Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Mostly Cloudy

70°F

21°C

Humidity	94%
Wind Speed	E 8 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	17 Aug 05:35 AM MDT

More Information:

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

Extended Forecast for

Sidney MT

Overnight
Low: 63 °F
Chance
Showers
Sunday
High: 86 °F
Slight Chance
Showers then
Slight Chance
T-storms
Sunday Night
Low: 63 °F
Slight Chance
T-storms
Monday
High: 89 °F
Slight Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny
Tuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 100 °F
Hot
Wednesday Night
Low: 65 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of showers. Mostly cloudy, with a low around 63. East northeast wind around 6 mph.

Sunday

A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. South southeast wind around 6 mph. Chance of precipitation is 20%.

Sunday Night

A 20 percent chance of showers and thunderstorms, mainly between 3am and 5am. Increasing clouds, with a low around 63. East northeast wind around 6 mph becoming calm in the evening.

Monday

A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 89. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 20%.

Monday Night

Mostly clear, with a low around 63. East southeast wind around 6 mph becoming calm after midnight.

Tuesday

Sunny, with a high near 95. Calm wind becoming southeast around 6 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 67. Southeast wind around 7 mph.

Wednesday

Sunny and hot, with a high near 100. South southeast wind 6 to 11 mph, with gusts as high as 21 mph.

Wednesday Night

Partly cloudy, with a low around 65. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph.

Thursday

Sunny, with a high near 85. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.