Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Alliance, Alliance Municipal Airport (KAIA)

Lat: 42.06°NLon: 102.8°WElev: 3927ft.

Fair and Breezy

72°F

22°C

Humidity 13%
Wind Speed NW 22 G 32 mph
Barometer 29.79 in (1005.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 13 Apr 11:53 am MDT
Extended Forecast for

15 Miles N Ellsworth NE

Red Flag Warning April 13, 12:34pm until April 13, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 13, 12:34pm until April 13, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 74 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of showers after 5am.  Mostly cloudy, with a low around 42. Breezy, with a west wind 15 to 20 mph becoming north 5 to 10 mph in the evening. Winds could gust as high as 30 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly after noon.  Partly sunny, with a high near 64. North wind 5 to 10 mph becoming east in the afternoon.

    High: 64 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 39. North northeast wind 5 to 10 mph becoming west after midnight.

    Low: 39 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers.  Mostly sunny, with a high near 66. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Breezy.

    High: 76 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A chance of rain showers before midnight, then a chance of rain and snow showers.  Mostly cloudy, with a low around 30. Blustery.

    Low: 30 °F

    Chance
    Showers then
    Chance
    Rain/Snow and
    Blustery

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Breezy, with a west wind around 25 mph, with gusts as high as 35 mph.
Tonight
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 42. Breezy, with a west wind 15 to 20 mph becoming north 5 to 10 mph in the evening. Winds could gust as high as 30 mph.
Tuesday
A 40 percent chance of showers, mainly after noon. Partly sunny, with a high near 64. North wind 5 to 10 mph becoming east in the afternoon.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 39. North northeast wind 5 to 10 mph becoming west after midnight.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 66. West wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 76. Breezy.
Thursday Night
A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Blustery.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 43. Breezy.
Friday Night
A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 21. Blustery.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 50. Breezy.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles N Ellsworth NE
 42.28°N 102.24°W
11:03 am MDT Apr 13, 2026
12pm MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database