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

Excessive Rainfall in the Southern Plains, Ozarks, and Upper Midwest Thursday

Heavy thunderstorms will continue areas of excessive rainfall and locally considerable flooding over parts of the southern Plains into the mid-Mississippi River Valley through Friday. Heavy to excessive rainfall may bring flash and urban flooding, along with isolated riverine flooding to a part of the Upper Midwest Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

HARLEM (HRLM)

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

NA

56°F

13°C

Humidity 57%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 12 Jun 06:00 AM MDT
Extended Forecast for

Chinook MT

  • Today

    Today: Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Widespread haze between 9am and 2pm. High near 64. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Tonight

    Tonight: A chance of showers before 10pm, then a slight chance of showers after midnight. Mostly cloudy, with a low around 50. East southeast wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. East southeast wind around 10 mph. Chance of precipitation is 60%.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. East southeast wind 5 to 9 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 78. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51. West northwest wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Partly sunny, with a high near 80. Light and variable wind becoming south southwest 5 to 8 mph in the morning.

    High: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 51. East wind 5 to 9 mph becoming west southwest after midnight.

    Low: 51 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Widespread haze between 9am and 2pm. High near 64. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers before 10pm, then a slight chance of showers after midnight. Mostly cloudy, with a low around 50. East southeast wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. East southeast wind around 10 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. East southeast wind 5 to 9 mph. Chance of precipitation is 60%.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 78. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51. West northwest wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 80. Light and variable wind becoming south southwest 5 to 8 mph in the morning.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 51. East wind 5 to 9 mph becoming west southwest after midnight.
Monday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 76.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.6°N 109.23°W (Elev. 2408 ft)
Last Update:
4:23 am MDT Jun 12, 2025
Forecast Valid:
6am MDT Jun 12, 2025-6pm MDT Jun 18, 2025
 
Forecast Discussion
 
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Additional Resources

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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