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

Weather in Evanston, Wyoming

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

Evanston, WY
Sunday, May 17 at 1:28 AM
55
°
Overcast
Feels like
44°
Humidity
29%
Wind
14 mph
Sunrise
6:03 AM
Sunset
8:36 PM
Evanston, WY
Hour by hour · 24h
62°
7p
59°
8p
52°
9p
48°
10p
46°
11p
43°
12a
42°
1a
40°
2a
40°
3a
39°
4a
38°
5a
39°
6a
39°
7a
47°
8a
54°
9a
61°
10a
64°
11a
67°
12p
67°
1p
68°
2p
67°
3p
67°
4p
67°
5p
65°
6p
L 38°H 68°
Evanston, WY
7-day forecast
  1. Today
    May 16
    Overcast
    61°36°
  2. Sunday
    May 17
    Light Snow
    57%
    51°36°
  3. Monday
    May 18
    Heavy Snow
    99%
    35°20°
  4. Tuesday
    May 19
    Foggy
    12%
    38°13°
  5. Wednesday
    May 20
    Overcast
    55°26°
  6. Thursday
    May 21
    Overcast
    11%
    59°34°
  7. Friday
    May 22
    Overcast
    64°39°
Evanston, WY
Anemometer · 24h winds · from true
NESW
From · True
W
264° · veering 154°
Direction
W
264°
Sustained
14
mph
Gust
18
mph
Peak 24h
26
avg 10
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
avg 10 · pk 26 @ 3:00p
−24h−18h−12h−6hnow
A fresh breeze drives the w-bound air across the harbor.
Evanston, WY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
789.1
+1.7 mb in 3h · steady · 23.30 inHg
Now
789.1
mb
3h
+1.7
mb
12h
-2.5
mb
24h
+1.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 784792
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Evanston, WY
Air quality
68
AQI
Moderate
PM 2.5
3.5 μg/m³
PM 10
6.0 μg/m³
NO₂
0.9 μg/m³
Ozone
112.0 μg/m³
UV Index
0.3 Low
Evanston, WY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:34 AM
Sunrise
6:03 AM
Daylight
14h 33m
Sunset
8:36 PM
Civil dusk
3:09 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Evanston, WY
The moon
New Moon
0% illuminated
Moonrise
12:11 PM
Moonset
3:12 AM
In sign
♉︎ Taurus
Evanston, 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 →

Evanston at a glance

  • Today vs. normal: 15°F below the seasonal normal for this latitude
  • Last frost: April 24 (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 Evanston

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.