Geyser, MT Weather Forecast & Alerts

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

Current Conditions — Geyser, MT

ALPHA (K1AM)

Light Snow

30.2 F
Humidity:74%
Wind Speed: G 28.9 mph
Barometer:29.86 in
Dewpoint:23.0 F
Visibility:5.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 08:20 AM MDT
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5-Day Forecast — Geyser, MT

Thursday

High 37 °F
Snow
Thursday
Night
Low 21 °F
Snow
Friday

High 35 °F
Snow
Friday
Night
Low 17 °F
Chance of Snow
Saturday

High 39 °F
Snow Likely
Saturday
Night
Low 19 °F
Snow Likely
Sunday

High 39 °F
Chance of Snow
Sunday
Night
Low 23 °F
Chance of Rain/Snow Mix
Monday

High 48 °F
Chance of Snow

Detailed Forecast — Geyser, MT

Thursday
Snow. High near 37°F. Wind 16 to 22 mph, with gusts as high as 31 mph.
Thursday Night
Snow. Low around 21°F. Wind 12 to 16 mph, with gusts as high as 25 mph.
Friday
Snow. High near 35°F. Wind 20 to 28 mph, with gusts as high as 38 mph.
Friday Night
Chance of Snow. Low around 17°F. Wind 10 to 21 mph, with gusts as high as 32 mph.
Saturday
Snow Likely. High near 39°F. Wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Snow Likely. Low around 19°F. Wind around 5 mph, with gusts as high as 8 mph.
Sunday
Chance of Snow. High near 39°F. Wind 10 to 12 mph, with gusts as high as 17 mph.
Sunday Night
Chance of Rain/Snow Mix. Low around 23°F. Wind 2 to 3 mph, with gusts as high as 8 mph.
Monday
Chance of Snow. High near 48°F. Wind 7 to 8 mph, with gusts as high as 13 mph.
Monday Night
Chance of Rain/Snow Mix. Low around 30°F. Wind around 6 mph, with gusts as high as 12 mph.
Tuesday
Chance of Rain/Snow Mix. High near 55°F. Wind 12 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Forecast Missing. Low around 32°F. Wind around 5 mph, with gusts as high as 8 mph.
Wednesday
Forecast Missing. High near 55°F. Wind around 12 mph, with gusts as high as 18 mph.
MT Radar
Current Radar • MT
Day 1 Outlook • April 23, 2026

Observation History — Geyser, 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)
08:20 AM MDT G 28.9 5.00 Light Snow -- 30.2 23.0 74% NA NA 29.86 1011.2
08:15 AM MDT G 28.9 2.75 Light Snow -- 30.2 24.8 80% NA NA 29.87 1011.5
08:10 AM MDT G 28.9 6.00 Light Snow -- 30.2 23.0 74% NA NA 29.87 1011.5
08:00 AM MDT 8.00 Light Snow -- 30.2 24.8 80% NA NA 29.86 1011.2
07:45 AM MDT 15.0 7.00 Light Snow -- 30.2 26.6 86% 19.2 NA 29.86 1011.2
07:35 AM MDT 2.75 Light Snow and Fog/Mist -- 28.4 26.6 93% NA NA 29.85 1010.8
07:30 AM MDT 2.00 Light Snow and Fog/Mist -- 28.4 26.6 93% NA NA 29.84 1010.5
07:15 AM MDT 13.9 2.50 Light Snow and Fog/Mist -- 30.2 28.4 93% 19.8 NA 29.83 1010.2
07:05 AM MDT 2.25 Light Snow and Fog/Mist -- 30.2 28.4 93% NA NA 29.82 1009.8
06:55 AM MDT 11.4 1.37 Light Snow and Fog/Mist Trace 29.5 28.0 94% 19.9 NA 29.82 1009.8
06:30 AM MDT 1.88 Light Snow and Fog/Mist -- 30.2 28.4 93% NA NA 29.81 1009.5
06:05 AM MDT 1.75 Light Snow and Fog/Mist -- 30.2 26.6 86% NA NA 29.80 1009.1
05:55 AM MDT G 26.5 1.50 Light Snow and Fog/Mist -- 31.3 27.5 86% NA NA 29.79 1008.8
05:50 AM MDT G 26.4 1.25 Light Snow and Fog/Mist -- 32.0 30.2 93% NA NA 29.79 1008.8
05:35 AM MDT 1.75 Light Snow and Fog/Mist -- 32.0 30.2 93% NA NA 29.78 1008.5
05:25 AM MDT 2.00 Light Snow and Fog/Mist -- 32.0 30.2 93% NA NA 29.77 1008.1
05:10 AM MDT 10.3 1.37 Light Snow and Fog/Mist -- 32.0 30.2 93% 23.5 NA 29.76 1007.8
04:55 AM MDT 0.88 Light Snow and Fog/Mist 00.01 32.0 30.7 95% NA NA 29.76 1007.8
04:50 AM MDT 0.88 Light Snow and Fog/Mist -- 32.0 32.0 100% NA NA 29.75 1007.5
04:40 AM MDT 1.00 Light Snow and Fog/Mist -- 32.0 32.0 100% NA NA 29.75 1007.5
04:30 AM MDT G 21.9 1.12 Light Snow and Fog/Mist -- 32.0 32.0 100% NA NA 29.74 1007.1
04:20 AM MDT G 20.8 1.12 Light Snow and Fog/Mist -- 33.8 32.0 93% NA NA 29.74 1007.1
03:55 AM MDT 1.50 Light Snow and Fog/Mist 00.06 33.3 31.5 93% NA NA 29.73 1006.8
03:33 AM MDT G 24.2 2.75 Light Snow and Fog/Mist -- 33.8 32.0 93% NA NA 29.72 1006.4

Regional Weather Observation

ALPHA (K1AM)

Light Snow
30.2 F

BRAVO (K1BM)

Light Snow
30.7 F

FORT BENTON (K79S)

Mostly Cloudy and Windy
43.0 F

CHARLIE (K1CM)

Light Snow and Fog/Mist
28.4 F

MALMSTROM AFB (KGFA)

Cloudy
37.4 F

GREAT FALLS (KGTF)

Cloudy
39.2 F
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