Point Forecast: 18 Miles N Opal SD
 45.16N 102.57W (Elev. 2454 ft)
Last Update: 7:29 pm MDT Jul 13, 2025
Tabular Forecast
[hide menu]Get as XML
Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-ft)
Dispersion Index
Ceiling Height
Visibility
Thunder Potential

48-Hour Period Starting:       Back 2 Days  

Date07/1307/14
Hour (MDT)202122230001020304050607080910111213141516171819
Temperature (°F)817673716967666565656468737884889194969798979593
Dewpoint (°F)545556555352504949495052535556565656565655555556
Heat Index (°F)80767883868992959696959391
Surface Wind (mph)91011131313131414141414151616151514141413131110
Wind DirESESESESSSSSSSSSSSSSSSSSSSS
Gust1617202020212222222222232323232322222221201816
Sky Cover (%)13133042402830181012209771012535810151543
Precipitation Potential (%)11113333332222221616161616165050
Relative Humidity (%)394855575757565656566057494538343128262624252629
Rain--------------------------------SChcSChcSChcSChcSChcSChcChcChc
Thunder--------------------------------SChcSChcSChcSChcSChcSChcChcChc

Date07/15
Hour (MDT)202122230001020304050607080910111213141516171819
Temperature (°F)857874727271696867666666666667686970707070696866
Dewpoint (°F)596060606060595959595959606060616161616059595858
Heat Index (°F)8578
Surface Wind (mph)101010101010101113151617202122232323232323232322
Wind DirSSSSSSENENENENNNNNNENENENENENENENENE
Gust1616151516202224283031323334343434343332
Sky Cover (%)445864738179777574737269656265697273757675747380
Precipitation Potential (%)505050503737373737372727272727274848484848485858
Relative Humidity (%)415462666668707375787878818178787673737168707075
RainChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcLklyLkly
ThunderChcSChcSChcSChcSChcSChcSChc------ChcChcChcChcChcChcChcChcChcChcChcChcChcChc

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Hazardous Weather OutlookLocal Climate
AHPS / River InformationFire Weather Forecast
NOAA Weather RadioBlack Hills Froude Plots