Keystone, SD Weather

    09:00 Thursday
    Partly cloudy
    Partly cloudy
    15° Feels like 15°
    Very strong west wind West 39 - 86 km/h
    • Today 25 Dec. Scattered clouds 16° / 7° Very strong west wind 42 - 91 km/h
    • Tomorrow 26 Dec. Scattered clouds 13° / 5° Strong west wind 33 - 70 km/h
    • Saturday 27 Dec. Scattered clouds 8° / -6° Strong west wind 23 - 51 km/h
    • Sunday 28 Dec. Scattered clouds -6° / -11° Moderate northwest wind 16 - 44 km/h
    • Monday 29 Dec. Scattered clouds 3° / -10° Moderate west wind 18 - 39 km/h
    • Tuesday 30 Dec. Scattered clouds 7° / 0° Moderate west wind 20 - 42 km/h
    • Wednesday 31 Dec. Scattered clouds 13° / 1° Moderate west wind 16 - 37 km/h

    Weather Forecast for Keystone, SD Today

    , 25 December

    Tomorrow

    , 26 December
    09:00 Partly cloudy 15° Partly cloudy
    Feels Like 15°
    Very strong west wind West 39 - 86 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 45%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 83%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 55 km
    • Wind Wind - Average 39 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 86 km/h
    • Snowline Snowline 13780 ft
    10:00 Partly cloudy 15° Partly cloudy
    Feels Like 15°
    Very strong west wind West 41 - 88 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 90%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 55 km
    • Wind Wind - Average 41 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 88 km/h
    • Snowline Snowline 13451 ft
    11:00 Partly cloudy 15° Partly cloudy
    Feels Like 15°
    Very strong west wind West 38 - 88 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 50%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 88%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 38 km/h
    • Pressure Pressure 1004 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 88 km/h
    • Snowline Snowline 13451 ft
    12:00 Partly cloudy 15° Partly cloudy
    Feels Like 15°
    Very strong west wind West 30 - 83 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point 5 °C
    • Clouds Clouds 84%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 55 km
    • Wind Wind - Average 30 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 83 km/h
    • Snowline Snowline 12795 ft
    13:00 Partly cloudy 15° Partly cloudy
    Feels Like 15°
    Strong west wind West 32 - 69 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point 5 °C
    • Clouds Clouds 92%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 55 km
    • Wind Wind - Average 32 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 69 km/h
    • Snowline Snowline 12467 ft
    Partly cloudy 14:00 Partly cloudy 15° Partly cloudy
    Feels Like 15°
    Very strong west wind West 35 - 81 km/h
    		UV Index 1 Low SPF: no
    14:00 Partly cloudy 15° Partly cloudy
    Feels Like 15°
    Very strong west wind West 35 - 81 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 50%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 85%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 55 km
    • Wind Wind - Average 35 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 81 km/h
    • Snowline Snowline 12139 ft
    15:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Very strong west wind West 35 - 77 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 55%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 55 km
    • Wind Wind - Average 35 km/h
    • Pressure Pressure 1002 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 77 km/h
    • Snowline Snowline 12467 ft
    16:00 Partly cloudy 13° Partly cloudy
    Feels Like 13°
    Very strong west wind West 30 - 81 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 65%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 30 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 81 km/h
    • Snowline Snowline 11811 ft
    Scattered clouds 17:00 Scattered clouds 12° Scattered clouds
    Feels Like 12°
    Strong west wind West 26 - 65 km/h
    		UV Index 0 Low SPF: no
    17:00 Partly cloudy 12° Partly cloudy
    Feels Like 12°
    Strong west wind West 26 - 65 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 39%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 26 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 65 km/h
    • Snowline Snowline 11155 ft
    18:00 Clear skies 11° Clear
    Feels Like 11°
    Strong west wind West 24 - 56 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 11 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 56 km/h
    • Snowline Snowline 10827 ft
    19:00 Clear skies 10° Clear
    Feels Like 10°
    Strong west wind West 19 - 51 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1006 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 51 km/h
    • Snowline Snowline 10171 ft
    Clear 20:00 Clear skies 9° Clear
    Feels Like 7°
    Moderate west wind West 16 - 40 km/h
    		UV Index 0 Low SPF: no
    20:00 Clear skies 9° Clear
    Feels Like 7°
    Moderate west wind West 16 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1006 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 9843 ft
    21:00 Clear skies 9° Clear
    Feels Like 6°
    Moderate west wind West 18 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 9843 ft
    22:00 Clear skies 8° Clear
    Feels Like 5°
    Moderate west wind West 18 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 10171 ft
    Clear 23:00 Clear skies 8° Clear
    Feels Like 5°
    Moderate west wind West 18 - 39 km/h
    		UV Index 0 Low SPF: no
    23:00 Clear skies 8° Clear
    Feels Like 5°
    Moderate west wind West 18 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 10171 ft
    24:00 Clear skies 7° Clear
    Feels Like 4°
    Moderate west wind West 18 - 38 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 10171 ft

    Sunrise and Sunset

    Sunrise 07:26 Sunset 16:21
    First light 06:53 Midday 11:53 Last light 16:54
    Day length 8h 55m

    Remaining daylight 7h 16m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    25 First Quarter
    26 First Quarter
    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

    Air quality in Keystone today

    Detail
    27
    Fair O₃ (65 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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