Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in West Yellowstone, Montana

High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →

West Yellowstone, MT
Sunday, May 17 at 2:44 AM
40
°
Overcast
Feels like
31°
Humidity
56%
Wind
10 mph
Sunrise
5:54 AM
Sunset
8:46 PM
West Yellowstone, MT
Hour by hour · 24h
54°
8p
51°
9p
49°
10p
49°
11p
46°
12a
43°
1a
40°
2a
38°
3a
34°
4a
31°
5a
29°
6a
31°
7a
40°
8a
46°
9a
51°
10a
53°
11a
57°
12p
59°
1p
59°
2p
60°
3p
60°
4p
60°
5p
59°
6p
57°
7p
L 29°H 60°
West Yellowstone, MT
7-day forecast
  1. Today
    May 16
    Snow
    18%
    54°33°
  2. Sunday
    May 17
    Overcast
    13%
    45°25°
  3. Monday
    May 18
    Overcast
    44°21°
  4. Tuesday
    May 19
    Drizzle
    53°27°
  5. Wednesday
    May 20
    Light Snow Shwrs
    30%
    48°32°
  6. Thursday
    May 21
    Overcast
    17%
    59°30°
  7. Friday
    May 22
    Overcast
    20%
    64°38°
West Yellowstone, MT
Anemometer · 24h winds · from true
NESW
From · True
NW
313° · veering 83°
Direction
NW
313°
Sustained
10
mph
Gust
17
mph
Peak 24h
39
avg 12
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 12 · pk 39 @ 6:00p
−24h−18h−12h−6hnow
Light breeze veering 83° from the nw.
West Yellowstone, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
790.5
-1.5 mb in 3h · rising · 23.34 inHg
Now
790.5
mb
3h
-1.5
mb
12h
-3.6
mb
24h
0.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 790796
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
West Yellowstone, MT
Air quality
50
AQI
Good
PM 2.5
3.9 μg/m³
PM 10
12.0 μg/m³
NO₂
0.3 μg/m³
Ozone
105.0 μg/m³
UV Index
0.1 Low
West Yellowstone, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:22 AM
Sunrise
5:54 AM
Daylight
14h 52m
Sunset
8:46 PM
Civil dusk
3:21 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
West Yellowstone, MT
The moon
New Moon
0% illuminated
Moonrise
11:56 AM
Moonset
3:27 AM
In sign
♊︎ Gemini
West Yellowstone, MT
Microseason · 28 of 72
May 16–20

High country wildflowers peak

bird
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

West Yellowstone at a glance

  • Today vs. normal: 27°F below the seasonal normal for this latitude
  • Last frost: May 14 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Cool-season window is open

As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in West Yellowstone

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.