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Lead, South Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 11 Miles SW Alzada MT
National Weather Service Forecast for: 11 Miles SW Alzada MT
Issued by: National Weather Service Rapid City, SD
Updated: 1:32 pm MDT Mar 30, 2025
 
This
Afternoon
This Afternoon: A 50 percent chance of snow.  Cloudy, with a high near 34. East wind 6 to 8 mph.  Total daytime snow accumulation of less than a half inch possible.
Chance Snow


Tonight

Tonight: A 20 percent chance of snow before 9pm.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 26. Southeast wind 3 to 6 mph.
Slight Chance
Snow and
Patchy Fog
then Patchy
Fog
Monday

Monday: Mostly cloudy, with a high near 47. Wind chill values as low as 20 early. Southeast wind 6 to 14 mph, with gusts as high as 20 mph.
Mostly Cloudy


Monday
Night
Monday Night: A chance of rain showers before 2am, then a slight chance of freezing rain.  Mostly cloudy, with a low around 28. East wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.
Chance
Showers then
Slight Chance
Rain/Freezing
Rain
Tuesday

Tuesday: A chance of rain, snow, and freezing rain before noon, then rain likely, possibly mixed with snow between noon and 1pm, then rain likely after 1pm.  Cloudy, with a high near 42. East wind 6 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.
Chance Wintry
Mix then
Rain/Snow
Likely
Tuesday
Night
Tuesday Night: Snow likely, possibly mixed with rain before 11pm, then snow.  Low around 27. Northeast wind 9 to 11 mph, with gusts as high as 17 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Rain/Snow
Likely then
Snow

Wednesday

Wednesday: Snow likely.  Mostly cloudy, with a high near 35. Northwest wind 11 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.
Snow Likely


Wednesday
Night
Wednesday Night: A slight chance of snow before midnight.  Mostly cloudy, with a low around 25. Northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 16 mph.
Slight Chance
Snow then
Mostly Cloudy

Thursday

Thursday: A slight chance of snow showers after noon, mixing with rain after 3pm.  Partly sunny, with a high near 42.
Partly Sunny
then Slight
Chance
Rain/Snow
Hi 34 °F Lo 26 °F Hi 47 °F Lo 28 °F Hi 42 °F Lo 27 °F Hi 35 °F Lo 25 °F Hi 42 °F

Hazardous Weather Outlook
 

This Afternoon
 
A 50 percent chance of snow. Cloudy, with a high near 34. East wind 6 to 8 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
 
A 20 percent chance of snow before 9pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 26. Southeast wind 3 to 6 mph.
Monday
 
Mostly cloudy, with a high near 47. Wind chill values as low as 20 early. Southeast wind 6 to 14 mph, with gusts as high as 20 mph.
Monday Night
 
A chance of rain showers before 2am, then a slight chance of freezing rain. Mostly cloudy, with a low around 28. East wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday
 
A chance of rain, snow, and freezing rain before noon, then rain likely, possibly mixed with snow between noon and 1pm, then rain likely after 1pm. Cloudy, with a high near 42. East wind 6 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
 
Snow likely, possibly mixed with rain before 11pm, then snow. Low around 27. Northeast wind 9 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
 
Snow likely. Mostly cloudy, with a high near 35. Northwest wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night
 
A slight chance of snow before midnight. Mostly cloudy, with a low around 25. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Thursday
 
A slight chance of snow showers after noon, mixing with rain after 3pm. Partly sunny, with a high near 42.
Thursday Night
 
A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers. Mostly cloudy, with a low around 24.
Friday
 
A chance of rain and snow showers. Partly sunny, with a high near 42.
Friday Night
 
A slight chance of rain and snow showers. Partly cloudy, with a low around 24.
Saturday
 
Mostly sunny, with a high near 48.

 

Forecast from NOAA-NWS for 11 Miles SW Alzada MT.

Weather Forecast Discussion
416
FXUS63 KUNR 301950
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
150 PM MDT Sun Mar 30 2025

.KEY MESSAGES...

-Light snow will continue into the evening over far western SD
 into Northeast WY, with little to no accumulation expected

-A series of disturbances will bring chances for rain/snow to the
 region through much of the week

-A stronger disturbance will bring a good chance of rain and snow
 to the region Tues, with snow accumulations possible Tues night

-Temperatures to remain mainly below seasonal norms through the
 week

&&

.DISCUSSION...(This Evening Through Sunday)
Issued at 149 PM MDT Sun Mar 30 2025

Potent Pac upper jet continues to support unsettled flow over the
Pac, bringing a series of impulses into the western CONUS. This
pattern will continue through the week, with several rounds of Pac
systems into the region. Weak impulse continues to move east
across the region today with another around of light snow moving
across northeast WY and far western SD. Light snow will move east
and diminish through evening, with little to no accums expected.
Cool and moist easterly upslope flow will continue overnight with
widespread low clouds. Patchy fog will also be possible along the
north and east slopes of the Black Hills. Deeper trough will move
into the western CONUS Monday and support increasing return flow
over the region. Gusty southeast winds will develop Monday with
some gusts over 40 mph possible across far NW SD. Temps will
struggle into 30s/40s given cloud cover and moist upslope flow,
with the warmest temps in western Campbell County where the BL
will mix out. Weak impulse will traverse the flow ahead of this
system with associated steep lapse rates and will support
scattered rain or snow showers over the western third. Isolate
thunderstorms will also be possible from northeast WY into far
southwest SD in the late afternoon and early evening. This area of
lift will support slightly better chances for mostly rain on the
SD Plains Monday night where pos theta-e adv will ensue. Some
freezing rain or snow will also be possible across NW SD a well,
hinging on how the thermal fields set up. The main/stronger wave
will push out of the Rockies Tue and support a good chance of rain
and snow over the region. Rain will change to snow Tue night with
some potential for concentrated banding per steep mid level
lapses rates and a strong FGEN signal. Low confidence remains per
details WRT this system, given poor model consensus and the fact
that snow amounts will likely be driven by mesoscale processes.
After Wed, things dry out with just some chances for showers at
times as semi-unsettled westerly flow continues. Temps will also
moderate some by the end of the week, but still remain around
seasonal norms.

&&

.AVIATION...(For the 18Z TAFS Through 18Z Monday)
Issued At 1108 AM MDT Sun Mar 30 2025

IFR/LIFR cigs will continue across much of the region through the
valid terminal forecast period. Areas of light snow in the KGCC
terminal will push east into the Black Hills region through 00z
creating pockets of MVFR/IFR vsbys as well. Look for some
improvement in the cigs from west to east beginning late in the
terminal forecast period.

&&

.UNR WATCHES/WARNINGS/ADVISORIES...
SD...None.
WY...None.
&&

$$

DISCUSSION/KEY MESSAGES...JC
AVIATION...Hintz
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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