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

Weather in Rollins, Montana

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

Rollins, MT
Sunday, May 17 at 4:02 AM
42
°
Overcast
Feels like
36°
Humidity
74%
Wind
6 mph
Sunrise
5:56 AM
Sunset
9:09 PM
Rollins, MT
Hour by hour · 24h
51°
10p
49°
11p
49°
12a
48°
12%
1a
48°
15%
2a
46°
23%
3a
45°
4a
44°
5a
43°
6a
45°
7a
47°
8a
50°
9a
52°
10a
53°
11a
56°
12p
58°
1p
59°
2p
60°
3p
59°
4p
57°
5p
55°
6p
54°
7p
54°
8p
51°
9p
L 43°H 60°
Rollins, MT
7-day forecast
  1. Today
    May 16
    Snow
    54%
    46°40°
  2. Sunday
    May 17
    Snow
    68%
    50°36°
  3. Monday
    May 18
    Drizzle
    54°37°
  4. Tuesday
    May 19
    Drizzle
    44%
    59°42°
  5. Wednesday
    May 20
    Drizzle
    33%
    56°45°
  6. Thursday
    May 21
    Overcast
    20%
    63°43°
  7. Friday
    May 22
    Overcast
    35%
    69°50°
Rollins, MT
Anemometer · 24h winds · from true
NESW
From · True
SSW
201° · veering 6°
Direction
SSW
201°
Sustained
6
mph
Gust
8
mph
Peak 24h
18
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 18 @ 12:00p
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Rollins, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
911.1
+0.7 mb in 3h · falling · 26.90 inHg
Now
911.1
mb
3h
+0.7
mb
12h
+2.5
mb
24h
+2.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 908911
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Rollins, MT
Air quality
41
AQI
Good
PM 2.5
0.8 μg/m³
PM 10
1.1 μg/m³
NO₂
1.2 μg/m³
Ozone
86.0 μg/m³
UV Index
0.0 Low
Rollins, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:21 AM
Sunrise
5:56 AM
Daylight
15h 13m
Sunset
9:09 PM
Civil dusk
3:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Rollins, MT
The moon
New Moon
0% illuminated
Moonrise
11:53 AM
Moonset
3:56 AM
In sign
♊︎ Gemini
Rollins, 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 →

Rollins at a glance

  • Today vs. normal: 22°F below the seasonal normal for this latitude
  • Last frost: June 2 (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 Rollins

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.