Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

NA

84°F

29°C

Humidity 19%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index81°F (27°C)
Last update 29 Sep 03:00 PM MDT
Extended Forecast for

Ovando MT

  • Tonight

    Tonight: A chance of rain before 1am, then a chance of rain after 3am.  Mostly cloudy, with a low around 40. West wind 10 to 15 mph becoming light and variable  in the evening. Winds could gust as high as 38 mph.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely before 9am, then a slight chance of showers and thunderstorms after 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 60%.

    High: 72 °F

    Rain Likely
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain after 9pm.  Mostly cloudy, with a low around 35. West wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before noon.  Mostly sunny, with a high near 70. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 70 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 33. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain.  Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Widespread frost, mainly after 2am.  Otherwise, partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy
    then Frost

Detailed Forecast

Tonight
A chance of rain before 1am, then a chance of rain after 3am. Mostly cloudy, with a low around 40. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 38 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely before 9am, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain after 9pm. Mostly cloudy, with a low around 35. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 70. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 33. West wind 5 to 9 mph becoming calm in the evening.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 64.
Friday Night
Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 27.
Saturday
A slight chance of rain after noon. Partly sunny, with a high near 61.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 25.
Sunday
A chance of rain and snow. Partly sunny, with a high near 55.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 21.
Monday
A slight chance of rain and snow. Snow level 5100 feet rising to 6400 feet in the afternoon. Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Ovando MT
 47.02°N 113.12°W (Elev. 4172 ft)
2:41 pm MDT Sep 29, 2025
3pm MDT Sep 29, 2025-6pm MDT Oct 6, 2025
 
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Additional Resources

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