Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Extreme Heat Warning in effect from August 1, 12:00 PM MDT until August 2, 06:00 PM MDT
Red Flag Warning in effect from August 1, 02:00 PM MDT until August 2, 09:00 PM MDT

Current conditions at

Sidney-Richland (KSDY)

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

Clear

92°F

33°C

Humidity	28%
Wind Speed	N 0 MPH
Barometer	29.75 in (1007.45 mb)
Dewpoint	55°F (13°C)
Visibility	9.00 mi
Heat Index	90°F (32°C)
Last update	01 Aug 07:56 PM MDT

More Information:

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

Extended Forecast for

Sidney MT

Red Flag Warning until August 2, 09:00pm

Extreme Heat Warning until August 2, 06:00pm

Click here for hazard details and duration

Red Flag Warning

Extreme Heat Warning

Red Flag Warning until August 2, 09:00pm
Extreme Heat Warning until August 2, 06:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 69 °F
Haze then
Mostly Cloudy
Sunday
High: 93 °F
Mostly Sunny
then Haze
Sunday Night
Low: 58 °F
Mostly Clear
Monday
High: 75 °F
Mostly Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 49 °F
Mostly Clear
Wednesday
High: 88 °F
Mostly Sunny

Detailed Forecast

Tonight

Widespread haze before midnight. Increasing clouds, with a low around 69. East wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 24 mph.

Sunday

Widespread haze between noon and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. South southwest wind 9 to 14 mph becoming north northwest 16 to 21 mph in the morning. Winds could gust as high as 30 mph.

Sunday Night

Mostly clear, with a low around 58. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.

Monday

Mostly sunny, with a high near 75. West northwest wind 15 to 21 mph, with gusts as high as 34 mph.

Monday Night

Mostly clear, with a low around 46. West northwest wind 16 to 21 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph.

Tuesday

Sunny, with a high near 77. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

Tuesday Night

Mostly clear, with a low around 49. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

Wednesday

Mostly sunny, with a high near 88. Light south southwest wind becoming southwest 5 to 9 mph in the morning.