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

Weather in Kirby, Wyoming

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

Kirby, WY
Sunday, May 17 at 2:57 AM
63
°
Overcast
Feels like
55°
Humidity
18%
Wind
6 mph
Sunrise
5:45 AM
Sunset
8:32 PM
Kirby, WY
Hour by hour · 24h
72°
8p
66°
9p
62°
10p
59°
11p
56°
12a
55°
1a
54°
2a
53°
3a
49°
4a
49°
5a
47°
6a
50°
7a
58°
8a
63°
9a
65°
10a
68°
11a
75°
12p
76°
1p
77°
2p
78°
3p
78°
4p
77°
5p
77°
6p
74°
7p
L 47°H 78°
Kirby, WY
7-day forecast
  1. Today
    May 16
    Overcast
    74°45°
  2. Sunday
    May 17
    Overcast
    15%
    58°39°
  3. Monday
    May 18
    Snow
    80%
    51°34°
  4. Tuesday
    May 19
    Overcast
    63°35°
  5. Wednesday
    May 20
    Light Drizzle
    16%
    69°44°
  6. Thursday
    May 21
    Light Drizzle
    12%
    61°45°
  7. Friday
    May 22
    Light Drizzle
    12%
    73°45°
Kirby, WY
Anemometer · 24h winds · from true
NESW
From · True
WNW
287° · veering 94°
Direction
WNW
287°
Sustained
6
mph
Gust
11
mph
Peak 24h
33
avg 8
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 8 · pk 33 @ 12:00a
−24h−18h−12h−6hnow
Light breeze veering 94° from the wnw.
Kirby, WY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
860.2
-0.8 mb in 3h · steady · 25.40 inHg
Now
860.2
mb
3h
-0.8
mb
12h
-3.4
mb
24h
-3.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 860866
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Kirby, WY
Air quality
56
AQI
Moderate
PM 2.5
4.3 μg/m³
PM 10
8.8 μg/m³
NO₂
0.7 μg/m³
Ozone
103.0 μg/m³
UV Index
0.1 Low
Kirby, WY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:14 AM
Sunrise
5:45 AM
Daylight
14h 47m
Sunset
8:32 PM
Civil dusk
3:06 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Kirby, WY
The moon
New Moon
0% illuminated
Moonrise
11:49 AM
Moonset
3:11 AM
In sign
♊︎ Gemini
Kirby, 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 →

Kirby at a glance

  • Today vs. normal: 5°F below the seasonal normal for this latitude
  • Last frost: May 9 (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 Kirby

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.