Marine Weather and Tide Forecast for Rapid City, SD
 | Sunrise 6:39 AM Sunset 4:34 PM Moonrise 7:13 AM Moonset 4:50 PM |
Marine Forecasts
NOTE: Zones updated 4/16/2026. Some zones changed. Use Edit if needed.
7 Day Forecast for Marine Location Near Rapid City, SD
NEW! Add second zone forecast
FXUS63 KUNR 081115 AFDUNR
Area Forecast Discussion For Western SD and Northeastern WY National Weather Service Rapid City SD 415 AM MST Sun Nov 8 2026
KEY MESSAGES
-Mild and dry into next week, breezy at times
UPDATE
Issued at 844 PM MST Sat Nov 7 2026
Forecast remains on track and have made no major changes to the grids. Mean ridging over the western US will continue to influence the weather in our corner of the Northern Plains through the weekend with mild and dry conditions as the sensible weather impacts. Above average temperatures in the upper 60s to low 70s, humidities in the 20-30% range, and breezy southwest winds will support elevated fire wx conditions across northeastern WY tomorrow.
DISCUSSION
(This Afternoon Through Friday)
Issued at 939 AM MST Sat Nov 7 2026
Mean western NOAM ridging will support mild and dry weather as Pac flow continues aloft. Weak/skirting impulses will support cool fronts at times to knock temps down a few degrees and support passing breezy days. Temps will be above normal in the period with the warmest day being Sunday when highs will average 15-20 degrees above normal. Upper impulse traversing the Northern Plains today, with warm westerly flow ahead of the system. Breezy NW winds will develop this afternoon across NW SD, with a few gusts over 30 mph. The next system is on its heels and will bring another batch of warm air into the region tomorrow, with warmer conditions expected across the FA ahead of the system as highs reach in the 60s and 70s. Breezy south winds can also be expected, supporting elevated fire weather conds across parts of the area.
Cool front will move through Sunday night. This will knock temps back down into the 50s and 60s for Monday. Zonal/mild Pac flow expected through next week, with mild and dry weather continuing, as periodic cool fronts move through and support breezy winds at times.
AVIATION
(For the 12Z TAFS Through 12Z Monday Morning)
Issued At 411 AM MST Sun Nov 8 2026
VFR conditions are expected through the forecast period. Gusty winds are expected across the SD plains and far northeast WY. Wind gusts up to 30 kts are expected Sunday afternoon, diminishing after sunset.
UNR WATCHES/WARNINGS/ADVISORIES
SD...None.
WY...None.
Area Forecast Discussion For Western SD and Northeastern WY National Weather Service Rapid City SD 415 AM MST Sun Nov 8 2026
KEY MESSAGES
-Mild and dry into next week, breezy at times
UPDATE
Issued at 844 PM MST Sat Nov 7 2026
Forecast remains on track and have made no major changes to the grids. Mean ridging over the western US will continue to influence the weather in our corner of the Northern Plains through the weekend with mild and dry conditions as the sensible weather impacts. Above average temperatures in the upper 60s to low 70s, humidities in the 20-30% range, and breezy southwest winds will support elevated fire wx conditions across northeastern WY tomorrow.
DISCUSSION
(This Afternoon Through Friday)
Issued at 939 AM MST Sat Nov 7 2026
Mean western NOAM ridging will support mild and dry weather as Pac flow continues aloft. Weak/skirting impulses will support cool fronts at times to knock temps down a few degrees and support passing breezy days. Temps will be above normal in the period with the warmest day being Sunday when highs will average 15-20 degrees above normal. Upper impulse traversing the Northern Plains today, with warm westerly flow ahead of the system. Breezy NW winds will develop this afternoon across NW SD, with a few gusts over 30 mph. The next system is on its heels and will bring another batch of warm air into the region tomorrow, with warmer conditions expected across the FA ahead of the system as highs reach in the 60s and 70s. Breezy south winds can also be expected, supporting elevated fire weather conds across parts of the area.
Cool front will move through Sunday night. This will knock temps back down into the 50s and 60s for Monday. Zonal/mild Pac flow expected through next week, with mild and dry weather continuing, as periodic cool fronts move through and support breezy winds at times.
AVIATION
(For the 12Z TAFS Through 12Z Monday Morning)
Issued At 411 AM MST Sun Nov 8 2026
VFR conditions are expected through the forecast period. Gusty winds are expected across the SD plains and far northeast WY. Wind gusts up to 30 kts are expected Sunday afternoon, diminishing after sunset.
UNR WATCHES/WARNINGS/ADVISORIES
SD...None.
WY...None.
Link to 5 hour of 5 minute data for KRAP
Terminal Aerodrome Forecast (TAF) for KRAP
Wind History Graph: RAP
(wind in knots)
GEOS Local Image of northern rockey
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Rapid City, SD,
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