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)

Cloudy

39.2 F
Humidity:52%
Wind Speed: mph
Barometer: in
Dewpoint:23.0 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 27 2026, 11:35 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)
11:35 AM MDT 10.00 Cloudy -- 39.2 23.0 52% NA NA M
11:30 AM MDT NE 3.4 10.00 Cloudy -- 39.2 23.0 52% 37.0 NA M
11:20 AM MDT 3.4 10.00 Cloudy -- 37.4 23.0 56% 34.9 NA M
11:10 AM MDT E 4.6 10.00 Cloudy -- 37.4 21.2 52% 33.8 NA M
11:05 AM MDT E 4.6 10.00 Cloudy -- 37.4 21.2 52% 33.8 NA M
11:00 AM MDT E 6.9 10.00 Cloudy -- 37.4 23.0 56% 32.0 NA M
10:50 AM MDT 4.6 10.00 Mostly Cloudy -- 35.6 21.2 55% 31.6 NA M
10:45 AM MDT 10.00 Mostly Cloudy -- 37.4 21.2 52% NA NA M
10:35 AM MDT E 5.7 10.00 Mostly Clear -- 35.6 21.2 55% 30.7 NA M
10:25 AM MDT E 6.9 10.00 Mostly Clear -- 35.6 21.2 55% 29.8 NA M
10:20 AM MDT 6.9 10.00 Mostly Clear -- 35.6 21.2 55% 29.8 NA M
10:15 AM MDT NE 3.4 10.00 Clear -- 35.6 21.2 55% 32.9 NA M
10:00 AM MDT 0.0 10.00 Clear -- 33.8 19.4 55% NA NA M
09:50 AM MDT 3.4 10.00 Clear -- 33.8 19.4 55% 30.7 NA M
09:45 AM MDT 3.4 10.00 Clear -- 33.8 19.4 55% 30.7 NA M
09:35 AM MDT 3.4 10.00 Mostly Clear -- 33.8 19.4 55% 30.7 NA M
09:25 AM MDT 0.0 10.00 Partly Cloudy -- 30.2 19.4 64% NA NA M
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

Regional Weather Observation

HELENA (KHLN)

Cloudy
39.2 F

(K7S6)


F

GREAT FALLS (KGTF)

Clear
39.2 F

MALMSTROM AFB (KGFA)

Partly Cloudy
35.8 F

BUTTE (KBTM)

Cloudy
32.0 F

BOZEMAN (KBZN)

Light Snow
33.8 F
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