59270 Weather (Sidney, MT)

Weather forecast for: Sidney MT

Last Update: 3:20 pm MDT Oct 29, 2026

Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 25. North northeast wind around 5 mph.

Friday: Patchy fog before noon. Otherwise, partly sunny, with a high near 51. East wind 6 to 13 mph, with gusts as high as 23 mph.

Friday Night: Cloudy, with a low around 38. East southeast wind 5 to 10 mph, with gusts as high as 21 mph.

Saturday: A 20 percent chance of rain before noon. Cloudy, with a high near 58. East southeast wind 3 to 5 mph.

Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 39. Light and variable wind.

Sunday: Cloudy, with a high near 58. Calm wind becoming east 5 to 7 mph in the afternoon.

Sunday Night: A 50 percent chance of rain, mainly after midnight. Cloudy, with a low around 41. East wind around 7 mph.

Monday: Rain likely. Mostly cloudy, with a high near 53. North wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

Monday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 32. North northwest wind 8 to 13 mph becoming light northwest after midnight. Winds could gust as high as 23 mph.

Tuesday: A 20 percent chance of rain before noon. Partly sunny, with a high near 53. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.

Tuesday Night: Mostly cloudy, with a low around 31. West northwest wind 3 to 6 mph.

Wednesday: Mostly sunny, with a high near 48.

Wednesday Night: Mostly clear, with a low around 25.

Thursday: Mostly sunny, with a high near 52.