summit and the road report before you leave.

Crossing South Pass? See the summit at the hour you’ll be there

Road Travel times the forecast to your drive, so you see conditions at the summit when you will actually reach it, and get alerts about weather ahead on the way.

Questions about South Pass

How high is South Pass?

The summit is 7,559 ft above sea level, on WY-28.

How far is South Pass from Lander and Farson?

By road, the summit is 42 miles from Lander, WY and 33 miles from Farson, WY.

How cold does it get near South Pass?

The coldest month is January. Atlantic City (7,821 ft, 13 mi northeast of the summit) averages a low of 1°F then (1991–2020 normals).