Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Clear

88°F

31°C

Humidity 19%
Wind Speed WNW 11 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 12 Jul 11:20 AM MDT
Extended Forecast for

20 Miles SW Castleford ID

  • Today

    Today: Mostly sunny and hot, with a high near 93. North northwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 64. North northwest wind 8 to 18 mph becoming southwest after midnight. Winds could gust as high as 30 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 93. Southwest wind 8 to 13 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 66. Northwest wind 9 to 14 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88. Southwest wind around 11 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny and hot, with a high near 93. North northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 64. North northwest wind 8 to 18 mph becoming southwest after midnight. Winds could gust as high as 30 mph.
Monday
Mostly sunny and hot, with a high near 93. Southwest wind 8 to 13 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66. Northwest wind 9 to 14 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Southwest wind around 11 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 63.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 90.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny and hot, with a high near 90.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles SW Castleford ID
 42.28°N 115.1°W (Elev. 5299 ft)
12:30 am MDT Jul 12, 2026
11am MDT Jul 12, 2026-6pm MDT Jul 18, 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