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Big Sandy MT Weather - Mostly Clear - 49°F
Mostly Clear
49°F
Updated 10:51 pm
Feels Like 48°F
Humidity 77%
Wind E 5 mph
Barometer  30.1 in
Dew Point 42°F
Big Sandy MT Weather - Mostly Clear - 9°C
Mostly Clear
9°C
Updated 10:51 pm
Feels Like 9°C
Humidity 77%
Wind E 8 km/h
Barometer  101.9 kPa
Dew Point 6°C
Big Sandy, MT Weather and Current Conditionsbig sandy mt weather forecast

Big Sandy, MT Weather Forecast

Big Sandy Montana WeatherBig Sandy, Montana Weather Weather Forecast
14 day API Big Sandy, MT weather forecast. Note. Our 7-day weather forecast for Big Sandy, Montana is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Big Sandy, MT Weather Forecast Dated: 1051 PM Sat Sep 12 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.

Saturday, September 12, 2026

Mid-Morning
Big Sandy Weather - 2026-09-12 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Big Sandy Weather - 2026-09-12 - Afternoon - Overcast
57°F 14°C
Overcast
Early-Evening
Big Sandy Weather - 2026-09-12 - Evening - Overcast
55°F 13°C
Overcast
Brisk around 57°F 14°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the E to the NE at 5 mph 8 km/h.

Sunday, September 13, 2026

Mid-Morning
Big Sandy Weather - 2026-09-13 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Big Sandy Weather - 2026-09-13 - Afternoon - Partly Cloudy
71°F 21°C
Partly Cloudy
Early-Evening
Big Sandy Weather - 2026-09-13 - Evening - Sunny
65°F 18°C
Sunny
Comfortable with temperatures reaching 71°F 21°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds tapering down from ESE 23 mph 37 km/h to NW 11 mph 18 km/h.

Monday, September 14, 2026

Mid-Morning
Big Sandy Weather - 2026-09-14 - Morning - Scattered Showers
50°F 10°C
Scattered Showers
Mid-Afternoon
Big Sandy Weather - 2026-09-14 - Afternoon - Scattered Showers
54°F 12°C
Scattered Showers
Early-Evening
Big Sandy Weather - 2026-09-14 - Evening - Scattered Showers
53°F 12°C
Scattered Showers
Chilly near 54°F 12°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds decreasing from W 23 mph 37 km/h to NNW 14 mph 22 km/h. Gusts up to 21 mph 33 km/h.

Tuesday, September 15, 2026

Mid-Morning
Big Sandy Weather - 2026-09-15 - Morning - Overcast
50°F 10°C
Overcast
Mid-Afternoon
Big Sandy Weather - 2026-09-15 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Big Sandy Weather - 2026-09-15 - Evening - Overcast
60°F 16°C
Overcast
Cool with a high near 64°F 18°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds picking up from ESE at 9 mph 14 km/h to ESE at 22 mph 36 km/h. Gusts up to 32 mph 52 km/h.

Wednesday, September 16, 2026

Mid-Morning
Big Sandy Weather - 2026-09-16 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Big Sandy Weather - 2026-09-16 - Afternoon - Sunny
67°F 19°C
Sunny
Early-Evening
Big Sandy Weather - 2026-09-16 - Evening - Sunny
67°F 19°C
Sunny
Refreshing around 67°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the SE to the ESE at 9 mph 15 km/h.

Thursday, September 17, 2026

Mid-Morning
Big Sandy Weather - 2026-09-17 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Big Sandy Weather - 2026-09-17 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Big Sandy Weather - 2026-09-17 - Evening - Sunny
68°F 20°C
Sunny
Pleasant near 73°F 23°C, sunny throughout the day, with lower humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Big Sandy Weather - 2026-09-18 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Big Sandy Weather - 2026-09-18 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
Big Sandy Weather - 2026-09-18 - Evening - Sunny
74°F 23°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Big Sandy Weather - 2026-09-19 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Big Sandy Weather - 2026-09-19 - Afternoon - Cloudy
82°F 28°C
Cloudy
Early-Evening
Big Sandy Weather - 2026-09-19 - Evening - Overcast
77°F 25°C
Overcast
Quite warm around 82°F 28°C, overcast throughout the day, with lower humidity and barometric pressure falling.

