Heat Wave in the Northeastern U.S.; Severe Thunderstorms and Excessive Rainfall in the Plains and Upper Midwest; Critical Fire Weather in the Southwestern U.S.

The first significant heat wave this season will impact much of the Midwest, Great Lakes, Mid-Atlantic and Northeast this week. Record high temperatures and rapid onset drought is possible. In the northern Plains and Upper Midwest, strong to severe thunderstorms with excessive rainfall are possible today. Dry, gusty winds will bring critical fire weather to the Four Corners and central California. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

Lat: 47.91973°NLon: 104.32619°WElev: 2480.0ft.

unknown precip

55°F

13°C

Humidity	82%
Wind Speed	ENE 5 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	17 Jun 02:30 PM MDT

More Information:

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

Extended Forecast for

5 Miles SW Sidney MT

This Afternoon
High: 65 °F
Showers
Tonight
Low: 45 °F
Showers
Tuesday
High: 56 °F
Showers
Tuesday Night
Low: 37 °F
Chance
Showers then
Mostly Clear
Juneteenth
High: 72 °F
Sunny
Wednesday Night
Low: 47 °F
Mostly Clear
Thursday
High: 77 °F
Mostly Sunny
then Slight
Chance
Showers
Thursday Night
Low: 54 °F
Chance
T-storms then
Chance
Showers
Friday
High: 73 °F
Chance
Showers

Detailed Forecast

This Afternoon

A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 65. East wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

Tonight

Showers and possibly a thunderstorm. Low around 45. North northeast wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

Tuesday

Showers, mainly before 5pm. High near 56. North wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Tuesday Night

A 30 percent chance of showers, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 37. North northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

Juneteenth

Sunny, with a high near 72. South wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 47. Southeast wind 5 to 9 mph.

Thursday

A 20 percent chance of showers after noon. Mostly sunny, with a high near 77. East southeast wind 5 to 14 mph, with gusts as high as 21 mph.

Thursday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East wind 6 to 14 mph, with gusts as high as 20 mph.

Friday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. East wind 6 to 11 mph, with gusts as high as 18 mph.

Friday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East wind 5 to 10 mph.

Saturday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. Northeast wind 5 to 11 mph becoming north northwest in the afternoon.

Saturday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 53.

Sunday

Sunny, with a high near 83.