Winston, MT Weather Forecast & Alerts

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

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Current Conditions — Winston, MT

HELENA (KHLN)

Mostly Cloudy

30.2 F
Humidity:64%
Wind Speed: 0.0 mph
Barometer: in
Dewpoint:19.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 27 2026, 09:20 AM MDT
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5-Day Forecast — Winston, MT

Monday

High 48 °F
Chance of Snow
Monday
Night
Low 30 °F
Chance of Rain
Tuesday

High 55 °F
Forecast Missing
Tuesday
Night
Low 35 °F
Forecast Missing
Wednesday

High 57 °F
Forecast Missing
Wednesday
Night
Low 35 °F
Forecast Missing
Thursday

High 62 °F
Forecast Missing
Thursday
Night
Low 39 °F
Forecast Missing
Friday

High 69 °F
Forecast Missing

Detailed Forecast — Winston, MT

Monday
Chance of Snow. High near 48°F. Wind 2 to 5 mph, with gusts as high as 9 mph.
Monday Night
Chance of Rain. Low around 30°F. Wind 1 to 2 mph, with gusts as high as 7 mph.
Tuesday
Chance of Rain. High near 55°F. Wind 2 to 12 mph, with gusts as high as 22 mph.
Tuesday Night
Forecast Missing. Low around 35°F. Wind 2 to 12 mph, with gusts as high as 22 mph.
Wednesday
Forecast Missing. High near 57°F. Wind 2 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Forecast Missing. Low around 35°F. Wind 1 to 2 mph, with gusts as high as 7 mph.
Thursday
Forecast Missing. High near 62°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Thursday Night
Forecast Missing. Low around 39°F. Wind around 3 mph, with gusts as high as 8 mph.
Friday
Forecast Missing. High near 69°F. Wind 7 to 9 mph, with gusts as high as 17 mph.
Friday Night
Forecast Missing. Low around 41°F. Wind around 5 mph, with gusts as high as 8 mph.
Saturday
Forecast Missing. High near 64°F. Wind 9 to 18 mph, with gusts as high as 31 mph.
Saturday Night
Forecast Missing. Low around 42°F. Wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday
Forecast Missing. High near 62°F. Wind 7 to 16 mph, with gusts as high as 28 mph.
MT Radar
Current Radar • MT
Day 1 Outlook • April 27, 2026

Observation History — Winston, 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)
09:20 AM MDT 0.0 10.00 Mostly Cloudy -- 30.2 19.4 64% NA NA M
09:15 AM MDT 0.0 10.00 Mostly Cloudy -- 30.2 19.4 64% NA NA M
09:10 AM MDT 4.6 10.00 Cloudy -- 30.2 19.4 64% 25.3 NA M
09:05 AM MDT 4.6 10.00 Cloudy -- 30.2 19.4 64% 25.3 NA M
09:00 AM MDT 0.0 10.00 Cloudy -- 30.2 19.4 64% NA NA M
08:50 AM MDT NW 3.4 10.00 Cloudy -- 30.2 19.4 64% 26.6 NA M
08:45 AM MDT 3.4 10.00 Cloudy -- 30.2 19.4 64% 26.6 NA M
08:35 AM MDT 0.0 10.00 Cloudy -- 30.2 19.4 64% NA NA M
08:30 AM MDT 4.6 10.00 Cloudy -- 30.2 19.4 64% 25.3 NA M
08:20 AM MDT 4.6 10.00 Cloudy -- 30.2 19.4 64% 25.3 NA M
08:15 AM MDT 4.6 10.00 Cloudy -- 30.2 19.4 64% 25.3 NA M
08:10 AM MDT 4.6 10.00 Cloudy -- 30.2 19.4 64% 25.3 NA M
08:05 AM MDT 5.7 10.00 Cloudy -- 30.2 19.4 64% 24.3 NA M
08:00 AM MDT 5.7 10.00 Cloudy -- 30.2 19.4 64% 24.3 NA M
07:45 AM MDT 3.4 10.00 Cloudy -- 28.4 19.4 69% 24.6 NA M
07:40 AM MDT NW 3.4 10.00 Cloudy -- 28.4 19.4 69% 24.6 NA M
07:35 AM MDT NW 4.6 10.00 Cloudy -- 30.2 19.4 64% 25.3 NA M
07:30 AM MDT NW 4.6 10.00 Cloudy -- 28.4 19.4 69% 23.2 NA M
07:25 AM MDT W 5.7 10.00 Cloudy -- 28.4 19.4 69% 22.1 NA M
07:20 AM MDT 5.7 10.00 Cloudy -- 28.4 19.4 69% 22.1 NA M
07:10 AM MDT 5.7 10.00 Cloudy -- 28.4 19.4 69% 22.1 NA M
07:05 AM MDT 5.7 10.00 Cloudy -- 28.4 19.4 69% 22.1 NA M
06:50 AM MDT W 4.6 10.00 Cloudy -- 28.4 19.4 69% 23.2 NA M
06:45 AM MDT 5.7 10.00 Cloudy -- 28.4 19.4 69% 22.1 NA M

Regional Weather Observation

HELENA (KHLN)

Mostly Cloudy
30.2 F

(K7S6)


F

GREAT FALLS (KGTF)

Cloudy
28.4 F

MALMSTROM AFB (KGFA)

Mostly Cloudy
27.0 F

BUTTE (KBTM)

Cloudy
30.2 F

BOZEMAN (KBZN)

Light Snow
30.2 F
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