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Sidney, Nebraska 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Sidney NE
National Weather Service Forecast for: Sidney NE
Issued by: National Weather Service Cheyenne, WY
Updated: 4:26 am MDT Jun 27, 2025
 
Today

Today: A slight chance of showers and thunderstorms between 2pm and 5pm.  Sunny and hot, with a high near 92. South southwest wind 10 to 15 mph.  Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
Tonight

Tonight: Partly cloudy, with a low around 59. South southeast wind 10 to 15 mph becoming southwest after midnight.
Partly Cloudy

Saturday

Saturday: Sunny and hot, with a high near 91. West southwest wind 5 to 10 mph becoming east northeast in the afternoon.
Hot

Saturday
Night
Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 58. East southeast wind 5 to 10 mph becoming west northwest after midnight.
Chance
T-storms then
Mostly Cloudy
Sunday

Sunday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85. North wind 10 to 15 mph becoming east in the afternoon.
Mostly Sunny
then Chance
T-storms
Sunday
Night
Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 55. Chance of precipitation is 40%.
Chance
T-storms then
Slight Chance
Showers
Monday

Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81.
Mostly Sunny
then Slight
Chance
T-storms
Monday
Night
Monday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 56.
Chance
T-storms then
Mostly Cloudy
Tuesday

Tuesday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 84.
Sunny then
Slight Chance
T-storms
Hi 92 °F Lo 59 °F Hi 91 °F Lo 58 °F Hi 85 °F Lo 55 °F Hi 81 °F Lo 56 °F Hi 84 °F

Hazardous Weather Outlook
 

Today
 
A slight chance of showers and thunderstorms between 2pm and 5pm. Sunny and hot, with a high near 92. South southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
 
Partly cloudy, with a low around 59. South southeast wind 10 to 15 mph becoming southwest after midnight.
Saturday
 
Sunny and hot, with a high near 91. West southwest wind 5 to 10 mph becoming east northeast in the afternoon.
Saturday Night
 
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58. East southeast wind 5 to 10 mph becoming west northwest after midnight.
Sunday
 
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. North wind 10 to 15 mph becoming east in the afternoon.
Sunday Night
 
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 40%.
Monday
 
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Monday Night
 
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.
Tuesday
 
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Tuesday Night
 
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Wednesday
 
Sunny, with a high near 87.
Wednesday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Thursday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.

 

Forecast from NOAA-NWS for Sidney NE.

Weather Forecast Discussion
122
FXUS65 KCYS 271132
AFDCYS

Area Forecast Discussion
National Weather Service Cheyenne WY
532 AM MDT Fri Jun 27 2025

.KEY MESSAGES...

- A Red Flag Warning has been issued for portions of Carbon
  County on Friday.

- Fire weather conditions remain elevated through the weekend
  for areas west of the Laramie Range.

- Warm temperatures and daily coverage of scattered afternoon
  and evening showers and thunderstorms expected for the weekend
  through Thursday.

&&

.SHORT TERM /THROUGH SATURDAY/...
Issued at 235 PM MDT Thu Jun 26 2025

Looking at Water Vapor imagery, there`s a lot of dry air at the
lower levels that keeps us from getting some scattered showers as a
small shortwave pushes through the intermountain west later this
afternoon/evening. There may be quick isolated showers as some
moisture floats in from the midlevels as seen on water vapor, but
it`s uncertain if it will be enough to spark anything. Most of the
more abundant water vapor is still shown to be in the Pacific
Northwest. As the shortwave moves through there may be around a
couple hundred joules of CAPE still left but doesn`t look like it
may be enough to produce anything strong or severe. A few bolts of
lightning may still be generated along with some thunder and light
rain. Models depict most of these showers will be contained in the
mountains if they were to develop. Friday, Looks to be almost the
same scenario as a weak shortwave looks to push through the
Intermountain West. Friday, will also be a little bit warmer with
temperatures in the 80`s east of I-25 and in the 70`s possibly 80`s
in the mountains. There is a little more CAPE especially in the
Panhandle with progged values around 1000-1500 j/kg. However, most
models have the storms developing mostly in the Panhandle where the
moisture is a little better with the higher CAPE values. SPC did
issue a Marginal risk for the southern panhandle as most of the
convection seems to develop late, strengthen quickly but also move
out of our CWA quickly as well. There are some embedded vort-maxes
that will move with the shortwave but it`s uncertain if the timing
of the forcing will line up with our diurnal heating and moisture.
The winds will be a little gusty and the RH values are forecasted to
be below 15 percent so a fire weather watch was also issued for
Carbon county Friday as well since their fuels were reported to be
turned over already due to the lack of rain in that county.

&&

.LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...
Issued at 235 PM MDT Thu Jun 26 2025

Saturday...Zonal flow aloft continues. Another warm day expected
with 700 mb temperatures near 15 Celsius, yielding high temperatures
from the mid 80s to mid 90s. With a shortwave trough overhead, and
low level convergence noted near the Wyoming and Nebraska state
line, we anticipate isolated to scattered afternoon and evening
showers and thunderstorms along and east of I-25.

Sunday...Somewhat cooler temperatures in the wake of a cold front
and with an increase in cloud cover. Looks like adequate low and mid
level moisture for scattered late day showers and thunderstorms,
mainly east of I-25.

Monday...Temperatures about the same as on Sunday, with low level
upslope east winds and 700 mb temperatures near 11 Celsius. Despite
adequate low and mid level moisture, we may see a decrease in
coverage of showers and thunderstorms due to ridging aloft.

Tuesday...A warming trend develops as 700 mb temperatures rise to
near 13 Celsius. Adequate moisture aloft for isolated to scattered
late day showers and thunderstorms, mainly east of I-25.

Wednesday...The warming trend continues as 700 mb temperatures reach
14 Celsius. Moisture looks a bit more prevalent than Tuesday, thus
we should see an increase in convective coverage, including west of
I-25.

Thursday...Similar temperatures to Wednesday with 700 mb
temperatures near 14 Celsius. Adequate low and mid level moisture
again, thus scattered late day showers and thunderstorms
expected.&&

.AVIATION /12Z TAFS THROUGH 12Z SATURDAY/...
Issued at 525 AM MDT Fri Jun 27 2025

Light winds and clear skies prevail to start the TAF period.
Light fog will be possible at KBFF, KCDR, and KAIA, but has not
developed and is further north near KRAP. Cloud cover increases
through the late morning and early afternoon hours with
isolated showers and storms drifting across much of southeast
Wyoming and western Nebraska. Confidence is low at this time in
any of these showers impacting terminals, but included best
estimate for timing on any showers that develop this afternoon.

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...Red Flag Warning from noon today to 6 PM MDT this evening for
     WYZ421>423-425-427.
NE...None.

&&

$$

SHORT TERM...MM
LONG TERM...RUBIN
AVIATION...WFO-RIW
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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