Sunday, September 20, 2026

Mid-Morning
Big Sandy Weather - 2026-09-20 - Morning - Overcast
67°F 19°C
Overcast
Mid-Afternoon
Big Sandy Weather - 2026-09-20 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Big Sandy Weather - 2026-09-20 - Evening - Overcast
72°F 23°C
Overcast
Warm temperatures up to 82°F 28°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds turning from the W to the NNW at 12 mph 20 km/h.

Monday, September 21, 2026

Mid-Morning
Big Sandy Weather - 2026-09-21 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Big Sandy Weather - 2026-09-21 - Afternoon - Partly Cloudy
71°F 21°C
Partly Cloudy
Early-Evening
Big Sandy Weather - 2026-09-21 - Evening - Sunny
68°F 20°C
Sunny
Mild with a high of 71°F 21°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds switching from the NNW to the ENE at 5 mph 8 km/h.

Tuesday, September 22, 2026

Mid-Morning
Big Sandy Weather - 2026-09-22 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Big Sandy Weather - 2026-09-22 - Afternoon - Overcast
74°F 24°C
Overcast
Early-Evening
Big Sandy Weather - 2026-09-22 - Evening - Sunny
68°F 20°C
Sunny
Pleasant near 74°F 24°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds tapering down from ESE 16 mph 26 km/h to WSW 4 mph 7 km/h.

Wednesday, September 23, 2026

Mid-Morning
Big Sandy Weather - 2026-09-23 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Big Sandy Weather - 2026-09-23 - Afternoon - Overcast
74°F 24°C
Overcast
Early-Evening
Big Sandy Weather - 2026-09-23 - Evening - Overcast
71°F 22°C
Overcast
Comfortable with temperatures reaching 74°F 24°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds increasing from the NNW at 5 mph 9 km/h to ESE at 17 mph 27 km/h. Gusts up to 28 mph 45 km/h.

Thursday, September 24, 2026

Mid-Morning
Big Sandy Weather - 2026-09-24 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Big Sandy Weather - 2026-09-24 - Afternoon - Cloudy
89°F 32°C
Cloudy
Early-Evening
Big Sandy Weather - 2026-09-24 - Evening - Cloudy
82°F 28°C
Cloudy
Quite warm around 89°F 32°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds shifting from the SE to the ESE at 14 mph 22 km/h. Gusts up to 22 mph 34 km/h.

Friday, September 25, 2026

Mid-Morning
Big Sandy Weather - 2026-09-25 - Morning - Overcast
67°F 20°C
Overcast
Mid-Afternoon
Big Sandy Weather - 2026-09-25 - Afternoon - Light Showers
47°F 8°C
Light Showers
Early-Evening
Big Sandy Weather - 2026-09-25 - Evening - Overcast
48°F 9°C
Overcast
Cool and brisk at 47°F 8°C, clouds building with afternoon showers likely, with increasing humidity and barometric pressure rising. Winds turning from the W to the ESE at 11 mph 18 km/h.

