Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Mondell Field (KECS)

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

Mostly Cloudy

64°F

18°C

Humidity 26%
Wind Speed NW 12 G 17 mph
Barometer 29.56 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 16 Apr 4:15 pm MDT
Extended Forecast for

Newcastle WY

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

    NOW until 7:00pm Thu

    Red Flag Warning

  • This Afternoon

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: Rain showers before 11pm, then a chance of rain and snow showers between 11pm and 1am, then a chance of snow showers after 1am.  Low around 27. Wind chill values as low as 17. North wind 11 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Friday

    Friday: A 30 percent chance of snow showers, mainly before noon.  Mostly cloudy, with a high near 40. Wind chill values as low as 16. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 31 mph.

    High: 40 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21. Wind chill values as low as 14. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers between noon and 5pm, then a slight chance of rain showers after 5pm.  Mostly sunny, with a high near 51. Breezy, with a northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 20%.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Northwest wind 11 to 16 mph becoming light and variable  in the evening. Winds could gust as high as 28 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. West wind around 14 mph, with gusts as high as 24 mph.
Tonight
Rain showers before 11pm, then a chance of rain and snow showers between 11pm and 1am, then a chance of snow showers after 1am. Low around 27. Wind chill values as low as 17. North wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 40. Wind chill values as low as 16. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 21. Wind chill values as low as 14. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Saturday
A slight chance of snow showers between noon and 5pm, then a slight chance of rain showers after 5pm. Mostly sunny, with a high near 51. Breezy, with a northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 28. Northwest wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 28 mph.
Sunday
Sunny, with a high near 67. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 38. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 80.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 47.
Thursday
A chance of showers. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WY
 43.86°N 104.21°W (Elev. 4380 ft)
2:57 pm MDT Apr 16, 2026
4pm MDT Apr 16, 2026-6pm MDT Apr 23, 2026
 
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Additional Resources

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