Excessive Rainfall Areas Today; Tropical Storm Jerry Forms

Heavy to excessive rainfall is possible today and tonight ahead of and along a cold front crossing portions of Kentucky, middle Tennessee, the Ohio Valley and New Mexico. Tropical Storm Jerry, the tenth named storm of the 2025 season, has formed over the central tropical Atlantic. Jerry is expected to be near or north of the northern Leeward Islands on Thursday and Friday. Read More >

Current conditions at

Sidney-Richland (KSDY)

Lat: 47.7°NLon: 104.2°WElev: 1985.0ft.

Clear

66°F

19°C

Humidity	32%
Wind Speed	S 10 MPH
Barometer	30.11 in (1019.64 mb)
Dewpoint	36°F (2°C)
Visibility	8.00 mi
Last update	07 Oct 04:56 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles SSW Sidney MT

Tonight
Low: 38 °F
Mostly Clear
Wednesday
High: 74 °F
Sunny
Wednesday Night
Low: 38 °F
Mostly Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 37 °F
Mostly Clear
Friday
High: 73 °F
Sunny
Friday Night
Low: 51 °F
Partly Cloudy
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 43 °F
Chance
Showers

Detailed Forecast

Tonight

Mostly clear, with a low around 38. South wind 6 to 8 mph.

Wednesday

Sunny, with a high near 74. South wind 7 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 38. South southeast wind around 6 mph becoming calm in the evening.

Thursday

Sunny, with a high near 72. Calm wind becoming north 5 to 7 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 37. North northeast wind around 6 mph becoming calm in the evening.

Friday

Sunny, with a high near 73. Light east wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 26 mph.

Friday Night

Partly cloudy, with a low around 51. Southeast wind around 14 mph, with gusts as high as 25 mph.

Saturday

Sunny, with a high near 79. South southeast wind 11 to 14 mph, with gusts as high as 23 mph.

Saturday Night

A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 43. West northwest wind around 10 mph, with gusts as high as 18 mph.

Sunday

A 30 percent chance of showers, mainly before noon. Mostly sunny, with a high near 59. West northwest wind 11 to 16 mph, with gusts as high as 28 mph.

Sunday Night

Partly cloudy, with a low around 31. West northwest wind 6 to 13 mph, with gusts as high as 22 mph.

Columbus Day

Mostly sunny, with a high near 54.

Monday Night

A slight chance of showers. Mostly cloudy, with a low around 34.

Tuesday

A slight chance of showers. Mostly sunny, with a high near 56.