Keystone, SD Weather

    10:00 Saturday
    Partly cloudy
    Partly cloudy
    20° Feels like 20°
    Moderate southeast wind Southeast 13 - 39 km/h
    reloj Hourly Thunderstorm expected in the next few hours
    • Today 30 May Thunderstorm with partly cloudy skies 90% 5.9 mm 22° / 12° Moderate southeast wind 13 - 39 km/h
    • Tomorrow 31 May Thunderstorm with partly cloudy skies 90% 3.2 mm 21° / 10° Moderate northwest wind 17 - 39 km/h
    • Monday 1 June Thunderstorm with partly cloudy skies 70% 1.1 mm 21° / 8° Moderate southeast wind 17 - 43 km/h
    • Tuesday 2 June Thunderstorm with partly cloudy skies 90% 3.6 mm 22° / 12° Strong south wind 22 - 53 km/h
    • Wednesday 3 June Thunderstorm with partly cloudy skies 80% 1.1 mm 23° / 12° Moderate northeast wind 12 - 34 km/h
    • Thursday 4 June Thunderstorm with partly cloudy skies 90% 8.2 mm 21° / 11° Moderate south wind 12 - 36 km/h
    • Friday 5 June Thunderstorm with partly cloudy skies 70% 6 mm 22° / 11° Moderate northeast wind 13 - 37 km/h

    Weather Forecast for Keystone, SD Today

    , 30 May

    Tomorrow

    , 31 May
    11:00 Partly cloudy 20° Partly cloudy
    Feels Like 20°
    Moderate southeast wind Southeast 13 - 39 km/h
    		UV Index 6 High SPF: 15-25
    • Rain Rain 20% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 78%
    • Feels Like Feels Like 20 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 13780 ft
    12:00 Partly cloudy 21° Partly cloudy
    Feels Like 21°
    Moderate southeast wind Southeast 12 - 38 km/h
    		UV Index 7 High SPF: 15-25
    • Rain Rain 20% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 71%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 12 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 13780 ft
    13:00 Light rain with partly cloudy skies 40% 0.004 mm 21° Light rain
    Feels Like 21°
    Moderate southeast wind Southeast 12 - 35 km/h
    		UV Index 6 High SPF: 15-25
    • Rain Rain 40% 0.004 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 86%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 7 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 13451 ft
    14:00 Light rain with partly cloudy skies 40% 0.012 mm 21° Light rain
    Feels Like 21°
    Moderate southeast wind Southeast 12 - 33 km/h
    		UV Index 6 High SPF: 15-25
    • Rain Rain 40% 0.012 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 78%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 10 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1006 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 13451 ft
    15:00 Light rain with partly cloudy skies 60% 0.008 mm 22° Light rain
    Feels Like 22°
    Moderate southeast wind Southeast 11 - 34 km/h
    		UV Index 6 High SPF: 15-25
    • Rain Rain 60% 0.008 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 69%
    • Feels Like Feels Like 22 °C
    • Visibility Visibility 10 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1005 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 13123 ft
    16:00 Thunderstorm with partly cloudy skies 80% 0.024 mm 18° Thunderstorm
    Feels Like 18°
    Moderate west wind West 5 - 35 km/h
    		UV Index 4 Moderate SPF: 6-10
    • Rain Rain 80% 0.024 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 59%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 9 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1006 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 13451 ft
    Thunderstorm 17:00 Thunderstorm with partly cloudy skies 90% 0.106 mm 16° Thunderstorm
    Feels Like 16°
    Moderate southwest wind Southwest 3 - 25 km/h
    		UV Index 2 Low SPF: no
    17:00 Thunderstorm with partly cloudy skies 90% 4.4 mm 16° Thunderstorm
    Feels Like 16°
    Moderate southwest wind Southwest 3 - 25 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 90% 0.106 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 77%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 4 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1008 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Snowline Snowline 13451 ft
    18:00 Light rain with partly cloudy skies 90% 0.043 mm 15° Light rain
    Feels Like 15°
    Moderate southwest wind Southwest 8 - 25 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 90% 0.043 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 95%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 3 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Snowline Snowline 13123 ft
    19:00 Light rain with partly cloudy skies 80% 0.035 mm 16° Light rain
    Feels Like 16°
    Gentle southwest wind Southwest 3 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 80% 0.035 mm
    • Humidity Humidity 100%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 58%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1006 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 13123 ft
    Partly cloudy 20:00 Partly cloudy 15° Partly cloudy
    Feels Like 15°
    Gentle southeast wind Southeast 3 - 11 km/h
    		UV Index 0 Low SPF: no
    20:00 Light rain with partly cloudy skies 80% 0.9 mm 15° Light rain
    Feels Like 15°
    Gentle southeast wind Southeast 3 - 11 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 65%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 11 km/h
    • Snowline Snowline 13123 ft
    21:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Gentle east wind East 1 - 7 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 53%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 18 km
    • Wind Wind - Average 1 km/h
    • Pressure Pressure 1008 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 7 km/h
    • Snowline Snowline 13123 ft
    22:00 Partly cloudy 13° Partly cloudy
    Feels Like 13°
    Gentle south wind South 6 - 11 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 61%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1008 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 11 km/h
    • Snowline Snowline 13123 ft
    Partly cloudy 23:00 Partly cloudy 13° Partly cloudy
    Feels Like 13°
    Gentle south wind South 2 - 12 km/h
    		UV Index 0 Low SPF: no
    23:00 Fog 13° Fog
    Feels Like 13°
    Gentle south wind South 2 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 56%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 2 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 12795 ft
    24:00 Fog 12° Fog
    Feels Like 12°
    Gentle southeast wind Southeast 5 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 20% 0 mm
    • Humidity Humidity 100%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 250 m
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog Yes
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 12467 ft

    Air quality in Keystone today

    Detail
    42
    Moderate O₃ (106 µg/m³)

    Sunrise and Sunset

    Sunrise 05:15 Sunset 20:27
    First light 04:40 Midday 12:51 Last light 21:02
    Day length 15h 12m

    Remaining daylight 9h 39m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    30 Full Moon
    31 Full Moon
    1 Full Moon
    2 Last Quarter
    3 Last Quarter
    4 Last Quarter
    5 Last Quarter
    6 Last Quarter
    7 Last Quarter
    8 Last Quarter
    9 Last Quarter
    10 Last Quarter
    11 Last Quarter
    12 Last Quarter

    What is the weather like in Keystone, SD in May?

    • Avg. Temp.
      Avg. Temp.: 2 °C Max.: 20 °C Min: -20 °C
    • Rainy Days
      Rainy Days: 12 days
    • Accumulated Rainfall
      Accumulated Rainfall: 63 mm
    • Average Wind Speed
      Average Wind Speed: 8 km/h

    Weather graphs

    Maximum Minimum Rainfall

    Videos

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