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

Weather in Shell, Wyoming

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

Shell, WY
Sunday, May 17 at 1:39 AM
67
°
Overcast
Feels like
59°
Humidity
19%
Wind
9 mph
Sunrise
5:41 AM
Sunset
8:33 PM
Shell, WY
Hour by hour · 24h
71°
7p
68°
8p
61°
9p
58°
10p
58°
11p
56°
12a
56°
1a
54°
2a
51°
3a
49°
4a
47°
5a
44°
6a
48°
7a
55°
8a
59°
9a
63°
10a
67°
11a
68°
12p
70°
1p
71°
2p
72°
3p
72°
4p
73°
5p
74°
6p
L 44°H 74°
Shell, WY
7-day forecast
  1. Today
    May 16
    Overcast
    73°41°
  2. Sunday
    May 17
    Overcast
    12%
    56°40°
  3. Monday
    May 18
    Overcast
    38%
    54°38°
  4. Tuesday
    May 19
    Overcast
    62°36°
  5. Wednesday
    May 20
    Light Snow Shwrs
    11%
    65°47°
  6. Thursday
    May 21
    Light Snow Shwrs
    11%
    61°43°
  7. Friday
    May 22
    Light Drizzle
    15%
    71°49°
Shell, WY
Anemometer · 24h winds · from true
NESW
From · True
NW
324° · veering 119°
Direction
NW
324°
Sustained
9
mph
Gust
13
mph
Peak 24h
24
avg 5
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 5 · pk 24 @ 1:00a
−24h−18h−12h−6hnow
Light breeze veering 119° from the nw.
Shell, WY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
863.9
+1.1 mb in 3h · rising · 25.51 inHg
Now
863.9
mb
3h
+1.1
mb
12h
-4.4
mb
24h
-1.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 863869
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Shell, WY
Air quality
62
AQI
Moderate
PM 2.5
4.0 μg/m³
PM 10
8.7 μg/m³
NO₂
0.6 μg/m³
Ozone
106.0 μg/m³
UV Index
0.3 Low
Shell, WY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:09 AM
Sunrise
5:41 AM
Daylight
14h 52m
Sunset
8:33 PM
Civil dusk
3:07 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Shell, WY
The moon
New Moon
0% illuminated
Moonrise
11:44 AM
Moonset
3:12 AM
In sign
♉︎ Taurus
Shell, WY
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 →

Shell at a glance

  • Today vs. normal: 67°F — typical for the season
  • Last frost: May 13 (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 Shell

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.