Castleford, ID Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Castleford, ID.

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Current Conditions — Castleford, ID

JEROME COUNTY (KJER)

Clear

55.4 F
Humidity:22%
Wind Speed: 16.1 G 21.9 mph
Barometer:29.90 in
Dewpoint:17.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 27 2026, 01:35 PM MDT
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5-Day Forecast — Castleford, ID

Monday

High 59 °F
Forecast Missing
Monday
Night
Low 33 °F
Forecast Missing
Tuesday

High 62 °F
Forecast Missing
Tuesday
Night
Low 35 °F
Forecast Missing
Wednesday

High 68 °F
Forecast Missing
Wednesday
Night
Low 39 °F
Forecast Missing
Thursday

High 71 °F
Forecast Missing
Thursday
Night
Low 41 °F
Forecast Missing
Friday

High 75 °F
Forecast Missing

Detailed Forecast — Castleford, ID

Monday
Forecast Missing. High near 59°F. Wind 14 to 17 mph, with gusts as high as 31 mph.
Monday Night
Forecast Missing. Low around 33°F. Wind 8 to 12 mph, with gusts as high as 23 mph.
Tuesday
Forecast Missing. High near 62°F. Wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Forecast Missing. Low around 35°F. Wind 3 to 12 mph, with gusts as high as 24 mph.
Wednesday
Forecast Missing. High near 68°F. Wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Forecast Missing. Low around 39°F. Wind 5 to 7 mph, with gusts as high as 12 mph.
Thursday
Forecast Missing. High near 71°F. Wind 8 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Forecast Missing. Low around 41°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Friday
Forecast Missing. High near 75°F. Wind 3 to 6 mph, with gusts as high as 12 mph.
Friday Night
Forecast Missing. Low around 46°F. Wind around 8 mph, with gusts as high as 13 mph.
Saturday
Forecast Missing. High near 80°F. Wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Forecast Missing. Low around 50°F. Wind 6 to 9 mph, with gusts as high as 16 mph.
Sunday
Forecast Missing. High near 77°F. Wind 7 to 9 mph, with gusts as high as 17 mph.
ID Radar
Current Radar • ID
Day 1 Outlook • April 27, 2026

Observation History — Castleford, ID

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
01:35 PM MDT 16.1 G 21.9 10.00 Clear -- 55.4 17.6 22% NA NA 29.90 1012.5
01:25 PM MDT W 11.5 10.00 Clear -- 53.6 17.6 24% NA NA 29.91 1012.9
01:20 PM MDT W 15.0 10.00 Clear -- 53.6 17.6 24% NA NA 29.91 1012.9
01:15 PM MDT W 18.4 G 25.3 10.00 Clear -- 53.6 17.6 24% NA NA 29.91 1012.9
01:10 PM MDT W 17.3 10.00 Clear -- 53.6 17.6 24% NA NA 29.91 1012.9
01:05 PM MDT W 18.4 10.00 Clear -- 53.6 % NA NA 29.91 1012.9
12:50 PM MDT W 18.4 10.00 Clear -- 53.6 17.6 24% NA NA 29.92 1013.2
12:40 PM MDT W 16.1 10.00 Clear -- 53.6 19.4 26% NA NA 29.92 1013.2
12:35 PM MDT W 16.1 10.00 Clear -- 53.6 19.4 26% NA NA 29.92 1013.2
12:25 PM MDT W 16.1 G 21.9 10.00 Clear -- 53.6 19.4 26% NA NA 29.92 1013.2
12:15 PM MDT W 17.3 10.00 Clear -- 51.8 21.2 30% NA NA 29.92 1013.2
12:10 PM MDT W 9.2 10.00 Clear -- 51.8 23.0 32% NA NA 29.92 1013.2
12:05 PM MDT W 16.1 10.00 Clear -- 51.8 23.0 32% NA NA 29.92 1013.2
12:00 PM MDT W 13.8 10.00 Clear -- 51.8 23.0 32% NA NA 29.92 1013.2
11:40 AM MDT W 11.5 10.00 Clear -- 51.8 24.8 35% NA NA 29.92 1013.2
11:35 AM MDT 15.0 G 20.7 10.00 Clear -- 51.8 24.8 35% NA NA 29.92 1013.2
11:30 AM MDT 16.1 G 21.9 10.00 Clear -- 50.0 24.8 37% NA NA 29.92 1013.2
11:25 AM MDT W 16.1 10.00 Clear -- 50.0 24.8 37% NA NA 29.92 1013.2
11:15 AM MDT W 16.1 G 21.9 10.00 Clear -- 50.0 24.8 37% NA NA 29.92 1013.2
11:10 AM MDT W 15.0 10.00 Clear -- 48.2 26.6 43% 42.3 NA 29.92 1013.2
11:05 AM MDT W 12.7 G 18.4 10.00 Clear -- 48.2 24.8 40% 43.0 NA 29.92 1013.2
10:50 AM MDT W 15.0 10.00 Clear -- 46.4 26.6 46% 40.1 NA 29.92 1013.2
10:45 AM MDT 13.8 10.00 Clear -- 46.4 24.8 42% 40.3 NA 29.92 1013.2
10:40 AM MDT W 12.7 10.00 Clear -- 46.4 24.8 42% 40.6 NA 29.92 1013.2

Regional Weather Observation

JEROME COUNTY (KJER)

Clear
55.4 F

TWIN FALLS (KTWF)

Clear and Windy
55.4 F

MOUNTAIN HOME (KMUO)

Clear
58.6 F

HAILEY/FRIEDMAN (KSUN)

Cloudy
44.6 F

BURLEY (KBYI)

Partly Cloudy
53.6 F

BOISE (KBOI)

Clear
57.2 F
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