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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Clear

67°F

19°C

Humidity 52%
Wind Speed SW 13 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 17 Aug 01:53 AM MDT
Extended Forecast for

22 Miles SSW Castleford ID

  • Overnight

    Overnight: Mostly clear, with a low around 55. West wind around 9 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Southwest wind 6 to 9 mph becoming north northeast in the afternoon.

    High: 82 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 56. North northeast wind 5 to 8 mph becoming south after midnight.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. South southeast wind 6 to 9 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southwest wind 6 to 9 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 55. West wind around 9 mph.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Southwest wind 6 to 9 mph becoming north northeast in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 56. North northeast wind 5 to 8 mph becoming south after midnight.
Monday
Sunny, with a high near 89. South southeast wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 58. South southwest wind 6 to 9 mph.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny and hot, with a high near 90.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles SSW Castleford ID
 42.24°N 115.06°W (Elev. 5305 ft)
Last Update:
3:04 pm MDT Aug 16, 2025
Forecast Valid:
2am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation