Weather in Shelby, Montana
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Shelby, MT
Sunday, May 17 at 1:48 AM
53
°
Partly Cloudy
Feels like
39°
Humidity
26%
Wind
18 mph
Sunrise
5:45 AM
Sunset
9:02 PM
Shelby, MT
Hour by hour · 24h
58°
7p
56°
8p
53°
9p
51°
10p
50°
11p
49°
12a
48°
1a
48°
2a
48°
3a
47°
4a
47°
5a
46°
6a
47°
7a
49°
8a
53°
9a
54°
10a
57°
11a
59°
12p
60°
1p
61°
2p
62°
3p
62°
4p
62°
5p
60°
6p
Shelby, MT
7-day forecast
- TodayMay 16Light Rain26%57°38°
- SundayMay 17Snow30%40°33°
- MondayMay 18Snow—58°31°
- TuesdayMay 19Light Drizzle20%66°42°
- WednesdayMay 20Light Showers29%59°45°
- ThursdayMay 21Light Drizzle18%68°45°
- FridayMay 22Light Drizzle19%70°50°
Shelby, MT
Next 24 hours · Cool now
Shelby, MT
Anemometer · 24h winds · from true
From · True
W
280° · veering 15°
Direction
W
280°
Sustained
18
mph
Gust
25
mph
Peak 24h
31
avg 11
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
−24h−18h−12h−6hnow
Shelby, MT
Air quality
43
AQI
Good
- PM 2.5
- 0.7 μg/m³
- PM 10
- 1.0 μg/m³
- NO₂
- 0.4 μg/m³
- Ozone
- 95.0 μg/m³
- UV Index
- 0.4 Low
Shelby, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:09 AM
Sunrise
5:45 AM
Daylight
15h 17m
Sunset
9:02 PM
Civil dusk
3:41 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Shelby, MT
The moon
New Moon
0% illuminated
- Moonrise
- 11:41 AM
- Moonset
- 3:49 AM
- In sign
- ♉︎ Taurus
Shelby, MT
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Shelby at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: June 6 (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).