Keystone, SD Weather

    05:00 Thursday
    Clear
    Clear skies
    6° Feels like 3°
    First Quarter First Quarter Illuminated: 96%
    • Today 1 Jan. Scattered clouds 11° / 0° Moderate northwest wind 18 - 39 km/h
    • Tomorrow 2 Jan. Partly cloudy 5° / -2° Moderate west wind 16 - 33 km/h
    • Saturday 3 Jan. Scattered clouds 9° / 0° Strong west wind 24 - 50 km/h
    • Sunday 4 Jan. Scattered clouds 12° / 5° Very strong west wind 38 - 83 km/h
    • Monday 5 Jan. Scattered clouds 12° / 0° Strong west wind 24 - 60 km/h
    • Tuesday 6 Jan. Clear 9° / -3° Moderate west wind 20 - 41 km/h
    • Wednesday 7 Jan. Partly cloudy 9° / 0° Strong west wind 19 - 71 km/h

    Weather Forecast for Keystone, SD Today

    , 1 January

    Tomorrow

    , 2 January
    06:00 Clear skies 6° Clear
    Feels Like 3°
    Moderate northwest wind Northwest 14 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 42%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 3%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 3 °C
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1008 hPa
    • Snowline Snowline 11811 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Visibility Visibility 60 km
    07:00 Scattered clouds 4° Scattered clouds
    Feels Like 2°
    Moderate west wind West 10 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 46%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 46%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 2 °C
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 11483 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Visibility Visibility 55 km
    08:00 Scattered clouds 3° Scattered clouds
    Feels Like 1°
    Moderate west wind West 10 - 24 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 29%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 1 °C
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 11483 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Visibility Visibility 55 km
    09:00 Scattered clouds 5° Scattered clouds
    Feels Like 4°
    Moderate west wind West 8 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 40%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 4 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1010 hPa
    • Snowline Snowline 11483 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 55 km
    10:00 Scattered clouds 9° Scattered clouds
    Feels Like 9°
    Gentle northwest wind Northwest 6 - 18 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 43%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 44%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 9 °C
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1010 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Visibility Visibility 60 km
    Scattered clouds 11:00 Scattered clouds 11° Scattered clouds
    Feels Like 11°
    Gentle north wind North 3 - 15 km/h
    		UV Index 1 Low SPF: no
    11:00 Scattered clouds 11° Scattered clouds
    Feels Like 11°
    Gentle north wind North 3 - 15 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 36%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 49%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 11 °C
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Visibility Visibility 60 km
    12:00 Scattered clouds 11° Scattered clouds
    Feels Like 11°
    Gentle east wind East 5 - 18 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 36%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 49%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 11 °C
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 10827 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Visibility Visibility 60 km
    13:00 Scattered clouds 10° Scattered clouds
    Feels Like 9°
    Gentle southeast wind Southeast 7 - 18 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 39%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 9 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1008 hPa
    • Snowline Snowline 10827 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Visibility Visibility 60 km
    Scattered clouds 14:00 Scattered clouds 9° Scattered clouds
    Feels Like 8°
    Moderate southeast wind Southeast 8 - 20 km/h
    		UV Index 1 Low SPF: no
    14:00 Scattered clouds 9° Scattered clouds
    Feels Like 8°
    Moderate southeast wind Southeast 8 - 20 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 43%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 8 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 10827 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Visibility Visibility 60 km
    15:00 Scattered clouds 7° Scattered clouds
    Feels Like 6°
    Gentle southeast wind Southeast 7 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 50%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 6 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 10827 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Visibility Visibility 55 km
    16:00 Scattered clouds 4° Scattered clouds
    Feels Like 3°
    Gentle south wind South 5 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 3 °C
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 10827 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Visibility Visibility 50 km
    Scattered clouds 17:00 Scattered clouds 2° Scattered clouds
    Feels Like 1°
    Gentle southwest wind Southwest 5 - 9 km/h
    		UV Index 0 Low SPF: no
    17:00 Scattered clouds 2° Scattered clouds
    Feels Like 1°
    Gentle southwest wind Southwest 5 - 9 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 1 °C
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1010 hPa
    • Snowline Snowline 10499 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 9 km/h
    • Visibility Visibility 50 km
    18:00 Scattered clouds 1° Scattered clouds
    Feels Like 0°
    Gentle southwest wind Southwest 6 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 0 °C
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 10499 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Visibility Visibility 45 km
    19:00 Scattered clouds 1° Scattered clouds
    Feels Like -1°
    Gentle southwest wind Southwest 8 - 15 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 50%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -1 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 10171 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Visibility Visibility 45 km
    Scattered clouds 20:00 Scattered clouds 1° Scattered clouds
    Feels Like -1°
    Gentle south wind South 7 - 16 km/h
    		UV Index 0 Low SPF: no
    20:00 Partly cloudy 1° Partly cloudy
    Feels Like -1°
    Gentle south wind South 7 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 51%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -1 °C
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 10499 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Visibility Visibility 50 km
    21:00 Partly cloudy 0° Partly cloudy
    Feels Like -2°
    Gentle south wind South 8 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 65%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1009 hPa
    • Snowline Snowline 10171 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Visibility Visibility 50 km
    22:00 Partly cloudy 1° Partly cloudy
    Feels Like -2°
    Moderate south wind South 10 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 70%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1008 hPa
    • Snowline Snowline 10499 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Visibility Visibility 45 km
    Partly cloudy 23:00 Partly cloudy 1° Partly cloudy
    Feels Like -2°
    Moderate south wind South 11 - 22 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast 1° Overcast
    Feels Like -2°
    Moderate south wind South 11 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 92%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1008 hPa
    • Snowline Snowline 10499 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 45 km
    24:00 Overcast 1° Overcast
    Feels Like -2°
    Moderate south wind South 10 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like -2 °C
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1007 hPa
    • Snowline Snowline 10499 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Visibility Visibility 50 km

    Sunrise and Sunset

    Sunrise 07:28 Sunset 16:26
    First light 06:55 Midday 11:57 Last light 16:59
    Day length 8h 59m

    Time remaining until sunrise 1h 45m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    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
    10 Last Quarter
    11 Last Quarter
    12 Last Quarter
    13 Last Quarter
    14 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

    Videos

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