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Current conditions at
Mondell Field (KECS)
Lat: 43.89°NLon: 104.32°WElev: 4173ft.
Mostly Cloudy
79°F
26°C
| Humidity | 34% |
| Wind Speed | S 13 G 22 mph |
| Barometer | 30.02 in |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 1 Sep 1:15 pm MDT |
Extended Forecast for
Newcastle WY
This Afternoon

High: 79 °F
Chance
ShowersTonight
Low: 58 °F
Chance
Showers then
Mostly ClearWednesday
High: 88 °F
Sunny then
Sunny and
BreezyWednesday Night

Low: 60 °F
Partly Cloudy
Thursday

High: 88 °F
Sunny
Thursday Night

Low: 63 °F
Mostly Clear
Friday

High: 92 °F
Sunny
Friday Night

Low: 65 °F
Mostly Clear
Saturday

High: 91 °F
Sunny
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 79. South wind around 7 mph, with gusts as high as 18 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 58. South wind 6 to 9 mph becoming east in the evening. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 88. Breezy, with an east wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 60. South wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 88. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
Mostly clear, with a low around 63. Southwest wind 5 to 9 mph becoming east after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Labor Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Newcastle WY
43.86°N 104.24°W (Elev. 4334 ft)
43.86°N 104.24°W (Elev. 4334 ft)
12:31 pm MDT Sep 1, 2026
1pm MDT Sep 1, 2026-6pm MDT Sep 7, 2026


