Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Clear

79°F

26°C

Humidity 31%
Wind Speed NE 10 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Aug 01:35 AM MDT
Extended Forecast for

9 Miles SW Castleford ID

Red Flag Warning August 22, 12:00pm until August 23, 12:00am
Click here for hazard details and duration
Red Flag Warning
  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 67. South wind around 9 mph.

    Low: 67 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after noon.  Patchy blowing dust after 5pm. Partly sunny and hot, with a high near 92. South wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Patchy blowing dust before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Breezy, with an east southeast wind 16 to 21 mph becoming west southwest 7 to 12 mph after midnight. Winds could gust as high as 36 mph.

    Low: 64 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. Southwest wind around 9 mph becoming north northwest in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. North wind 7 to 11 mph becoming southwest after midnight.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 67. South wind around 9 mph.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Patchy blowing dust after 5pm. Partly sunny and hot, with a high near 92. South wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Patchy blowing dust before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Breezy, with an east southeast wind 16 to 21 mph becoming west southwest 7 to 12 mph after midnight. Winds could gust as high as 36 mph.
Sunday
Sunny, with a high near 88. Southwest wind around 9 mph becoming north northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 59. North wind 7 to 11 mph becoming southwest after midnight.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60.
Tuesday
Mostly sunny and hot, with a high near 91.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
Mostly sunny and hot, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Castleford ID
 42.42°N 114.98°W (Elev. 4341 ft)
12:29 am MDT Aug 22, 2026
1am MDT Aug 22, 2026-6pm MDT Aug 28, 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