Road Travel › Mountain pass weather

Marias Pass weather

US-2 between East Glacier Park and Essex, Montana. The summit is 5,247 ft.

Summit
5,247 ft
Highway
US-2
East Glacier Park
12 mi
Essex
17 mi

Summit forecast, next 72 hours

Marias Pass summit, 5,247 ft · Updated · Forecast: National Weather Service

  • New snow0 in
  • Strongest gusts30 mphMonday
  • Coldest40°F
ForecastSnowGustsTemp °F
TonightMostly Clear0 in20 mphLow 40°
SaturdayMostly Sunny0 in10 mphHigh 61°
Saturday NightPartly Cloudy0 in5 mphLow 40°
SundaySunny0 in20 mphHigh 67°
Sunday NightMostly Clear0 in20 mphLow 48°
MondaySunny0 in30 mphHigh 66°

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.

MonthPike Creek
5,930 ft · 2 mi southeast of the summit
East Glacier Park
4,806 ft · 11 mi northeast of the summit
St. Mary
4,560 ft · 30 mi north of the summit
Precip (in)High / low °FHigh / low °F
Jan5.530° / 13°29° / 12°
Feb4.631° / 13°32° / 14°
Mar4.837° / 19°38° / 20°
Apr3.946° / 27°47° / 26°
May3.956° / 34°57° / 35°
Jun4.064° / 41°64° / 41°
Jul1.274° / 46°75° / 46°
Aug1.574° / 44°74° / 44°
Sep2.663° / 38°63° / 38°
Oct4.050° / 29°49° / 31°
Nov5.436° / 22°36° / 22°
Dec5.629° / 15°29° / 15°

NOAA NCEI U.S. Climate Normals, 1991–2020: Pike Creek (USS0013A26S, 5,930 ft); E GLACIER (USC00242629, 4,806 ft); ST MARY (USC00247292, 4,560 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 Marias 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 Marias Pass

How high is Marias Pass?

The summit is 5,247 ft above sea level, on US-2.

How far is Marias Pass from East Glacier Park and Essex?

By road, the summit is 12 miles from East Glacier Park, MT and 17 miles from Essex, MT.

What is the wettest month at Marias Pass?

December. The Pike Creek snow-monitoring site (5,930 ft, 2 mi southeast of the summit) averages 5.6 inches of precipitation that month, counting the water in melted snow (1991–2020 normals).

How cold does it get near Marias Pass?

The coldest month is February. East Glacier Park (4,806 ft, 11 mi northeast of the summit) averages a low of 13°F then (1991–2020 normals); the summit is 441 ft higher.