Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Sidney-Richland (KSDY)

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

Clear

72°F

22°C

Humidity	68%
Wind Speed	SE 10 MPH
Barometer	30.08 in (1018.63 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	02 Aug 09:20 AM MDT

More Information:

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

Extended Forecast for

Sidney MT

Today
High: 83 °F
Mostly Cloudy
then Slight
Chance
Showers
Tonight
Low: 60 °F
Chance
T-storms
Sunday
High: 83 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 60 °F
Chance
T-storms
Monday
High: 86 °F
Slight Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 62 °F
Partly Cloudy
then Slight
Chance
T-storms
Tuesday
High: 83 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 58 °F
Chance
T-storms then
Slight Chance
Showers
Wednesday
High: 85 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of showers after 4pm. Partly sunny, with a high near 83. Southeast wind around 9 mph.

Tonight

A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60. East southeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%.

Sunday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 83. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 60. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

Monday

A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 86. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Monday Night

A slight chance of showers between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 62. East southeast wind around 7 mph. Chance of precipitation is 20%.

Tuesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 83. Southeast wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 58. East southeast wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%.

Wednesday

Sunny, with a high near 85. West wind 3 to 8 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 60. West northwest wind 5 to 7 mph becoming light and variable in the evening.

Thursday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. South wind 3 to 8 mph.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 80.