GRASSY BUTTE, ND 58634 Weather Forecast & Current Conditions
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  58634 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

SIDNEY, MT
Current Weather
10:56 PM MDT JUN 8, 2026
Clear
54°F
Feels Like: 54°F
Dewpoint: 43°F
Rel. Hum.: 66%
Visibility: 10 miles
Wind: NNW at 3 mph
Pressure: 29.84 inches
Last 72 hours

Local Area Snow Depth

Montana Current Weather

Montana MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  58634 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

GRASSY BUTTE, ND 58634
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly clear late in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 30 percent.
TUESDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 15 to 20 mph, becoming southwest in the afternoon. Chance of rain 30 percent.
TUESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 50s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent.
WEDNESDAY
Partly sunny with a 30 percent chance of showers. Windy, cooler. Highs in the upper 60s. West winds 15 to 20 mph, increasing to 25 to 30 mph in the afternoon.
WEDNESDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely after midnight. Lows in the upper 40s. West winds 20 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent.
THURSDAY
Mostly cloudy with showers likely in the morning, then partly sunny with a chance of showers and a slight chance of thunderstorms in the afternoon. Windy. Highs in the upper 60s. Chance of rain 70 percent.
THURSDAY NIGHT
Partly cloudy. Lows in the upper 40s.
FRIDAY
Mostly sunny. Highs in the lower 70s.
FRIDAY NIGHT
Partly cloudy. Lows in the mid 40s.
SATURDAY
Mostly sunny. A slight chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 20 percent.
SATURDAY NIGHT
Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 40s. Chance of rain 20 percent.
SUNDAY
Decreasing clouds. A 20 percent chance of showers. Highs in the upper 60s.
SUNDAY NIGHT
Mostly cloudy. Lows in the upper 40s.

  58634 WEATHER SATELLITE LOOPS
Visible Weather Satellite
GRASSY BUTTE, ND 58634
Infrared Weather Satellite
GRASSY BUTTE, ND 58634
  58634 WEATHER RADAR LOOP
NEXRAD Weather Radar
GRASSY BUTTE, ND 58634
 MOS COMPUTER WEATHER FORECAST

SIDNEY, MT 3 hourly weather forecast
weather forecast created  5:00 PM PDT  6/ 8/2026
Tuesday
9 JUN 2026		 GRASSY BUTTE, ND 58634 weather forecast Day 1, 0 hours 12 AM 57° 57° Partly Cloudy 22%
RAIN
<.01 in		 0% Thunder
( 19% severe)		 SE   5 49% 38°
Low 55° GRASSY BUTTE, ND 58634 weather forecast Day 1, 3 hours 3 AM 56° 55° Mostly Cloudy ESE   6 59% 42°
High 86° GRASSY BUTTE, ND 58634 weather forecast Day 1, 6 hours 6 AM 56° 53° Mostly Cloudy 7%

 0% Thunder
( 11% severe)		 SE   10 77% 49°

Mostly Cloudy



 GRASSY BUTTE, ND 58634 weather forecast Day 1, 9 hours 9 AM 69° 69° Mostly Cloudy SE   14 66% 57°
GRASSY BUTTE, ND 58634 weather forecast Day 1, 12 hours 12 PM 81° 82° Mostly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 30% severe)		 S   14 49% 60°
GRASSY BUTTE, ND 58634 weather forecast Day 1, 15 hours 3 PM 83° 82° Mostly Cloudy WSW   17 38% 55°
GRASSY BUTTE, ND 58634 weather forecast Day 1, 18 hours 6 PM 79° 79° Partly Cloudy 6%

 0% Thunder
( 21% severe)		 W   20 36% 50°
GRASSY BUTTE, ND 58634 weather forecast Day 1, 21 hours 9 PM 68° 68° Mostly Cloudy WNW   10 49% 48°
Wednesday
10 JUN 2026		 GRASSY BUTTE, ND 58634 weather forecast Day 2, 0 hours 12 AM 62° 61° Mostly Cloudy 9%

 0% Thunder
( 5% severe)		 W   8 56% 46°
Low 52° GRASSY BUTTE, ND 58634 weather forecast Day 2, 3 hours 3 AM 58° 56° Mostly Cloudy W   12 62% 45°
High 70° GRASSY BUTTE, ND 58634 weather forecast Day 2, 6 hours 6 AM 55° 51° Mostly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 0% severe)		 W   16 61% 42°

Mostly Cloudy




Breezy		 GRASSY BUTTE, ND 58634 weather forecast Day 2, 9 hours 9 AM 61° 58° Mostly Cloudy W   20 50% 42°
GRASSY BUTTE, ND 58634 weather forecast Day 2, 12 hours 12 PM 66° 66° Partly Cloudy 9%

 0% Thunder
( 12% severe)		 W   22 42% 42°
GRASSY BUTTE, ND 58634 weather forecast Day 2, 15 hours 3 PM 68° 68° Mostly Cloudy W   24 37% 41°
GRASSY BUTTE, ND 58634 weather forecast Day 2, 18 hours 6 PM 66° 66° Mostly Cloudy 16%
RAIN
<.01 in		 0% Thunder
( 11% severe)		 W   24 40% 41°
GRASSY BUTTE, ND 58634 weather forecast Day 2, 21 hours 9 PM 59° 55° Mostly Cloudy W   21 55% 43°

SIDNEY, MT extended weather forecast
BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE
Low 52° Low 49° Low 47° Low 46° Low 48°
High 70° High 61° High 69° High 69° High 66°
GRASSY BUTTE, ND 58634 weather forecast Day 3 GRASSY BUTTE, ND 58634 weather forecast Day 4 GRASSY BUTTE, ND 58634 weather forecast Day 5 GRASSY BUTTE, ND 58634 weather forecast Day 6 GRASSY BUTTE, ND 58634 weather forecast Day 7
Overcast
40% Rain		 Overcast
71% Rain		 Mostly Cloudy
21% Rain		 Mostly Cloudy
29% Rain		 Overcast
69% Rain
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