NWS Forecast for Rupert ID

National Weather Service Forecast for: Rupert ID
Issued by: National Weather Service Pocatello, ID

Updated: 4:31 pm MST Feb 1, 2026

Tonight Decreasing Clouds	Monday Mostly Sunny	Monday Night Partly Cloudy	Tuesday Mostly Sunny	Tuesday Night Partly Cloudy	Wednesday Mostly Sunny	Wednesday Night Partly Cloudy	Thursday Sunny	Thursday Night Mostly Clear
Lo 28 °F	Hi 46 °F	Lo 28 °F	Hi 47 °F	Lo 28 °F	Hi 50 °F	Lo 28 °F	Hi 52 °F	Lo 29 °F

Tonight	Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West southwest wind around 7 mph.
Monday	Mostly sunny, with a high near 46. West wind 5 to 7 mph.
Monday Night	Partly cloudy, with a low around 28. West northwest wind around 6 mph becoming light and variable after midnight.
Tuesday	Mostly sunny, with a high near 47. Light and variable wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night	Partly cloudy, with a low around 28. Light and variable wind.
Wednesday	Mostly sunny, with a high near 50.
Wednesday Night	Partly cloudy, with a low around 28.
Thursday	Sunny, with a high near 52.
Thursday Night	Mostly clear, with a low around 29.
Friday	Sunny, with a high near 53.
Friday Night	Partly cloudy, with a low around 31.
Saturday	Mostly sunny, with a high near 52.
Saturday Night	Partly cloudy, with a low around 32.
Sunday	A 10 percent chance of rain. Mostly sunny, with a high near 53.

Forecast from NOAA-NWS for Rupert ID.