Geraldine, MT Weather Forecast & Alerts

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

Current Conditions — Geraldine, MT

FORT BENTON (K79S)

Mostly Cloudy and Windy

45.7 F
Humidity:31%
Wind Speed:NW 19.6 G 27.6 mph
Barometer:29.86 in
Dewpoint:16.9 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:37.9 F
Apr 23 2026, 03:15 PM MDT
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5-Day Forecast — Geraldine, MT

Thursday

High 42 °F
Snow Likely
Thursday
Night
Low 24 °F
Snow Likely
Friday

High 37 °F
Snow Likely
Friday
Night
Low 23 °F
Chance of Snow
Saturday

High 41 °F
Chance of Snow
Saturday
Night
Low 21 °F
Chance of Snow
Sunday

High 42 °F
Chance of Rain
Sunday
Night
Low 26 °F
Chance of Rain
Monday

High 51 °F
Forecast Missing

Detailed Forecast — Geraldine, MT

Thursday
Snow Likely. High near 42°F. Wind 20 to 25 mph, with gusts as high as 33 mph.
Thursday Night
Snow Likely. Low around 24°F. Wind 14 to 21 mph, with gusts as high as 30 mph.
Friday
Snow Likely. High near 37°F. Wind 24 to 31 mph, with gusts as high as 43 mph.
Friday Night
Chance of Snow. Low around 23°F. Wind 13 to 24 mph, with gusts as high as 36 mph.
Saturday
Chance of Snow. High near 41°F. Wind 10 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Chance of Snow. Low around 21°F. Wind around 5 mph, with gusts as high as 7 mph.
Sunday
Chance of Rain. High near 42°F. Wind 9 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Chance of Rain. Low around 26°F. Wind 3 to 6 mph, with gusts as high as 8 mph.
Monday
Forecast Missing. High near 51°F. Wind around 6 mph, with gusts as high as 10 mph.
Monday Night
Forecast Missing. Low around 32°F. Wind around 6 mph, with gusts as high as 9 mph.
Tuesday
Forecast Missing. High near 59°F. Wind 10 to 12 mph, with gusts as high as 17 mph.
Tuesday Night
Forecast Missing. Low around 35°F. Wind around 5 mph, with gusts as high as 7 mph.
Wednesday
Forecast Missing. High near 57°F. Wind 10 to 12 mph, with gusts as high as 17 mph.
MT Radar
Current Radar • MT
Day 1 Outlook • April 23, 2026

Observation History — Geraldine, 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)
03:15 PM MDT NW 19.6 G 27.6 10.00 Mostly Cloudy and Windy -- 45.7 16.9 31% 37.9 NA 29.86 1011.2
02:55 PM MDT 19.6 G 28.8 10.00 Mostly Cloudy and Windy -- 46.4 17.8 32% 39.0 NA 29.86 1011.2
02:35 PM MDT 21.9 G 28.8 10.00 Mostly Cloudy and Windy -- 45.0 18.5 34% 36.7 NA 29.86 1011.2
01:55 PM MDT NW 20.7 G 26.5 10.00 Cloudy and Windy -- 44.2 17.8 34% 36.0 NA 29.87 1011.5
01:35 PM MDT NW 23.0 G 32.2 10.00 Mostly Cloudy and Windy -- 43.0 18.7 37% 33.8 NA 29.87 1011.5
01:15 PM MDT 20.7 G 28.8 10.00 Cloudy and Windy -- 43.2 18.0 36% 34.5 NA 29.88 1011.9
12:55 PM MDT NW 19.6 G 29.9 10.00 Mostly Cloudy and Windy -- 44.1 19.0 36% 36.0 NA 29.88 1011.9
12:35 PM MDT G 31.1 10.00 Partly Cloudy -- NULL % NA NA M
12:15 PM MDT NW 23.0 G 29.9 10.00 Mostly Clear and Windy -- 44.1 19.2 37% 35.2 NA 29.88 1011.9
11:55 AM MDT 23.0 G 27.6 9.00 Clear and Windy -- 42.6 18.1 37% 33.3 NA 29.89 1012.2
11:35 AM MDT 21.9 G 28.8 9.00 Mostly Clear and Windy -- 42.4 19.4 39% 33.3 NA 29.89 1012.2
10:55 AM MDT 19.6 10.00 Mostly Clear and Windy -- 41.0 21.0 45% 31.8 NA 29.89 1012.2
10:35 AM MDT G 29.9 10.00 Mostly Cloudy -- 40.6 21.9 47% NA NA 29.89 1012.2
10:15 AM MDT G 26.5 10.00 Cloudy -- NULL % NA NA M
09:55 AM MDT NW 21.9 G 26.5 10.00 Mostly Cloudy and Windy -- 38.7 21.2 49% 28.2 NA 29.89 1012.2
09:35 AM MDT 20.7 G 27.6 10.00 Mostly Cloudy and Windy -- 38.3 21.9 51% 28.0 NA 29.89 1012.2
09:15 AM MDT NW 16.1 10.00 Mostly Cloudy -- 36.5 22.1 56% 27.0 NA 29.89 1012.2
08:55 AM MDT NW 16.1 10.00 Cloudy -- 36.0 22.1 57% 26.2 NA 29.89 1012.2
08:35 AM MDT NW 16.1 9.00 Cloudy -- 35.2 23.2 61% 25.3 NA 29.88 1011.9
08:15 AM MDT NW 17.3 G 23.0 10.00 Cloudy -- 35.2 24.8 65% 25.0 NA 29.88 1011.9
07:55 AM MDT NW 13.8 9.00 Cloudy -- 35.1 26.4 70% 25.9 NA 29.87 1011.5
07:35 AM MDT NW 12.7 9.00 Cloudy -- 34.9 26.8 72% 26.1 NA 29.86 1011.2
07:15 AM MDT NW 12.7 10.00 Cloudy -- 35.1 27.7 74% 26.4 NA 29.84 1010.5
06:55 AM MDT NW 16.1 10.00 Cloudy -- 35.4 28.0 74% 25.5 NA 29.83 1010.2

Regional Weather Observation

FORT BENTON (K79S)

Mostly Cloudy and Windy
45.7 F

BRAVO (K1BM)

Light Snow
30.7 F

ALPHA (K1AM)

Light Snow
30.2 F

CHARLIE (K1CM)

Light Snow and Fog/Mist
28.4 F

MALMSTROM AFB (KGFA)

Mostly Cloudy
42.1 F

DELTA (K1DM)

Light Rain
32.0 F
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