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

Weather in Roscoe, Montana

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

Roscoe, MT
Sunday, May 17 at 4:55 AM
40
°
Overcast
Feels like
30°
Humidity
75%
Wind
15 mph
Sunrise
5:46 AM
Sunset
8:42 PM
Roscoe, MT
Hour by hour · 24h
52°
10p
51°
11p
49°
12a
49°
1a
49°
2a
47°
3a
45°
4a
43°
5a
42°
6a
45°
7a
50°
8a
56°
9a
57°
10a
58°
11a
58°
12p
61°
1p
64°
2p
64°
3p
62°
4p
62°
5p
59°
6p
57°
7p
54°
8p
49°
9p
L 42°H 64°
Roscoe, MT
7-day forecast
  1. Today
    May 16
    Light Drizzle
    21%
    62°40°
  2. Sunday
    May 17
    Overcast
    24%
    49°33°
  3. Monday
    May 18
    Snow
    47%
    45°32°
  4. Tuesday
    May 19
    Overcast
    24%
    56°31°
  5. Wednesday
    May 20
    Showers
    50%
    49°40°
  6. Thursday
    May 21
    Light Rain
    43%
    58°40°
  7. Friday
    May 22
    Overcast
    45%
    66°43°
Roscoe, MT
Anemometer · 24h winds · from true
NESW
From · True
NNW
332° · veering 147°
Direction
NNW
332°
Sustained
15
mph
Gust
24
mph
Peak 24h
27
avg 10
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 10 · pk 27 @ 2:00a
−24h−18h−12h−6hnow
Sustained 15 mph with gusts pulsing to 24 — flags snap, branches bend.
Roscoe, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
842.2
-0.2 mb in 3h · falling · 24.87 inHg
Now
842.2
mb
3h
-0.2
mb
12h
+0.9
mb
24h
+0.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 839844
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Roscoe, MT
Air quality
50
AQI
Good
PM 2.5
5.5 μg/m³
PM 10
13.8 μg/m³
NO₂
0.9 μg/m³
Ozone
88.0 μg/m³
UV Index
0.0 Low
Roscoe, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:13 AM
Sunrise
5:46 AM
Daylight
14h 56m
Sunset
8:42 PM
Civil dusk
3:18 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Roscoe, MT
The moon
New Moon
0% illuminated
Moonrise
11:47 AM
Moonset
3:23 AM
In sign
♊︎ Gemini
Roscoe, 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 →

Roscoe at a glance

  • Today vs. normal: 26°F below the seasonal normal for this latitude
  • Last frost: May 18 (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 Roscoe

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.