National Weather Service Forecast for: Sidney NE
Issued by: National Weather Service Cheyenne, WY
Updated: 12:51 pm MDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 55. Southeast wind 5 to 15 mph becoming east northeast after midnight.
Mostly Clear

Juneteenth

Juneteenth: Sunny, with a high near 85. North wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunny

Friday
Night
Friday Night: Clear, then becoming mostly cloudy toward daybreak, with a low around 55. Breezy, with an east southeast wind 10 to 20 mph.
Partly Cloudy
and Breezy
then Partly
Cloudy
Saturday

Saturday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 85. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.
Partly Sunny
then Showers
Likely and
Breezy
Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before midnight, then a slight chance of showers.  Low around 54. East wind 10 to 15 mph becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 80%.
Showers then
Slight Chance
Showers
Sunday

Sunday: A 40 percent chance of showers and thunderstorms after noon.  Mostly cloudy, then gradually becoming sunny, with a high near 81. Breezy.
Mostly Sunny
then Chance
T-storms and
Breezy
Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 50. Breezy.
Slight Chance
T-storms and
Breezy then
Partly Cloudy
Monday

Monday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 78.
Partly Sunny
then Chance
T-storms
Monday
Night
Monday Night: Showers likely and possibly a thunderstorm.  Partly cloudy, with a low around 51.
Showers
Likely

Lo 55 °F Hi 85 °F Lo 55 °F Hi 85 °F Lo 54 °F Hi 81 °F Lo 50 °F Hi 78 °F Lo 51 °F

 

Tonight
 
Mostly clear, with a low around 55. Southeast wind 5 to 15 mph becoming east northeast after midnight.
Juneteenth
 
Sunny, with a high near 85. North wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
 
Clear, then becoming mostly cloudy toward daybreak, with a low around 55. Breezy, with an east southeast wind 10 to 20 mph.
Saturday
 
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 85. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Saturday Night
 
Showers and possibly a thunderstorm before midnight, then a slight chance of showers. Low around 54. East wind 10 to 15 mph becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Sunday
 
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, then gradually becoming sunny, with a high near 81. Breezy.
Sunday Night
 
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. Breezy.
Monday
 
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 78.
Monday Night
 
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 51.
Tuesday
 
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 77.
Tuesday Night
 
A chance of showers. Partly cloudy, with a low around 51.
Wednesday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Wednesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Thursday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.

 

Forecast from NOAA-NWS for Sidney NE.