National Weather Service Forecast for: Sidney NE
Issued by: National Weather Service Cheyenne, WY
Updated: 4:36 pm MST Dec 19, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 26. West southwest wind around 15 mph becoming north after midnight.
Mostly Cloudy
Saturday

Saturday: Partly sunny, with a high near 43. North northwest wind 5 to 10 mph.
Partly Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 23. South southwest wind around 5 mph.
Partly Cloudy
Sunday

Sunday: Partly sunny, with a high near 54. South southwest wind 10 to 15 mph.
Partly Sunny
Sunday
Night
Sunday Night: Partly cloudy, with a low around 30. West southwest wind 5 to 10 mph.
Partly Cloudy
Monday

Monday: Mostly sunny, with a high near 66.
Mostly Sunny
Monday
Night
Monday Night: Mostly cloudy, with a low around 29.
Mostly Cloudy
Tuesday

Tuesday: Partly sunny, with a high near 58.
Partly Sunny
Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 30.
Mostly Cloudy
Lo 26 °F Hi 43 °F Lo 23 °F Hi 54 °F Lo 30 °F Hi 66 °F Lo 29 °F Hi 58 °F Lo 30 °F

Hazardous Weather Outlook
Red Flag Warning
 

Tonight
 
Mostly cloudy, with a low around 26. West southwest wind around 15 mph becoming north after midnight.
Saturday
 
Partly sunny, with a high near 43. North northwest wind 5 to 10 mph.
Saturday Night
 
Partly cloudy, with a low around 23. South southwest wind around 5 mph.
Sunday
 
Partly sunny, with a high near 54. South southwest wind 10 to 15 mph.
Sunday Night
 
Partly cloudy, with a low around 30. West southwest wind 5 to 10 mph.
Monday
 
Mostly sunny, with a high near 66.
Monday Night
 
Mostly cloudy, with a low around 29.
Tuesday
 
Partly sunny, with a high near 58.
Tuesday Night
 
Mostly cloudy, with a low around 30.
Wednesday
 
Mostly sunny, with a high near 66.
Wednesday Night
 
Mostly cloudy, with a low around 35.
Christmas Day
 
Sunny, with a high near 64. Breezy.
Thursday Night
 
Partly cloudy, with a low around 33.
Friday
 
Mostly sunny, with a high near 60.

 

Forecast from NOAA-NWS for Sidney NE.