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

Weather in White Sulphur Springs, Montana

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

White Sulphur Springs, MT
Sunday, May 17 at 2:34 AM
39
°
Overcast
Feels like
27°
Humidity
50%
Wind
16 mph
Sunrise
5:48 AM
Sunset
8:52 PM
White Sulphur Springs, MT
Hour by hour · 24h
52°
8p
50°
9p
49°
10p
49°
11p
48°
12a
45°
1a
43°
2a
42°
3a
41°
4a
40°
5a
40°
6a
41°
7a
45°
8a
47°
9a
48°
10a
51°
11a
53°
12p
55°
1p
57°
2p
57°
3p
57°
4p
57°
5p
57°
6p
55°
7p
L 40°H 57°
White Sulphur Springs, MT
7-day forecast
  1. Today
    May 16
    Light Drizzle
    29%
    47°37°
  2. Sunday
    May 17
    Snow
    14%
    40°29°
  3. Monday
    May 18
    Overcast
    —
    48°28°
  4. Tuesday
    May 19
    Overcast
    —
    58°31°
  5. Wednesday
    May 20
    Light Snow Shwrs
    45%
    45°39°
  6. Thursday
    May 21
    Light Drizzle
    25%
    58°36°
  7. Friday
    May 22
    Overcast
    34%
    67°41°
White Sulphur Springs, MT
Next 24 hours · Cool now
36°49°62°12a6a12p6pnow 52°high 57°low 40°
White Sulphur Springs, MT
Anemometer · 24h winds · from true
NESW
From · True
WNW
301° · backing 166°
Direction
WNW
301°
Sustained
16
mph
Gust
27
mph
Peak 24h
28
avg 8
Beaufort · 4 · MOD 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 8 · pk 28 @ 8:00p
−24h−18h−12h−6hnow
Sustained 16 mph with gusts pulsing to 27 — flags snap, branches bend.
White Sulphur Springs, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
840.7
-1.7 mb in 3h · steady · 24.83 inHg
Now
840.7
mb
3h
-1.7
mb
12h
-0.4
mb
24h
-0.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 840–842
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
White Sulphur Springs, MT
Air quality
44
AQI
Good
PM 2.5
0.5 μg/m³
PM 10
0.7 μg/m³
NO₂
0.7 μg/m³
Ozone
83.0 μg/m³
UV Index
0.1 Low
White Sulphur Springs, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:14 AM
Sunrise
5:48 AM
Daylight
15h 04m
Sunset
8:52 PM
Civil dusk
3:28 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
White Sulphur Springs, MT
The moon
New Moon
0% illuminated
Moonrise
11:47 AM
Moonset
3:35 AM
In sign
♊︎ Gemini
White Sulphur Springs, 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 →

White Sulphur Springs at a glance

  • Today vs. normal: 26°F below the seasonal normal for this latitude
  • Last frost: May 25 (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).

All cities in Montana →

ZIP codes in White Sulphur Springs

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.