Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Mondell Field (KECS)

Lat: 43.89°NLon: 104.32°WElev: 4173ft.

Fair

61°F

16°C

Humidity 19%
Wind Speed SW 3 mph
Barometer 29.75 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 15 Apr 1:15 pm MDT
Extended Forecast for

6 Miles WNW Newcastle WY

Red Flag Warning April 16, 12:00pm until April 16, 07:00pm
Click here for hazard details and duration
Red Flag Warning
  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Southwest wind 8 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 69. South wind 8 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 50%.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm.  Low around 26. Wind chill values as low as 17. Blustery, with a north wind 16 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Blustery.
    Rain/Snow
    then Snow
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of snow showers.  Mostly cloudy, with a high near 41. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 32 mph.  New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. Northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers after noon, mixing with rain after 3pm.  Mostly sunny, with a high near 50. Breezy, with a northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 20%.

    High: 50 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Northwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 45. Southwest wind 8 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.
Thursday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 69. South wind 8 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Thursday Night
Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm. Low around 26. Wind chill values as low as 17. Blustery, with a north wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 41. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 20. Northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.
Saturday
A slight chance of snow showers after noon, mixing with rain after 3pm. Mostly sunny, with a high near 50. Breezy, with a northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 27. Northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Newcastle WY
 43.9°N 104.33°W (Elev. 4183 ft)
12:27 pm MDT Apr 15, 2026
1pm MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

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