Keystone, SD Weather

    11:00 Saturday
    Overcast
    Overcast
    8° Feels like 6°
    Moderate west wind West 16 - 36 km/h
    • Today 27 Dec. Snow with partly cloudy skies 50% 0.7 mm 9° / -7° Strong northwest wind 25 - 56 km/h
    • Tomorrow 28 Dec. Scattered clouds -7° / -11° Strong northwest wind 25 - 57 km/h
    • Monday 29 Dec. Scattered clouds 1° / -11° Moderate west wind 17 - 36 km/h
    • Tuesday 30 Dec. Partly cloudy 7° / -1° Moderate west wind 16 - 36 km/h
    • Wednesday 31 Dec. Scattered clouds 10° / -2° Moderate west wind 16 - 37 km/h
    • Thursday 1 Jan. Scattered clouds 7° / -4° Gentle west wind 6 - 19 km/h
    • Friday 2 Jan. Scattered clouds 5° / -6° Moderate southeast wind 6 - 20 km/h

    Weather Forecast for Keystone, SD Today

    , 27 December

    Tomorrow

    , 28 December
    11:00 Overcast 8° Overcast
    Feels Like 6°
    Moderate west wind West 16 - 36 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 36%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 60 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 8202 ft
    12:00 Overcast 8° Overcast
    Feels Like 6°
    Moderate west wind West 19 - 43 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 32%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 60 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 7874 ft
    13:00 Partly cloudy 8° Partly cloudy
    Feels Like 6°
    Moderate west wind West 19 - 43 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 31%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 84%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 60 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1001 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 7546 ft
    14:00 Partly cloudy 8° Partly cloudy
    Feels Like 5°
    Moderate west wind West 19 - 45 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 32%
    • Dew Point Dew Point -8 °C
    • Clouds Clouds 88%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 60 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Snowline Snowline 7546 ft
    15:00 Overcast 7° Overcast
    Feels Like 5°
    Moderate west wind West 16 - 43 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 37%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 60 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 7218 ft
    16:00 Overcast 6° Overcast
    Feels Like 3°
    Moderate northwest wind Northwest 12 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 42%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 55 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 7218 ft
    Overcast 17:00 Overcast 3° Overcast
    Feels Like -1°
    Moderate north wind North 18 - 35 km/h
    		UV Index 0 Low SPF: no
    17:00 Overcast 3° Overcast
    Feels Like -1°
    Moderate north wind North 18 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 5906 ft
    18:00 Overcast 0° Overcast
    Feels Like -5°
    Moderate north wind North 22 - 47 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -5 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 47 km/h
    • Snowline Snowline 4593 ft
    19:00 Overcast -2° Overcast
    Feels Like -8°
    Strong northwest wind Northwest 24 - 52 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -8 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 52 km/h
    • Snowline Snowline 3609 ft
    Snow 20:00 Snow with cloudy skies 30% 0.08 in -4° Snow
    Feels Like -10°
    Strong northwest wind Northwest 25 - 56 km/h
    		UV Index 0 Low SPF: no
    20:00 Snow with cloudy skies 30% 0.5 in -4° Snow
    Feels Like -10°
    Strong northwest wind Northwest 25 - 56 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.08 in
    • Humidity Humidity 64%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 99%
    • Snow depth Snow depth 0 in
    • Feels Like Feels Like -10 °C
    • Wind Wind - Average 25 km/h
    • Pressure Pressure 1016 hPa
    • Snowline Snowline 2953 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 56 km/h
    • Visibility Visibility 14 km
    21:00 Snow with cloudy skies 30% 0.12 in -5° Snow
    Feels Like -11°
    Strong northwest wind Northwest 22 - 54 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.12 in
    • Humidity Humidity 62%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 96%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -11 °C
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1018 hPa
    • Snowline Snowline 2297 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 54 km/h
    • Visibility Visibility 20 km
    22:00 Snow with partly cloudy skies 30% 0.08 in -6° Snow
    Feels Like -12°
    Moderate northwest wind Northwest 19 - 49 km/h
    		UV Index 0 Low SPF: no
    • Snow Snow 30% 0.08 in
    • Humidity Humidity 62%
    • Dew Point Dew Point -12 °C
    • Clouds Clouds 96%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -12 °C
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1019 hPa
    • Snowline Snowline 1969 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 49 km/h
    • Visibility Visibility 25 km
    Partly cloudy 23:00 Partly cloudy -6° Partly cloudy
    Feels Like -12°
    Moderate northwest wind Northwest 19 - 42 km/h
    		UV Index 0 Low SPF: no
    23:00 Snow with partly cloudy skies 30% 0.2 in -6° Snow
    Feels Like -12°
    Moderate northwest wind Northwest 19 - 42 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 91%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -12 °C
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1021 hPa
    • Snowline Snowline 1640 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Visibility Visibility 40 km
    24:00 Partly cloudy -7° Partly cloudy
    Feels Like -14°
    Moderate northwest wind Northwest 20 - 46 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 92%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -14 °C
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1022 hPa
    • Snowline Snowline 984 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 46 km/h
    • Visibility Visibility 40 km

    Sunrise and Sunset

    Sunrise 07:27 Sunset 16:22
    First light 06:54 Midday 11:54 Last light 16:55
    Day length 8h 55m

    Remaining daylight 4h 58m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    31 First Quarter
    1 First Quarter
    2 Full Moon
    3 Full Moon
    4 Full Moon
    5 Last Quarter
    6 Last Quarter
    7 Last Quarter
    8 Last Quarter
    9 Last Quarter

    Air quality in Keystone today

    Detail
    31
    Fair O₃ (76 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

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