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

Weather in Fontenelle, Wyoming

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

Fontenelle, WY
Sunday, May 17 at 5:17 AM
46
°
Overcast
Feels like
35°
Humidity
39%
Wind
12 mph
Sunrise
5:58 AM
Sunset
8:34 PM
Fontenelle, WY
Hour by hour · 24h
47°
11p
44°
12a
42°
1a
40°
2a
39°
3a
38°
4a
37°
5a
35°
6a
37°
7a
44°
8a
51°
9a
56°
10a
61°
11a
65°
12p
67°
1p
69°
2p
69°
3p
69°
4p
68°
5p
67°
6p
65°
7p
62°
8p
55°
9p
50°
10p
L 35°H 69°
Fontenelle, WY
7-day forecast
  1. Today
    May 16
    Overcast
    67°35°
  2. Sunday
    May 17
    Heavy Snow
    52%
    53°34°
  3. Monday
    May 18
    Heavy Snow
    96%
    38°27°
  4. Tuesday
    May 19
    Overcast
    28%
    51°30°
  5. Wednesday
    May 20
    Overcast
    59°38°
  6. Thursday
    May 21
    Overcast
    11%
    62°39°
  7. Friday
    May 22
    Overcast
    67°46°
Fontenelle, WY
Anemometer · 24h winds · from true
NESW
From · True
NNW
327° · veering 25°
Direction
NNW
327°
Sustained
12
mph
Gust
26
mph
Peak 24h
29
avg 10
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 10 · pk 29 @ 10:00p
−24h−18h−12h−6hnow
Light breeze veering 25° from the nnw.
Fontenelle, WY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
795.4
+1.0 mb in 3h · falling · 23.49 inHg
Now
795.4
mb
3h
+1.0
mb
12h
-2.4
mb
24h
+2.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 793801
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Fontenelle, WY
Air quality
57
AQI
Moderate
PM 2.5
5.2 μg/m³
PM 10
16.8 μg/m³
NO₂
0.7 μg/m³
Ozone
99.0 μg/m³
UV Index
0.0 Low
Fontenelle, WY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:28 AM
Sunrise
5:58 AM
Daylight
14h 36m
Sunset
8:34 PM
Civil dusk
3:07 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Fontenelle, WY
The moon
New Moon
0% illuminated
Moonrise
12:04 PM
Moonset
3:11 AM
In sign
♊︎ Gemini
Fontenelle, 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 →

Fontenelle at a glance

  • Today vs. normal: 24°F below the seasonal normal for this latitude
  • Last frost: April 28 (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

Warm-season window is open

As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in Fontenelle

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.