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Weather by the Numbers

Sat, 12th
Big Sandy MT Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 58°F 14°C
Lo: 42°F 5°C
Sunrise 06:53 AM
Sunset 07:39 PM
Wind ESE 11 mph17 km/h
Dew Point 47°F9°C
uv Index 2
Barometric Pressure 30.06 in1018 mb
POP 23% *
Humidity 79%
Sun, 13th
Big Sandy MT Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 75°F 24°C
Lo: 44°F 7°C
Sunrise 06:55 AM
Sunset 07:37 PM
Wind SE 31 mph50 km/h
Dew Point 38°F3°C
uv Index 4
Barometric Pressure 29.83 in1010 mb
POP 9% *
Humidity 40%
Mon, 14th
Big Sandy MT Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 57°F 14°C
Lo: 48°F 9°C
Sunrise 06:56 AM
Sunset 07:34 PM
Wind WNW 30 mph48 km/h
Dew Point 40°F5°C
uv Index 1
Barometric Pressure 29.8 in1009 mb
POP 18% *
Humidity 60%
Tue, 15th
Big Sandy MT Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 65°F 18°C
Lo: 44°F 7°C
Sunrise 06:57 AM
Sunset 07:32 PM
Wind ESE 14 mph23 km/h
Dew Point 38°F4°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 11% *
Humidity 46%
Wed, 16th
Big Sandy MT Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 71°F 22°C
Lo: 50°F 10°C
Sunrise 06:59 AM
Sunset 07:30 PM
Wind SSE 11 mph18 km/h
Dew Point 42°F6°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 2% *
Humidity 49%
Thu, 17th
Big Sandy MT Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 73°F 23°C
Lo: 53°F 12°C
Sunrise 07:00 AM
Sunset 07:28 PM
Wind SSW 3 mph5 km/h
Dew Point 40°F4°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 36%
Fri, 18th
Big Sandy MT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 79°F 26°C
Lo: 57°F 14°C
Sunrise 07:02 AM
Sunset 07:26 PM
Wind SSE 4 mph7 km/h
Dew Point 38°F3°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 0% *
Humidity 28%
Sat, 19th
Big Sandy MT Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 82°F 28°C
Lo: 60°F 16°C
Sunrise 07:03 AM
Sunset 07:24 PM
Wind WSW 4 mph7 km/h
Dew Point 32°F0°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 21%
Sun, 20th
Big Sandy MT Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 82°F 28°C
Lo: 64°F 18°C
Sunrise 07:04 AM
Sunset 07:22 PM
Wind WNW 16 mph26 km/h
Dew Point 37°F3°C
uv Index 7
Barometric Pressure 29.74 in1007 mb
POP 0% *
Humidity 22%
Mon, 21st
Big Sandy MT Weather - Monday, Sep 21, 2026 - Sunny
Hi: 71°F 22°C
Lo: 55°F 13°C
Sunrise 07:06 AM
Sunset 07:20 PM
Wind NW 9 mph14 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 48%
Tue, 22nd
Big Sandy MT Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 74°F 24°C
Lo: 59°F 15°C
Sunrise 07:07 AM
Sunset 07:18 PM
Wind SE 14 mph23 km/h
Dew Point 45°F7°C
uv Index 4
Barometric Pressure 29.8 in1009 mb
POP 10% *
Humidity 44%
Wed, 23rd
Big Sandy MT Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 74°F 24°C
Lo: 52°F 11°C
Sunrise 07:09 AM
Sunset 07:16 PM
Wind SSW 2 mph4 km/h
Dew Point 45°F7°C
uv Index 4
Barometric Pressure 29.88 in1012 mb
POP 11% *
Humidity 49%
Thu, 24th
Big Sandy MT Weather - Thursday, Sep 24, 2026 - Cloudy
Hi: 89°F 32°C
Lo: 59°F 15°C
Sunrise 07:10 AM
Sunset 07:14 PM
Wind SE 14 mph23 km/h
Dew Point 31°F-1°C
uv Index 6
Barometric Pressure 29.68 in1005 mb
POP 5% *
Humidity 17%
Fri, 25th
Big Sandy MT Weather - Friday, Sep 25, 2026 - Patchy Rain Nearby
Hi: 74°F 23°C
Lo: 47°F 8°C
Sunrise 07:11 AM
Sunset 07:11 PM
Wind SSE 5 mph9 km/h
Dew Point 38°F3°C
uv Index 2
Barometric Pressure 30.36 in1028 mb
POP 17% *
Humidity 64%
* POP = Probability of Precipitation. Data for 12:00 PM.