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Hazardous Weather Conditions

No active alerts for NEWCASTLE, WYOMING

Current Conditions: NEWCASTLE, WYOMING

Clear


32.0 F
Last Updated on Feb 28 2026, 08:15 PM MST
Humidity: 59%
Wind Speed: SE 6.9 mph
Barometer: in
Dewpoint: 19.4 F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: 25.5 F
Current conditions at:

NEWCASTLE MONDEL (KECS)

Lat: 43.88 Lon: -104.32

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5 Day Forecast for NEWCASTLE, WYOMING (82701)

Saturday
Forecast Missing
High 50 °F
Saturday
Night
Forecast Missing
Low 28 °F
Sunday
Forecast Missing
High 50 °F
Sunday
Night
Forecast Missing
Low 28 °F
Monday
Forecast Missing
High 50 °F
Monday
Night
Forecast Missing
Low 32 °F
Tuesday
Forecast Missing
High 55 °F
Tuesday
Night
Forecast Missing
Low 30 °F
Wednesday
Forecast Missing
High 57 °F



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Observation History for NEWCASTLE, WYOMING


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)
08:15 PM MST SE 6.9 10.00 Clear -- 32.0 19.4 59% 25.5 NA M
07:55 PM MST SE 6.9 10.00 Clear -- 33.8 19.4 55% 27.7 NA M
07:35 PM MST 6.9 10.00 Clear -- 33.8 17.6 51% 27.7 NA M
07:15 PM MST 4.7 10.00 Clear -- 37.4 15.8 41% 33.6 NA M
06:55 PM MST NE 5.8 10.00 Clear -- 35.6 17.6 48% 30.7 NA M
06:35 PM MST 5.8 10.00 Clear -- 37.4 17.6 44% 32.7 NA M
06:15 PM MST 0.0 10.00 Clear -- 39.2 15.8 38% NA NA M
05:55 PM MST 4.7 10.00 Clear -- 41.0 14.0 33% 37.9 NA M
05:35 PM MST 4.7 10.00 Clear -- 42.8 14.0 31% 39.9 NA M
05:15 PM MST 11.4 10.00 Clear -- 44.6 14.0 29% 38.8 NA M
04:55 PM MST 12.8 G 19.7 10.00 Clear -- 46.4 14.0 27% 40.6 NA M
04:35 PM MST 12.8 G 20.8 10.00 Clear -- 48.2 14.0 25% 43.0 NA M
04:15 PM MST 12.8 G 17.2 10.00 Clear -- 50.0 14.0 23% NA NA M
03:55 PM MST 11.4 10.00 Clear -- 50.0 14.0 23% NA NA M
03:35 PM MST 13.9 G 19.7 10.00 Clear -- 50.0 15.8 25% NA NA M
03:15 PM MST NW 16.1 G 19.7 10.00 Clear -- 51.8 15.8 24% NA NA M
02:55 PM MST NW 17.2 G 20.8 10.00 Clear -- 50.0 15.8 25% NA NA M
02:35 PM MST NW 15.0 G 21.9 10.00 Clear -- 50.0 15.8 25% NA NA M
10:55 AM MST NW 13.9 10.00 Clear -- 48.2 15.8 27% 42.6 NA M
10:35 AM MST NW 10.3 10.00 Clear -- 46.4 17.6 31% 41.5 NA M
10:15 AM MST W 4.7 10.00 Clear -- 42.8 21.2 42% 39.9 NA M
09:55 AM MST 0.0 10.00 Clear -- 39.2 21.2 48% NA NA M
09:35 AM MST W 3.4 10.00 Clear -- 37.4 21.2 52% 35.1 NA M
09:15 AM MST NW 4.7 10.00 Clear -- 35.6 21.2 55% 31.6 NA M

Regional Weather Observation

NEWCASTLE MONDEL (KECS)

Clear
32.0 F

INYAN KARA (KIKA)

NULL
30.2 F

HULETT MUNI (KW43)

Clear
30.2 F

SPEARFISH/CLYDE (KSPF)

Clear
23.0 F

CUSTER (KCUT)

Clear
26.6 F

BELLE FOURCHE (KBFU)

NULL
26.6 F

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