Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Clear

75°F

24°C

Humidity 33%
Wind Speed WNW 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 18 Aug 10:20 AM MDT
Extended Forecast for

Castleford ID

  • Today

    Today: Partly sunny and hot, with a high near 90. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 60. Northwest wind 6 to 10 mph becoming southwest after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92. Southwest wind around 6 mph becoming north in the afternoon.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. North wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 96. South wind 5 to 8 mph becoming north in the afternoon.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Hot

Detailed Forecast

Today
Partly sunny and hot, with a high near 90. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 60. Northwest wind 6 to 10 mph becoming southwest after midnight.
Wednesday
Mostly sunny and hot, with a high near 92. Southwest wind around 6 mph becoming north in the afternoon.
Wednesday Night
Mostly clear, with a low around 61. North wind 5 to 7 mph becoming light and variable after midnight.
Thursday
Mostly sunny and hot, with a high near 96. South wind 5 to 8 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny and hot, with a high near 98.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 66.
Saturday
Mostly sunny and hot, with a high near 90.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 59.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Castleford ID
 42.52°N 114.88°W (Elev. 3898 ft)
4:55 am MDT Aug 18, 2026
10am MDT Aug 18, 2026-6pm MDT Aug 24, 2026
 
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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