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

Weather in Powder River, Wyoming

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

Powder River, WY
Sunday, May 17 at 3:52 AM
58
°
Overcast
Feels like
48°
Humidity
25%
Wind
12 mph
Sunrise
5:43 AM
Sunset
8:25 PM
Powder River, WY
Hour by hour · 24h
61°
9p
56°
10p
53°
11p
50°
12a
49°
1a
47°
2a
46°
3a
44°
4a
44°
5a
42°
6a
46°
7a
54°
8a
62°
9a
65°
10a
68°
11a
69°
12p
71°
1p
72°
2p
73°
3p
73°
4p
74°
5p
72°
6p
71°
7p
67°
8p
L 42°H 74°
Powder River, WY
7-day forecast
  1. Today
    May 16
    Overcast
    73°36°
  2. Sunday
    May 17
    Snow
    45%
    56°35°
  3. Monday
    May 18
    Heavy Snow
    100%
    37°28°
  4. Tuesday
    May 19
    Overcast
    40%
    50°26°
  5. Wednesday
    May 20
    Drizzle
    62°39°
  6. Thursday
    May 21
    Light Drizzle
    16%
    58°40°
  7. Friday
    May 22
    Light Drizzle
    14%
    69°44°
Powder River, WY
Anemometer · 24h winds · from true
NESW
From · True
SW
217° · veering 66°
Direction
SW
217°
Sustained
12
mph
Gust
27
mph
Peak 24h
33
avg 8
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 8 · pk 33 @ 3:00p
−24h−18h−12h−6hnow
Light breeze veering 66° from the sw.
Powder River, WY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
819.7
+0.3 mb in 3h · steady · 24.21 inHg
Now
819.7
mb
3h
+0.3
mb
12h
-2.8
mb
24h
-0.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 819826
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Powder River, WY
Air quality
71
AQI
Moderate
PM 2.5
5.9 μg/m³
PM 10
21.0 μg/m³
NO₂
0.6 μg/m³
Ozone
112.0 μg/m³
UV Index
0.0 Low
Powder River, WY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:12 AM
Sunrise
5:43 AM
Daylight
14h 42m
Sunset
8:25 PM
Civil dusk
2:59 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Powder River, WY
The moon
New Moon
0% illuminated
Moonrise
11:47 AM
Moonset
3:03 AM
In sign
♊︎ Gemini
Powder River, 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 →

Powder River at a glance

  • Today vs. normal: 11°F below the seasonal normal for this latitude
  • Last frost: May 4 (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 Powder River

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.