National Weather Service Forecast for: Sidney NE
Issued by: National Weather Service Cheyenne, WY
Updated: 1:56 am MDT Mar 19, 2026
 
Today

Today: Sunny, with a high near 83. West northwest wind around 15 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 42. West northwest wind 10 to 15 mph.
Mostly Clear
 Friday

Friday: Sunny, with a high near 84. Northwest wind 10 to 15 mph.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 40. North northwest wind around 10 mph becoming west southwest in the evening.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 89. West wind 10 to 15 mph.
Sunny
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 35.
Partly Cloudy
 Sunday

Sunday: Mostly sunny, with a high near 58.
Mostly Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 30.
Partly Cloudy
 Monday

Monday: Mostly sunny, with a high near 69.
Mostly Sunny
Hi 83 °F Lo 42 °F Hi 84 °F Lo 40 °F Hi 89 °F Lo 35 °F Hi 58 °F Lo 30 °F Hi 69 °F

Hazardous Weather Outlook
Red Flag Warning
 

Today
 
 Sunny, with a high near 83. West northwest wind around 15 mph.
Tonight
 
 Mostly clear, with a low around 42. West northwest wind 10 to 15 mph.
Friday
 
 Sunny, with a high near 84. Northwest wind 10 to 15 mph.
Friday Night
 
 Mostly clear, with a low around 40. North northwest wind around 10 mph becoming west southwest in the evening.
Saturday
 
 Sunny, with a high near 89. West wind 10 to 15 mph.
Saturday Night
 
 Partly cloudy, with a low around 35.
Sunday
 
 Mostly sunny, with a high near 58.
Sunday Night
 
 Partly cloudy, with a low around 30.
Monday
 
 Mostly sunny, with a high near 69.
Monday Night
 
 Mostly cloudy, with a low around 38.
Tuesday
 
 Partly sunny, with a high near 74.
Tuesday Night
 
 Partly cloudy, with a low around 43.
Wednesday
 
 Sunny, with a high near 88. Breezy.

 

Forecast from NOAA-NWS for Sidney NE.