Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

Lat: 42.4785°NLon: 114.47739°WElev: 4163.0ft.

Partly Cloudy

59°F

15°C

Humidity 77%
Wind Speed NNW 8 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 30 Sep 05:53 PM MDT
Extended Forecast for

4 Miles ENE Castleford ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. South wind 6 to 9 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 67. South wind around 7 mph becoming north in the afternoon.

    High: 67 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. East wind 5 to 7 mph becoming south after midnight.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. South southeast wind 6 to 9 mph becoming northwest in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am.  Mostly cloudy, with a low around 47. North wind 5 to 9 mph becoming south southwest after midnight.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before noon.  Mostly cloudy, with a high near 57. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon.  Mostly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. South wind 6 to 9 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 67. South wind around 7 mph becoming north in the afternoon.
Wednesday Night
Partly cloudy, with a low around 48. East wind 5 to 7 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 68. South southeast wind 6 to 9 mph becoming northwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 47. North wind 5 to 9 mph becoming south southwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely, mainly before noon. Mostly cloudy, with a high near 57. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Castleford ID
 42.53°N 114.79°W (Elev. 3924 ft)
3:04 pm MDT Sep 30, 2025
6pm MDT Sep 30, 2025-6pm MDT Oct 7, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database