Local weather forecast

Weather in West Yellowstone, MT

Updated 2026-08-11 10:15 local time · ZIP codes 59758

Now60°F

Sunny

High / Low84° / 46°

Rain chance1%

Wind5 mph

Weather alerts

Active alerts

Red Flag Warning issued August 11 at 2:17AM MDT until August 11 at 9:00PM MDT by NWS Riverton WY

The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from noon today to 9 PM MDT this evening. * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds...could cause erratic fire behavior. * AFFECTED AREA: In Northwest WY...Fire Weather Zone 140. * COUNTIES AFFECTED: In Northwest WY...Yellowstone National Park. * WIND: West 10 to 15 mph with gusts up to 30 mph. * HUMIDITY: As low as 14 percent. * TEMPERATURES: Highs in the upper 70s.

Safety instructions

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Hourly

Next hours

Now

60°0% rain

11 AM

76°1% rain

12 PM

79°2% rain

1 PM

82°0% rain

2 PM

84°1% rain

3 PM

84°1% rain

4 PM

84°1% rain

5 PM

84°1% rain

6 PM

83°1% rain

7 PM

80°2% rain

8 PM

69°3% rain

9 PM

63°3% rain

Forecast

3-day weather forecast

Today2026-08-11

84° 46°Sunny

Rain 1%Gust 12 mph

Tomorrow2026-08-12

80° 50°Partly Cloudy

Rain 17%Gust 13 mph

Thursday2026-08-13

74° 46°Sunny

Rain 73%Gust 14 mph

Conditions

Weather details

Feels like60°F

Humidity39%

Pressure30.28 inHg

Visibility10 mi

Wind5 mph SW

Wind gusts5 mph

Precipitation0.00 in

UV index4

Daylight

Sunrise, sunset and moon

Sunrise06:22 AM

Sunset08:37 PM

Moonrise04:21 AM

Moon phaseNew Moon

Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 3%).

Light layers should work

It feels like 60°F with winds near 5 mph.

Best window: 8 PM

69°F, 3% rain chance and 4 mph wind.

Driving conditions look generally normal

Visibility is around 10 mi; gusts may reach 14 mph.

Good conditions for an easy run

Current temperature is 60°F, wind 5 mph, rain chance up to 3%.

Moderate UV protection recommended

UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.

West Yellowstone weather today

Sunny and 60°F in West Yellowstone, MT. Today's high is 84°F with a 1% rain chance. Winds are around 5 mph with gusts near 5 mph. Relative humidity is 39%, pressure is 30.28 inHg, and visibility is about 10 miles.

Tonight and tomorrow in West Yellowstone

Sunrise is at 06:22 AM and sunset is at 08:37 PM. Tomorrow's forecast calls for Partly Cloudy with a high near 80°F and a low near 50°F. The maximum rain chance is 17%.

Nearby

Weather near West Yellowstone

Cameron, MT~24 mi away Big Sky, MT~29 mi away Gallatin Gateway, MT~33 mi away Emigrant, MT~37 mi away Gardiner, MT~38 mi away Pray, MT~43 mi away Ennis, MT~44 mi away Alder, MT~48 mi away

Montana

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