Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

CW7710 Logan (C7710)

Lat: 45.87717°NLon: 111.4105°WElev: 4230.51ft.

NA

59°F

15°C

Humidity 82%
Wind Speed E 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 18 Sep 10:23 PM MDT
Extended Forecast for

5 Miles ENE Manhattan MT

Flood Watch until September 19, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until September 19, 06:00pm

    NOW until 6:00pm Sat

    Flood Watch

  • Tonight

    Low: 51 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  High near 58. North wind 3 to 5 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of rain before 4am, then a slight chance of rain after 5am.  Areas of fog after 3am.  Otherwise, mostly cloudy, with a low around 48. Light north wind.  Chance of precipitation is 50%.

    Low: 48 °F

    Chance Rain
    and Areas Fog

  • Sunday

    Sunday: Areas of fog before noon.  Otherwise, partly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Calm wind.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 51. North northeast wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 58. North wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of rain before 4am, then a slight chance of rain after 5am. Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 48. Light north wind. Chance of precipitation is 50%.
Sunday
Areas of fog before noon. Otherwise, partly sunny, with a high near 66. Calm wind.
Sunday Night
Mostly clear, with a low around 45. Light and variable wind.
Monday
Sunny, with a high near 73. Calm wind.
Monday Night
Mostly clear, with a low around 47. Calm wind.
Tuesday
Mostly sunny, with a high near 75. Calm wind.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 49.
Friday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Manhattan MT
 45.9°N 111.24°W (Elev. 4600 ft)
10:21 pm MDT Sep 18, 2026
10pm MDT Sep 18, 2026-6pm MDT Sep 25, 2026
 
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Additional Resources

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