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Sylvan Lake, MT Weather Forecast

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Sylvan Lake, MT Weather Forecast

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Sylvan Lake MT weather - Overcast - 49°F
Overcast
49°F
Updated 1:43 pm
Feels Like 47°F
Humidity 58%
Wind N 0 mph
Barometer  30.21 in
Dew Point 35°F
Sylvan Lake MT weather - Overcast - 9°C
Overcast
9°C
Updated 1:43 pm
Feels Like 9°C
Humidity 58%
Wind N 0 km/h
Barometer  102.3 kPa
Dew Point 2°C
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Sylvan Lake Weather Forecast

TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Sylvan Lake, MT Weather - Tonight Mostly Cloudy Sylvan Lake, MT Weather - Friday Partly Cloudy Sylvan Lake, MT Weather - Friday Night Patchy Fog Sylvan Lake, MT Weather - Saturday Patchy Fog Sylvan Lake, MT Weather - Saturday Night Mostly Clear Sylvan Lake, MT Weather - Sunday Patchy Fog Sylvan Lake, MT Weather - Sunday Night Mostly Clear Sylvan Lake, MT Weather - Monday Mostly Sunny Sylvan Lake, MT Weather - Monday Night Mostly Clear Sylvan Lake, MT Weather - Tuesday Mostly Sunny Sylvan Lake, MT Weather - Tuesday Night Partly Cloudy Sylvan Lake, MT Weather - Wednesday Partly Cloudy
Mostly Cloudy Partly Cloudy Patchy Fog Patchy Fog Mostly Clear Patchy Fog Mostly Clear Mostly Sunny Mostly Clear Mostly Sunny Partly Cloudy Partly Cloudy
Lo: 40°FLo: 4°C Hi: 70°FHi: 21°C
 Lo: 40°FLo: 4°C Hi: 70°FHi: 21°C
 Lo: 35°FLo: 2°C Hi: 76°FHi: 24°C
 Lo: 40°FLo: 4°C Hi: 76°FHi: 24°C
 Lo: 40°FLo: 4°C Hi: 75°FHi: 24°C
 Lo: 40°FLo: 4°C Hi: 75°FHi: 24°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 PM MDT Thu Oct 01 2026 Sylvan Lake, MT Weather - WeatherWorld.com

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Sylvan Lake Forecast Discussion

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Issued: 102 PM MDT Thu Oct 1 2026

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KEY MESSAGES:
  • Warming and drying trend Friday through Sunday; cool/cold valley lows with patchy frost.
  • Westerly winds increase Friday afternoon and Monday with passing disturbances.

Zonal flow aloft will yield to a building high-pressure ridge across the Northern Rockies Friday through Saturday. This will initiate a warming and drying trend, with daytime high temperatures rising roughly 10 to 15 degrees (or more) above seasonal averages this weekend. Strong nocturnal radiational cool...