BUFFALO, MT 59418 Weather Forecast & Current Conditions

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LEWISTOWN, MT
Current Weather

7:54 PM MDT JUN 8, 2026
Clear
64°F
Feels Like: 64°F
Dewpoint: 36°F
Rel. Hum.: 35%
Visibility: 10 miles
Wind: ESE at 7 mph
Pressure: 29.79 inches
Last 72 hours

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BUFFALO, MT 59418
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TODAY
Partly cloudy. Haze. Highs 75 to 85. Southeast winds 5 to 15 mph.
TONIGHT
Cloudy with a 20 percent chance of rain showers. Haze through the night. Lows 50 to 60. North winds 5 to 15 mph.
WEDNESDAY
Mostly cloudy with a 20 percent chance of rain showers. Haze. Highs 65 to 75. Northwest winds 5 to 15 mph.
WEDNESDAY NIGHT
Cooler. Partly cloudy. Lows 45 to 50. North winds 5 to 10 mph shifting to the south after midnight.
THURSDAY
Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 70 to 80. Southeast winds up to 10 mph.
THURSDAY NIGHT AND FRIDAY
Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Highs 65 to 75. Chance of precipitation 50 percent.
FRIDAY NIGHT
Partly cloudy. Lows 45 to 50.
SATURDAY
Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 75.
SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of rain showers. Lows 45 to 50.
SUNDAY
Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 75.
SUNDAY NIGHT
Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50.
MONDAY
Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 75.

Visible Weather Satellite
BUFFALO, MT 59418
Infrared Weather Satellite
BUFFALO, MT 59418
NEXRAD Weather Radar
BUFFALO, MT 59418

LEWISTOWN, MT 3 hourly weather forecast

weather forecast created  5:00 AM PDT  6/ 8/2026
Monday
8 JUN 2026
BUFFALO, MT 59418 weather forecast Day 1, 12 hours 12 PM 62° 61° Partly Cloudy 0%

0% Thunder
( 2% severe)
WSW   8 25% 26°
High 69° BUFFALO, MT 59418 weather forecast Day 1, 15 hours 3 PM 67° 67° Clear SW   10 24% 29°
Partly Cloudy



BUFFALO, MT 59418 weather forecast Day 1, 18 hours 6 PM 68° 68° Clear 2%

0% Thunder
( 5% severe)
SSW   8 27% 33°
BUFFALO, MT 59418 weather forecast Day 1, 21 hours 9 PM 59° 57° Mostly Cloudy SE   12 44% 37°
Tuesday
9 JUN 2026
BUFFALO, MT 59418 weather forecast Day 2, 0 hours 12 AM 54° 50° Mostly Cloudy 5%

0% Thunder
( 3% severe)
SE   14 48% 35°
Low 46° BUFFALO, MT 59418 weather forecast Day 2, 3 hours 3 AM 51° 48° Mostly Cloudy ESE   7 59% 37°
High 68° BUFFALO, MT 59418 weather forecast Day 2, 6 hours 6 AM 50° 48° Overcast 5%

0% Thunder
( 2% severe)
SSW   6 66% 39°

Mostly Cloudy

Rain Likely

BUFFALO, MT 59418 weather forecast Day 2, 9 hours 9 AM 59° 57° Mostly Cloudy W   10 55% 43°
BUFFALO, MT 59418 weather forecast Day 2, 12 hours 12 PM 65° 65° Mostly Cloudy 52%
RAIN
1–2 in
0% Thunder
( 31% severe)
WNW   13 41% 41°
BUFFALO, MT 59418 weather forecast Day 2, 15 hours 3 PM 64° 63° Mostly Cloudy WNW   12 45% 42°
BUFFALO, MT 59418 weather forecast Day 2, 18 hours 6 PM 59° 57° Mostly Cloudy 24%
RAIN
.01–.1 in
0% Thunder
( 18% severe)
W   12 55% 43°
BUFFALO, MT 59418 weather forecast Day 2, 21 hours 9 PM 54° 51° Mostly Cloudy W   12 66% 43°
Wednesday
10 JUN 2026
BUFFALO, MT 59418 weather forecast Day 3, 0 hours 12 AM 49° 43° Partly Cloudy 1%

0% Thunder
( 1% severe)
W   15 66% 38°
Low 41° BUFFALO, MT 59418 weather forecast Day 3, 3 hours 3 AM 46° 39° Partly Cloudy WSW   16 65% 35°
High 58° BUFFALO, MT 59418 weather forecast Day 3, 6 hours 6 AM 44° 36° Partly Cloudy 5%

0% Thunder
( 2% severe)
WSW   20 68% 34°

Mostly Cloudy

Chance of Rain


Windy
BUFFALO, MT 59418 weather forecast Day 3, 9 hours 9 AM 50° 42° Partly Cloudy W   29 54% 34°
BUFFALO, MT 59418 weather forecast Day 3, 15 hours 12 PM 54° 48° Mostly Cloudy 35%
RAIN
<.01 in
0% Thunder
( 15% severe)
W   25 45% 33°
BUFFALO, MT 59418 weather forecast Day 3, 18 hours 3 PM 55° 49° Mostly Cloudy WNW   25 47% 35°
BUFFALO, MT 59418 weather forecast Day 3, 21 hours 6 PM 53° 47° Mostly Cloudy     WNW   24 50% 35°

LEWISTOWN, MT extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 40° Low 42° Low 45° Low 40° Low 43°
High 63° High 70° High 62° High 62° High 68°
BUFFALO, MT 59418 weather forecast Day 4 BUFFALO, MT 59418 weather forecast Day 5 BUFFALO, MT 59418 weather forecast Day 6 BUFFALO, MT 59418 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
58% Rain
Clear
14% Rain
Mostly Cloudy
50% Rain
Overcast
63% Rain
Partly Cloudy
43% Rain
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