Keystone, SD Weather

    08:00 Friday
    Partly cloudy
    Partly cloudy
    7° Feels like 3°
    Strong west wind West 32 - 68 km/h
    • Today 19 Dec. Partly cloudy 12° / -1° Very strong west wind 38 - 85 km/h
    • Tomorrow 20 Dec. Scattered clouds 3° / -4° Strong northwest wind 22 - 50 km/h
    • Sunday 21 Dec. Light rain with partly cloudy skies 30% 0.3 mm 9° / -4° Moderate southwest wind 14 - 30 km/h
    • Monday 22 Dec. Scattered clouds 15° / 2° Very strong west wind 30 - 80 km/h
    • Tuesday 23 Dec. Scattered clouds 15° / 2° Moderate west wind 19 - 44 km/h
    • Wednesday 24 Dec. Scattered clouds 17° / 8° Very strong west wind 36 - 82 km/h
    • Thursday 25 Dec. Scattered clouds 14° / 1° Very strong west wind 32 - 89 km/h

    Weather Forecast for Keystone, SD Today

    , 19 December

    Tomorrow

    , 20 December
    08:00 Partly cloudy 7° Partly cloudy
    Feels Like 3°
    Strong west wind West 32 - 68 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 44%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 81%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 3 °C
    • Wind Wind - Average 32 km/h
    • Pressure Pressure 994 hPa
    • Snowline Snowline 11483 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 68 km/h
    • Visibility Visibility 60 km
    09:00 Partly cloudy 9° Partly cloudy
    Feels Like 5°
    Very strong west wind West 38 - 81 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 39%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 67%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 5 °C
    • Wind Wind - Average 38 km/h
    • Pressure Pressure 994 hPa
    • Snowline Snowline 11483 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 81 km/h
    • Visibility Visibility 40 km
    10:00 Partly cloudy 10° Partly cloudy
    Feels Like 10°
    Very strong west wind West 36 - 85 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 34%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 65%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 10 °C
    • Wind Wind - Average 36 km/h
    • Pressure Pressure 994 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 85 km/h
    • Visibility Visibility 65 km
    11:00 Partly cloudy 11° Partly cloudy
    Feels Like 11°
    Very strong west wind West 31 - 78 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 34%
    • Dew Point Dew Point -5 °C
    • Clouds Clouds 81%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 11 °C
    • Wind Wind - Average 31 km/h
    • Pressure Pressure 994 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 78 km/h
    • Visibility Visibility 65 km
    12:00 Partly cloudy 11° Partly cloudy
    Feels Like 11°
    Strong west wind West 32 - 71 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 34%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 69%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 11 °C
    • Wind Wind - Average 32 km/h
    • Pressure Pressure 993 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 71 km/h
    • Visibility Visibility 65 km
    13:00 Partly cloudy 11° Partly cloudy
    Feels Like 11°
    Strong west wind West 29 - 71 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 34%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 58%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 11 °C
    • Wind Wind - Average 29 km/h
    • Pressure Pressure 992 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 71 km/h
    • Visibility Visibility 65 km
    Overcast 14:00 Overcast 11° Overcast
    Feels Like 11°
    Strong west wind West 30 - 70 km/h
    		UV Index 0 Low SPF: no
    14:00 Overcast 11° Overcast
    Feels Like 11°
    Strong west wind West 30 - 70 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 35%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 97%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 11 °C
    • Wind Wind - Average 30 km/h
    • Pressure Pressure 992 hPa
    • Snowline Snowline 10827 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 70 km/h
    • Visibility Visibility 65 km
    15:00 Partly cloudy 11° Partly cloudy
    Feels Like 11°
    Strong west wind West 31 - 71 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 36%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 96%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 11 °C
    • Wind Wind - Average 31 km/h
    • Pressure Pressure 991 hPa
    • Snowline Snowline 11155 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 71 km/h
    • Visibility Visibility 65 km
    16:00 Overcast 10° Overcast
    Feels Like 10°
    Strong west wind West 32 - 71 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 38%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 100%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 10 °C
    • Wind Wind - Average 32 km/h
    • Pressure Pressure 992 hPa
    • Snowline Snowline 10827 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 71 km/h
    • Visibility Visibility 65 km
    Partly cloudy 17:00 Partly cloudy 10° Partly cloudy
    Feels Like 7°
    Strong west wind West 30 - 69 km/h
    		UV Index 0 Low SPF: no
    17:00 Overcast 10° Overcast
    Feels Like 7°
    Strong west wind West 30 - 69 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 39%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 79%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 7 °C
    • Wind Wind - Average 30 km/h
    • Pressure Pressure 992 hPa
    • Snowline Snowline 10499 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 69 km/h
    • Visibility Visibility 60 km
    18:00 Partly cloudy 9° Partly cloudy
    Feels Like 6°
    Strong west wind West 29 - 66 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 42%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 72%
    • Snow depth Snow depth 0.39 in
    • Feels Like Feels Like 6 °C
    • Wind Wind - Average 29 km/h
    • Pressure Pressure 993 hPa
    • Snowline Snowline 10171 ft
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 66 km/h
    • Visibility Visibility 60 km
    19:00 Scattered clouds 7° Scattered clouds
    Feels Like 5°
    Strong northwest wind Northwest 13 - 62 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 49%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 55 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 996 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 62 km/h
    • Snowline Snowline 8530 ft
    Scattered clouds 20:00 Scattered clouds 2° Scattered clouds
    Feels Like -1°
    Moderate north wind North 14 - 34 km/h
    		UV Index 0 Low SPF: no
    20:00 Partly cloudy 2° Partly cloudy
    Feels Like -1°
    Moderate north wind North 14 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 54%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1000 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 7218 ft
    21:00 Partly cloudy 0° Partly cloudy
    Feels Like -5°
    Moderate northwest wind Northwest 22 - 46 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 62%
    • Feels Like Feels Like -5 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1003 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 46 km/h
    • Snowline Snowline 4921 ft
    22:00 Partly cloudy -1° Partly cloudy
    Feels Like -6°
    Strong northwest wind Northwest 24 - 52 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 65%
    • Feels Like Feels Like -6 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 52 km/h
    • Snowline Snowline 4593 ft
    Overcast 23:00 Overcast -1° Overcast
    Feels Like -7°
    Strong northwest wind Northwest 23 - 54 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast -1° Overcast
    Feels Like -7°
    Strong northwest wind Northwest 23 - 54 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 98%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 23 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 54 km/h
    • Snowline Snowline 4265 ft
    24:00 Overcast -1° Overcast
    Feels Like -6°
    Strong northwest wind Northwest 21 - 50 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point -10 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -6 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1008 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 50 km/h
    • Snowline Snowline 4265 ft

    Sunrise and Sunset

    Sunrise 07:23 Sunset 16:18
    First light 06:50 Midday 11:51 Last light 16:51
    Day length 8h 54m

    Remaining daylight 7h 59m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    19 New Moon
    20 New Moon
    21 New Moon
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    31 First Quarter
    1 First Quarter

    Air quality in Keystone today

    Detail
    33
    Fair O₃ (80 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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