Boulder, WY Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Boulder, WY.

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Current Conditions — Boulder, WY

PINEDALE R WENZ (KPNA)

Cloudy

41.0 F
Humidity:%
Wind Speed: 15.0 G 18.3 mph
Barometer: in
Dewpoint: F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:33.1 F
Apr 23 2026, 01:35 PM MDT
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5-Day Forecast — Boulder, WY

Thursday

High 48 °F
Chance of Snow
Thursday
Night
Low 21 °F
Chance of Snow
Friday

High 44 °F
Chance of T-storms
Friday
Night
Low 19 °F
Slight Chance of Snow
Saturday

High 50 °F
Slight Chance of Snow
Saturday
Night
Low 28 °F
Chance of Snow
Sunday

High 48 °F
T-storms Likely
Sunday
Night
Low 23 °F
Chance of Snow
Monday

High 48 °F
Chance of Scattered T-storms

Detailed Forecast — Boulder, WY

Thursday
Chance of Snow. High near 48°F. Wind 18 to 28 mph, with gusts as high as 38 mph.
Thursday Night
Chance of Snow. Low around 21°F. Wind 6 to 24 mph, with gusts as high as 35 mph.
Friday
Chance of Thunderstorms. High near 44°F. Wind 10 to 28 mph, with gusts as high as 37 mph.
Friday Night
Slight Chance of Snow. Low around 19°F. Wind 2 to 13 mph, with gusts as high as 20 mph.
Saturday
Slight Chance of Snow. High near 50°F. Wind 3 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Chance of Snow. Low around 28°F. Wind 3 to 6 mph, with gusts as high as 10 mph.
Sunday
Thunderstorms Likely. High near 48°F. Wind 6 to 8 mph, with gusts as high as 13 mph.
Sunday Night
Chance of Snow. Low around 23°F. Wind 2 to 3 mph, with gusts as high as 6 mph.
Monday
Chance of Scattered Thunderstorms. High near 48°F. Wind around 9 mph, with gusts as high as 17 mph.
Monday Night
Mostly Cloudy. Low around 23°F. Wind around 2 mph, with gusts as high as 6 mph.
Tuesday
Isolated T-storm. High near 53°F. Wind 7 to 8 mph, with gusts as high as 16 mph.
Tuesday Night
Slight Chance of Rain/Snow Mix. Low around 26°F. Wind 2 to 3 mph, with gusts as high as 7 mph.
Wednesday
Chance of Thunderstorms. High near 55°F. Wind 6 to 7 mph, with gusts as high as 13 mph.
WY Radar
Current Radar • WY
Day 1 Outlook • April 23, 2026

Observation History — Boulder, WY

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
01:35 PM MDT 15.0 G 18.3 10.00 Cloudy -- 41.0 % 33.1 NA M
01:15 PM MDT 17.2 G 21.9 10.00 Cloudy -- 41.0 % 32.5 NA M
12:55 PM MDT 13.9 G 21.9 10.00 Cloudy -- 41.0 % 33.4 NA M
12:35 PM MDT NW 12.8 10.00 Cloudy -- 39.2 % 31.6 NA M
12:15 PM MDT 15.0 G 25.3 10.00 Cloudy -- 39.2 % 30.7 NA M
11:55 AM MDT 13.9 G 24.2 10.00 Cloudy -- 39.2 % 31.1 NA M
11:35 AM MDT NW 15.0 G 19.7 10.00 Mostly Cloudy -- 41.0 % 33.1 NA M
11:15 AM MDT NW 18.3 G 25.3 10.00 Cloudy -- 39.2 % 29.8 NA M
10:55 AM MDT NW 16.1 G 21.9 10.00 Cloudy -- 37.4 % 28.2 NA M
10:35 AM MDT W 15.0 10.00 Cloudy -- 37.4 % 28.6 NA M
10:15 AM MDT 13.9 G 18.3 10.00 Cloudy -- 35.6 % 26.6 NA M
09:55 AM MDT 9.2 10.00 Cloudy -- 33.8 % 26.4 NA M
09:35 AM MDT 11.4 10.00 Cloudy -- 33.8 % 25.3 NA M
08:55 AM MDT 8.1 10.00 Cloudy -- 33.8 % 27.0 NA M
08:35 AM MDT 8.1 10.00 Cloudy -- 32.0 % 24.8 NA M
08:15 AM MDT 9.2 10.00 Cloudy -- 32.0 % 24.1 NA M
07:55 AM MDT 9.2 10.00 Cloudy -- 32.0 % 24.1 NA M
07:35 AM MDT 9.2 10.00 Cloudy -- 32.0 % 24.1 NA M
07:15 AM MDT W 4.7 10.00 Cloudy -- 30.2 % 25.3 NA M
06:55 AM MDT W 3.4 10.00 Cloudy -- 30.2 % 26.8 NA M
06:35 AM MDT 0.0 10.00 Cloudy -- 30.2 % NA NA M
06:15 AM MDT 3.4 10.00 Cloudy -- 30.2 % 26.8 NA M
05:55 AM MDT 0.0 10.00 Cloudy -- 30.2 % NA NA M
05:35 AM MDT 0.0 10.00 Cloudy -- 30.2 % NA NA M

Regional Weather Observation

PINEDALE R WENZ (KPNA)

Cloudy
41.0 F

BIG PINEY (KBPI)

Mostly Cloudy
46.4 F

DUBOIS MUNI (KDUB)

Mostly Cloudy
44.6 F

AFTON (KAFO)

Cloudy
39.2 F

LANDER (KLND)

Partly Cloudy
57.2 F

JACKSON (KJAC)

Light Rain
39.2 F
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