Sky Warn 2026

Hazardous Weather Conditions

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

90°F

32°C

Humidity	12%
Wind Speed	WSW 5 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Heat Index	86°F (30°C)
Last update	25 May 02:45 PM MDT

More Information:

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

Extended Forecast for

Culbertson MT

Heat Advisory May 26, 12:00pm until May 26, 09:00pm

Red Flag Warning May 26, 12:00pm until May 26, 09:00pm

Click here for hazard details and duration

Heat Advisory

Red Flag Warning

Tonight
Low: 61 °F
Partly Cloudy
Tuesday
High: 99 °F
Sunny then
Mostly Sunny
and Breezy
Tuesday Night
Low: 63 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Wednesday
High: 98 °F
Mostly Sunny
then Sunny
and Breezy
Wednesday Night
Low: 65 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Thursday
High: 96 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Thursday Night
Low: 65 °F
Mostly Cloudy
and Breezy
then Partly
Cloudy
Friday
High: 89 °F
Mostly Sunny
then Sunny
and Breezy
Friday Night
Low: 64 °F
Slight Chance
T-storms and
Breezy then
Partly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 61. Calm wind becoming east southeast 5 to 8 mph in the evening.

Tuesday

Mostly sunny and hot, with a high near 99. Breezy, with an east southeast wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.

Tuesday Night

Mostly cloudy, with a low around 63. Breezy, with an east wind 18 to 24 mph, with gusts as high as 39 mph.

Wednesday

Sunny and hot, with a high near 98. Breezy, with an east southeast wind 18 to 26 mph, with gusts as high as 41 mph.

Wednesday Night

Partly cloudy, with a low around 65. Breezy, with a southeast wind 16 to 25 mph, with gusts as high as 41 mph.

Thursday

Mostly sunny and hot, with a high near 96. Breezy, with a south southeast wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph.

Thursday Night

Partly cloudy, with a low around 65. Breezy, with a southeast wind 15 to 24 mph, with gusts as high as 40 mph.

Friday

Mostly sunny, with a high near 89. Breezy, with a southeast wind 14 to 24 mph, with gusts as high as 40 mph.

Friday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. Breezy, with a southeast wind 16 to 24 mph, with gusts as high as 40 mph.

Saturday

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Breezy, with a southeast wind 16 to 24 mph, with gusts as high as 38 mph.

Saturday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Breezy, with a southeast wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 40 mph.

Sunday

A slight chance of showers. Mostly sunny, with a high near 83.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.

Monday

A slight chance of showers. Mostly sunny, with a high near 82.