Roy, MT Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Roy, MT.

Current Conditions — Roy, MT

ECHO (K1EM)

Cloudy

32.0 F
Humidity:74%
Wind Speed: G 33.4 mph
Barometer:29.76 in
Dewpoint:24.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 08:19 AM MDT
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5-Day Forecast — Roy, MT

Thursday

High 44 °F
Chance of Snow
Thursday
Night
Low 26 °F
Chance of Snow
Friday

High 37 °F
Forecast Missing
Friday
Night
Low 24 °F
Forecast Missing
Saturday

High 41 °F
Forecast Missing
Saturday
Night
Low 23 °F
Forecast Missing
Sunday

High 42 °F
Forecast Missing
Sunday
Night
Low 28 °F
Forecast Missing
Monday

High 48 °F
Forecast Missing

Detailed Forecast — Roy, MT

Thursday
Chance of Snow. High near 44°F. Wind 22 to 29 mph, with gusts as high as 38 mph.
Thursday Night
Chance of Snow. Low around 26°F. Wind 15 to 22 mph, with gusts as high as 31 mph.
Friday
Chance of Snow. High near 37°F. Wind 25 to 30 mph, with gusts as high as 40 mph.
Friday Night
Forecast Missing. Low around 24°F. Wind 16 to 25 mph, with gusts as high as 36 mph.
Saturday
Forecast Missing. High near 41°F. Wind 13 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Forecast Missing. Low around 23°F. Wind around 6 mph, with gusts as high as 10 mph.
Sunday
Forecast Missing. High near 42°F. Wind around 10 mph, with gusts as high as 17 mph.
Sunday Night
Forecast Missing. Low around 28°F. Wind 5 to 6 mph, with gusts as high as 12 mph.
Monday
Forecast Missing. High near 48°F. Wind around 7 mph, with gusts as high as 14 mph.
Monday Night
Forecast Missing. Low around 30°F. Wind around 6 mph, with gusts as high as 12 mph.
Tuesday
Forecast Missing. High near 59°F. Wind around 12 mph, with gusts as high as 20 mph.
Tuesday Night
Forecast Missing. Low around 35°F. Wind around 6 mph, with gusts as high as 12 mph.
Wednesday
Forecast Missing. High near 57°F. Wind 12 to 13 mph, with gusts as high as 20 mph.
MT Radar
Current Radar • MT
Day 1 Outlook • April 23, 2026

Observation History — Roy, MT

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)
08:19 AM MDT G 33.4 10.00 Cloudy -- 32.0 24.8 74% NA NA 29.76 1007.8
08:17 AM MDT G 33.3 10.00 Cloudy -- 32.0 24.8 74% NA NA 29.75 1007.5
08:10 AM MDT G 31.1 10.00 Cloudy -- 32.0 24.8 74% NA NA 29.75 1007.5
07:57 AM MDT G 32.2 10.00 Cloudy -- 32.0 24.8 74% NA NA 29.75 1007.5
07:47 AM MDT 23.0 G 34.4 9.00 Cloudy and Windy -- 32.0 26.6 80% 19.2 NA 29.74 1007.1
07:31 AM MDT G 30.0 10.00 Light Snow -- 32.0 26.6 80% NA NA 29.72 1006.4
07:28 AM MDT G 33.3 10.00 Cloudy -- 32.0 26.6 80% NA NA 29.72 1006.4
07:18 AM MDT G 29.9 10.00 Cloudy -- 32.0 26.6 80% NA NA 29.71 1006.1
07:03 AM MDT 27.6 G 36.8 10.00 Cloudy and Breezy -- 32.0 26.6 80% 18.1 NA 29.70 1005.8
06:56 AM MDT G 35.8 10.00 Cloudy -- 32.0 26.6 80% NA NA 29.70 1005.8
06:47 AM MDT G 33.3 10.00 Cloudy -- 32.0 28.4 86% NA NA 29.69 1005.4
06:29 AM MDT 21.9 G 27.6 10.00 Cloudy and Windy -- 32.0 28.4 86% 19.4 NA 29.69 1005.4
06:18 AM MDT W 20.8 G 32.2 10.00 Cloudy and Windy -- 32.0 28.4 86% 19.8 NA 29.68 1005.1
06:08 AM MDT W 24.2 G 34.4 10.00 Cloudy and Windy -- 32.0 28.4 86% 18.9 NA 29.68 1004.8
05:56 AM MDT G 35.7 10.00 Cloudy -- 32.0 28.4 86% NA NA 29.66 1004.4
05:45 AM MDT W 27.7 G 41.4 10.00 Light Drizzle -- 32.0 30.2 93% 18.1 NA 29.66 1004.4
05:39 AM MDT G 36.9 10.00 Light Drizzle -- 32.0 30.2 93% NA NA 29.66 1004.4
05:22 AM MDT G 36.8 10.00 Cloudy -- 33.8 30.2 86% NA NA 29.65 1004.1
05:12 AM MDT W 25.3 G 34.5 10.00 Cloudy and Breezy -- 33.8 30.2 86% 21.0 NA 29.65 1004.1
05:04 AM MDT W 28.9 G 38.0 10.00 Light Rain -- 33.8 32.0 93% 20.3 NA 29.65 1004.1
04:48 AM MDT 28.9 G 38.0 10.00 Light Rain -- 35.6 32.0 87% 22.6 NA 29.63 1003.4
04:23 AM MDT G 39.1 8.00 Light Drizzle -- 35.6 33.8 93% NA NA 29.62 1003.0
04:18 AM MDT W 26.4 G 36.9 8.00 Drizzle -- 35.6 33.8 93% 23.2 NA 29.62 1003.1
04:01 AM MDT W 23.0 G 35.8 10.00 Light Drizzle -- 35.6 33.8 93% 23.9 NA 29.62 1003.1

Regional Weather Observation

ECHO (K1EM)

Cloudy
32.0 F

(KLWT)


F

DELTA (K1DM)

Light Rain
32.0 F

N BAR RANCH (KMVH)

Mostly Cloudy and Windy
37.4 F

CHARLIE (K1CM)

Light Snow and Fog/Mist
28.4 F

BRAVO (K1BM)

Light Snow
30.7 F
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