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

Weather in Little Bitterroot Lake, Montana

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

Little Bitterroot Lake, MT
Sunday, May 17 at 1:47 AM
42
°
Overcast
Feels like
33°
Humidity
62%
Wind
9 mph
Sunrise
5:57 AM
Sunset
9:12 PM
Little Bitterroot Lake, MT
Hour by hour · 24h
52°
7p
50°
8p
48°
9p
45°
10p
45°
11p
44°
10%
12a
43°
12%
1a
44°
10%
2a
42°
3a
42°
4a
40°
5a
40°
6a
41°
7a
43°
8a
45°
9a
48°
10a
49°
11a
50°
12p
52°
1p
53°
2p
53°
3p
52°
4p
51°
5p
50°
6p
L 40°H 53°
Little Bitterroot Lake, MT
7-day forecast
  1. Today
    May 16
    Light Snow
    34%
    45°35°
  2. Sunday
    May 17
    Heavy Snow
    60%
    49°33°
  3. Monday
    May 18
    Drizzle
    10%
    58°30°
  4. Tuesday
    May 19
    Light Drizzle
    42%
    59°38°
  5. Wednesday
    May 20
    Light Drizzle
    34%
    59°41°
  6. Thursday
    May 21
    Light Drizzle
    67°39°
  7. Friday
    May 22
    Overcast
    22%
    72°45°
Little Bitterroot Lake, MT
Anemometer · 24h winds · from true
NESW
From · True
WNW
294° · veering 54°
Direction
WNW
294°
Sustained
9
mph
Gust
15
mph
Peak 24h
17
avg 6
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 6 · pk 17 @ 6:00a
−24h−18h−12h−6hnow
Light breeze veering 54° from the wnw.
Little Bitterroot Lake, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
879.8
+0.4 mb in 3h · falling · 25.98 inHg
Now
879.8
mb
3h
+0.4
mb
12h
-0.2
mb
24h
+0.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 878880
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Little Bitterroot Lake, MT
Air quality
39
AQI
Good
PM 2.5
0.5 μg/m³
PM 10
0.7 μg/m³
NO₂
0.6 μg/m³
Ozone
88.0 μg/m³
UV Index
0.4 Low
Little Bitterroot Lake, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:22 AM
Sunrise
5:57 AM
Daylight
15h 15m
Sunset
9:12 PM
Civil dusk
3:50 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Little Bitterroot Lake, MT
The moon
New Moon
0% illuminated
Moonrise
11:54 AM
Moonset
4:00 AM
In sign
♉︎ Taurus
Little Bitterroot Lake, 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 →

Little Bitterroot Lake at a glance

  • Today vs. normal: 22°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 Little Bitterroot Lake

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.