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Custer, MT Weather Forecast

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Custer, MT Weather Forecast

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Custer MT weather - Clear - 66°F
Clear
66°F
Updated 10:01 am
Feels Like 56°F
Humidity 32%
Wind N 0 mph
Barometer  29.96 in
Dew Point 35°F
Custer MT weather - Clear - 19°C
Clear
19°C
Updated 10:01 am
Feels Like 14°C
Humidity 32%
Wind N 0 km/h
Barometer  101.4 kPa
Dew Point 2°C
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Custer Weather Forecast

TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT
Custer, MT Weather - Today Sunny Custer, MT Weather - Tonight Mostly Clear Custer, MT Weather - Friday Mostly Sunny Custer, MT Weather - Friday Night Chance Of Showers Custer, MT Weather - Saturday Clouds Custer, MT Weather - Saturday Night Chance Of Showers Custer, MT Weather - Sunday Chance Of T-Storm Custer, MT Weather - Sunday Night Chance Of T-Storm Custer, MT Weather - Monday Clouds Custer, MT Weather - Monday Night Mostly Clear Custer, MT Weather - Tuesday Mostly Sunny Custer, MT Weather - Tuesday Night Partly Cloudy
Sunny Mostly Clear Mostly Sunny Chance of Showers Clouds Chance of Showers Chance of T-Storm Chance of T-Storm Clouds Mostly Clear Mostly Sunny Partly Cloudy
Hi: 89°FHi: 32°C
 Lo: 55°FLo: 13°C Hi: 70°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
 Lo: 45°FLo: 7°C Hi: 69°FHi: 21°C
 Lo: 41°FLo: 5°C Hi: 65°FHi: 18°C
 Lo: 40°FLo: 4°C Hi: 69°FHi: 21°C
 Lo: 41°FLo: 5°C
POP: 30% POP: 50% POP: 50% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 507 AM MDT Thu Sep 10 2026 Custer, MT Weather - WeatherWorld.com

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Issued: 501 AM MDT Thu Sep 10 2026

Key Messages

  • Elevated to critical fire weather conditions today. Winds will be strongest over the foothills west of Billings.
  • A pattern change brings cooler temperatures and multiple chances for precipitation Friday through the weekend, including mountain snow.
  • Chance (40-60%) for foothills locations to see their first frost Monday morning.

Discussion

... Next 7 Days...

Another day of summer like weather is in store for our region before we get our first taste of fall. Today, ahead of the cold front...