An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >
Crazy Horse Memorial
Devils Tower National Monument
Mount Rushmore National Memorial
Spearfish Canyon Scenic Byway (near the Spearfish entrance)
Badlands National Park (Interior entrance)
Custer State Park
Wind Cave National Park
Angostura Reservoir
Belle Fourche Reservoir
Cold Brook Reservoir
Deerfield Reservoir
Keyhole Reservoir
Pactola Reservoir
Shadehill Reservoir
We'd like to know how you use this forecast. Please send a note to our Warning Coordination Meteorologist, Aaron Woodward. Thanks!
040
SXUS43 KUNR 241002
RECUNR
Morning Hot Air Balloon Forecast
National Weather Service Rapid City SD
301 AM MST Wed Dec 24 2025
This forecast is information to assist pilots and aircrews for flight planning
and is not to be considered as a sole source of information to meet all
preflight actions. Pilots should receive a complete preflight briefing from a
Flight Service Station (1-800-WXBRIEF) or online via 1800wxbrief.com.
...HERE IS THE MORNING HOT AIR BALLOON FORECAST
FOR THE HOT SPRINGS MUNICIPAL AIRPORT...
.THIS MORNING...
Sunrise: 725 AM.
Surface Wind Forecast: 6 AM...240/12G20 mph.
8 AM...240/12G22 mph.
Boundary Layer Wind: 7 AM...260/18 mph. Depth 500 ft.
9 AM...260/21 mph. Depth 600 ft.
RAP Winds (at 7 AM): 250ft...250/10 mph.
500ft...280/21 mph.
1000ft...290/33 mph.
2000ft...280/35 mph.
3000ft...280/33 mph.
Surface Lifted Index: 6 AM...+11.
9 AM...+15.
Density Altitude: 6 AM...3258 ft.
8 AM...3652 ft.
Additional Weather Info: clear below 12000 feet AGL,
unrestricted visibilities.
.OUTLOOK FOR THIS AFTERNOON...
Sunset: 419 PM.
Weather: clear below 12000 feet AGL,
unrestricted visibilities.
Surface Wind: 3 PM...240/07 mph.
5 PM...240/05 mph.
Boundary Wind: 3 PM...230/10 mph. Depth 400 ft.
5 PM...220/06 mph. Depth 400 ft.
RAP Winds (at 3 PM): 250ft...240/03 mph.
500ft...250/08 mph.
1000ft...260/16 mph.
2000ft...250/22 mph.
3000ft...260/26 mph.
.OUTLOOK FOR TOMORROW MORNING...
Surface Wind Forecast: 6 AM...240/22G31 mph.
8 AM...240/26G37 mph.
RAP Winds (at 7 AM): 250ft...220/08 mph.
500ft...230/23 mph.
1000ft...230/28 mph.
2000ft...240/32 mph.
3000ft...250/35 mph.
Additional Weather Info: ceilings at less than 1000 feet AGL,
unrestricted visibilities.
This forecast is not routinely updated or amended outside of any scheduled
issuances.
&&
Additional aviation observations and forecasts are available at
aviationweather.gov. You can also read the local aviation forecast discussion
at https://www.aviationweather.gov/fcstdisc.
$$
WFO UNR
Note: "Boundary layer" above refers to the planetary boundary layer, or the layer within which the effects of friction are significant (courtesy of the NWS Glossary). The depth of this layer will vary throughout the day, typically reaching its maximum depth in the afternoon and minimum depth overnight.
The soundings below show temperature (in red) and dew point (in green) at decreasing pressures (increasing heights) throughout the atmosphere. Latest Observed Sounding from Rapid City (courtesy NSF National Center for Atmospheric Research) |
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Forecast Soundings for the Hot Springs Municipal Airport (click to zoom) |
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