National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

HARLEM (HRLM)

Lat: 48.54333°NLon: 108.83472°WElev: 2358.0ft.

NA

68°F

20°C

Humidity 69%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 28 Aug 03:00 AM MDT
Extended Forecast for

Chinook MT

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Southwest wind around 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89. West wind 6 to 8 mph.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56. West southwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers, mainly between noon and 4pm. Patchy smoke between 9am and 3pm. Mostly cloudy, with a high near 83. Light and variable wind becoming south southwest 5 to 9 mph in the morning.

    High: 83 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 52. South wind 3 to 8 mph. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 71. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 47. Breezy, with a west southwest wind 18 to 23 mph, with gusts as high as 33 mph.

    Low: 47 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A slight chance of showers before noon. Sunny, with a high near 76. West wind 14 to 21 mph, with gusts as high as 31 mph.

    High: 76 °F

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 89. West wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 56. West southwest wind 5 to 8 mph becoming light and variable after midnight.
Saturday
A 40 percent chance of showers, mainly between noon and 4pm. Patchy smoke between 9am and 3pm. Mostly cloudy, with a high near 83. Light and variable wind becoming south southwest 5 to 9 mph in the morning.
Saturday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 52. South wind 3 to 8 mph. Chance of precipitation is 70%.
Sunday
Showers likely before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 71. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47. Breezy, with a west southwest wind 18 to 23 mph, with gusts as high as 33 mph.
Monday
A slight chance of showers before noon. Sunny, with a high near 76. West wind 14 to 21 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 86.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 54.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 82.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.6°N 109.23°W (Elev. 2408 ft)
Last Update:
3:47 am MDT Aug 28, 2026
Forecast Valid:
3am MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation