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Armington, MT Weather Forecast

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Armington, MT Weather Forecast

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Armington MT weather - Mostly Cloudy - 57°F
Mostly Cloudy
57°F
Updated 9:45 am
Feels Like 53°F
Humidity 73%
Wind N 3 mph
Barometer  30.18 in
Dew Point 49°F
Armington MT weather - Mostly Cloudy - 14°C
Mostly Cloudy
14°C
Updated 9:45 am
Feels Like 12°C
Humidity 73%
Wind N 5 km/h
Barometer  102.2 kPa
Dew Point 10°C
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Armington Weather Forecast

TODAY TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY WEDNESDAY THURSDAY THURSDAY NIGHT FRIDAY
Armington, MT Weather - Today Chance Of Rain Armington, MT Weather - Tonight Partly Cloudy Armington, MT Weather - Sunday Mostly Sunny Armington, MT Weather - Sunday Night Mostly Clear Armington, MT Weather - Monday Sunny Armington, MT Weather - Monday Night Mostly Clear Armington, MT Weather - Tuesday Mostly Clear Armington, MT Weather - Wednesday Mostly Clear Armington, MT Weather - Thursday Mostly Clear Armington, MT Weather - Thursday Night Partly Cloudy Armington, MT Weather - Friday Partly Cloudy
Chance of Rain Partly Cloudy Mostly Sunny Mostly Clear Sunny Mostly Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy
Hi: 69°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
 Lo: 49°FLo: 9°C Hi: 79°FHi: 26°C
 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C
POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 336 AM MDT Sat Sep 19 2026 Armington, MT Weather - WeatherWorld.com

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Armington Forecast Discussion

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Issued: 520 AM MDT Sat Sep 19 2026

Key Messages

  • Localized flooding possible in areas with moderate rainfall across parts of central and southwest Montana today.
  • Drier and warmer weather pattern develops for the upcoming week

Discussion

...
  • Meteorological Overview:

    • A vertically stacked mid-upper level low, centered over southern Idaho early this morning, will slowly track east into Wyoming through tonight while gradually weakening. This setup will sustain a deep, anomalously moist easterly flow across southwestern Montana today. Wides...