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

Weather in St. Pierre, Montana

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

St. Pierre, MT
Sunday, May 17 at 4:05 AM
42
°
Overcast
Feels like
37°
Humidity
77%
Wind
4 mph
Sunrise
5:37 AM
Sunset
8:53 PM
St. Pierre, MT
Hour by hour · 24h
48°
10p
46°
11p
45°
12a
44°
1a
43°
2a
42°
3a
43°
4a
42°
5a
42°
6a
41°
13%
7a
43°
8a
47°
9a
50°
10a
52°
11a
53°
12p
55°
1p
56°
2p
56°
3p
58°
4p
56°
5p
55°
6p
54°
7p
51°
8p
48°
9p
L 41°H 58°
St. Pierre, MT
7-day forecast
  1. Today
    May 16
    Light Snow
    26%
    47°38°
  2. Sunday
    May 17
    Heavy Snow
    52%
    39°30°
  3. Monday
    May 18
    Foggy
    15%
    48°28°
  4. Tuesday
    May 19
    Light Drizzle
    10%
    59°36°
  5. Wednesday
    May 20
    Heavy Drizzle
    42%
    56°44°
  6. Thursday
    May 21
    Light Drizzle
    12%
    59°41°
  7. Friday
    May 22
    Overcast
    35%
    66°47°
St. Pierre, MT
Anemometer · 24h winds · from true
NESW
From · True
SE
126° · backing 117°
Direction
SE
126°
Sustained
4
mph
Gust
10
mph
Peak 24h
22
avg 7
Beaufort · 2 · LIGHT 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 7 · pk 22 @ 4:00a
−24h−18h−12h−6hnow
Light breeze backing 117° from the se.
St. Pierre, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
868.5
-0.8 mb in 3h · falling · 25.65 inHg
Now
868.5
mb
3h
-0.8
mb
12h
-0.9
mb
24h
-0.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 868871
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
St. Pierre, MT
Air quality
40
AQI
Good
PM 2.5
1.4 μg/m³
PM 10
2.0 μg/m³
NO₂
2.3 μg/m³
Ozone
66.0 μg/m³
UV Index
0.0 Low
St. Pierre, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:02 AM
Sunrise
5:37 AM
Daylight
15h 16m
Sunset
8:53 PM
Civil dusk
3:31 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
St. Pierre, MT
The moon
New Moon
0% illuminated
Moonrise
11:34 AM
Moonset
3:39 AM
In sign
♊︎ Gemini
St. Pierre, 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 →

St. Pierre at a glance

  • Today vs. normal: 21°F below the seasonal normal for this latitude
  • Last frost: June 4 (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 St. Pierre

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.