National Weather Service Forecast for: Sidney NE
Issued by: National Weather Service Cheyenne, WY
Updated: 4:02 pm MST Dec 18, 2025
 
Tonight

Tonight: Partly cloudy, with a temperature falling to near 26 by 8pm, then rising to around 31 during the remainder of the night. West wind 5 to 15 mph becoming south in the evening.
Partly Cloudy
 Friday

Friday: Mostly sunny, with a high near 65. Breezy, with a west wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Mostly Sunny
and Breezy
 Friday
Night
Friday Night: Mostly cloudy, with a low around 25. West wind around 15 mph becoming north after midnight.
Mostly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 43. North wind 5 to 10 mph.
Mostly Sunny
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 22. South southwest wind around 5 mph.
Partly Cloudy
 Sunday

Sunday: Partly sunny, with a high near 52.
Partly Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 30.
Partly Cloudy
 Monday

Monday: Mostly sunny, with a high near 68.
Mostly Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 31.
Partly Cloudy
Lo 26 °F⇑ Hi 65 °F Lo 25 °F Hi 43 °F Lo 22 °F Hi 52 °F Lo 30 °F Hi 68 °F Lo 31 °F

Hazardous Weather Outlook
Red Flag Warning
Red Flag Warning
 

Tonight
 
 Partly cloudy, with a temperature falling to near 26 by 8pm, then rising to around 31 during the remainder of the night. West wind 5 to 15 mph becoming south in the evening.
Friday
 
 Mostly sunny, with a high near 65. Breezy, with a west wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
 
 Mostly cloudy, with a low around 25. West wind around 15 mph becoming north after midnight.
Saturday
 
 Mostly sunny, with a high near 43. North wind 5 to 10 mph.
Saturday Night
 
 Partly cloudy, with a low around 22. South southwest wind around 5 mph.
Sunday
 
 Partly sunny, with a high near 52.
Sunday Night
 
 Partly cloudy, with a low around 30.
Monday
 
 Mostly sunny, with a high near 68.
Monday Night
 
 Partly cloudy, with a low around 31.
Tuesday
 
 Mostly sunny, with a high near 62.
Tuesday Night
 
 Mostly cloudy, with a low around 31.
Wednesday
 
 Mostly sunny, with a high near 65.
Wednesday Night
 
 Partly cloudy, with a low around 34.
Christmas Day
 
 Mostly sunny, with a high near 62.

 

Forecast from NOAA-NWS for Sidney NE.