• Login
  • Premium
  • myVentusky
  • Forecast
  • Wind Animation
    ECMWF, GFS, ICON, GEM
    New: Official Warnings from National Meteorological Institutes Warning

    Roundup

    World / United States / Montana

    46°26'N / 108°32'W / Altitude 984 m / 13:55 2026/04/21, America/Denver (UTC-6)

    Open Radar Map

    Weather for the next 24 hours

    14:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:00 tomorrow01:00 tomorrow02:00 tomorrow03:00 tomorrow04:00 tomorrow05:00 tomorrow06:00 tomorrow07:00 tomorrow08:00 tomorrow09:00 tomorrow10:00 tomorrow11:00 tomorrow12:00 tomorrow13:00 tomorrow14:00 tomorrow
    clear sky
    28 °C
    0 mm
    0 %
    SW
    15 km/h
    clear sky
    28 °C
    0 mm
    0 %
    SW
    13 km/h
    clear sky
    29 °C
    0 mm
    0 %
    SW
    9 km/h
    clear sky
    29 °C
    0 mm
    0 %
    S
    9 km/h
    clear sky with few clouds
    29 °C
    0 mm
    0 %
    SE
    11 km/h
    clear sky
    27 °C
    0 mm
    0 %
    SE
    13 km/h
    high clouds
    24 °C
    0 mm
    0 %
    SE
    16 km/h
    clear sky
    21 °C
    0 mm
    0 %
    S
    16 km/h
    clear sky
    19 °C
    0 mm
    0 %
    SE
    12 km/h
    overcast
    17 °C
    0 mm
    0 %
    S
    7 km/h
    overcast
    16 °C
    0 mm
    0 %
    W
    14 km/h
    overcast
    18 °C
    0 mm
    0 %
    SW
    9 km/h
    overcast
    17 °C
    0 mm
    0 %
    W
    15 km/h
    overcast
    16 °C
    0 mm
    0 %
    NE
    10 km/h
    overcast
    15 °C
    0 mm
    0 %
    SE
    10 km/h
    overcast
    13 °C
    0 mm
    0 %
    W
    11 km/h
    overcast
    12 °C
    0 mm
    0 %
    S
    7 km/h
    overcast
    13 °C
    0 mm
    0 %
    SW
    9 km/h
    overcast
    15 °C
    0 mm
    10 %
    W
    9 km/h
    clear sky
    20 °C
    0 mm
    0 %
    SW
    17 km/h
    clear sky
    22 °C
    0 mm
    0 %
    W
    26 km/h
    clear sky
    24 °C
    0 mm
    10 %
    SW
    23 km/h
    clear sky
    25 °C
    0 mm
    10 %
    SW
    35 km/h
    Gust:
    54 km/h
    overcast
    25 °C
    0 mm
    10 %
    SW
    42 km/h
    Gust:
    58 km/h
    clear sky
    21 °C
    0 mm
    10 %
    W
    52 km/h
    Gust:
    65 km/h

    Forecast

    00:0003:0006:0009:0012:0015:0018:0021:00
    overcast
    16 °C
    0 mm
    0 %
    W
    14 km/h
    overcast
    16 °C
    0 mm
    0 %
    NE
    10 km/h
    overcast
    12 °C
    0 mm
    0 %
    S
    7 km/h
    clear sky
    20 °C
    0 mm
    10 %
    SW
    17 km/h
    clear sky
    25 °C
    0 mm
    10 %
    SW
    35 km/h
    Gust:
    54 km/h
    clear sky
    21 °C
    0 mm
    20 %
    W
    46 km/h
    Gust:
    58 km/h
    clear sky
    18 °C
    0 mm
    20 %
    SW
    44 km/h
    Gust:
    61 km/h
    clear sky
    11 °C
    0 mm
    10 %
    W
    31 km/h
    Gust:
    61 km/h

    Meteogram

    4113-2-6-4-1441354129259671114139161519113
    35
    30
    25
    20
    15
    10
    5
    0
    -5
    -10
    Tue
    21
    clear sky
    Wed
    22
    clear sky
    Thu
    23
    mostly cloudy
    Fri
    24
    partly cloudy
    Sat
    25
    partly cloudy
    Sun
    26
    overcast
    Mon
    27
    partly cloudy
    Tue
    28
    partly cloudy
    Wed
    29
    overcast
    Thu
    30
    mostly cloudy
    Fri
    01
    overcast
    Sat
    02
    mostly cloudy
    Sun
    03
    overcast with rain
    Mon
    04
    overcast with light rain

    Air quality (AQI)


    Air quality index (marked as AQI) is developed by Environmental Protection Agency. Values over 300 represents hazardous air quality, between 200-300 very unhealthy, 150-200 unhealthy, 100-150 unhealthy for sensitive groups and below 100 or rather below 50 the air quality is good.

    Sun and Moon

    Heading: Time:
    Phase: Altitude:


    Heading: Time:
    Illumination: Altitude:


    Date rise set rise Illumination


    Phase Time Length