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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

Grant Municipal Airport (KGGF)

Lat: 40.87°NLon: 101.73°WElev: 3425ft.

Fair

52°F

11°C

Humidity 32%
Wind Speed N 7 mph
Barometer 29.78 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 13 Apr 10:35 pm MDT
Extended Forecast for

3 Miles SSW Grant NE

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am.  Mostly cloudy, with a low around 42. North northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly after noon.  Mostly sunny, with a high near 73. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 73 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 5am.  Mostly cloudy, with a low around 39. East northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers.  Mostly sunny, with a high near 72. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. Southwest wind 5 to 10 mph.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers after noon.  Partly sunny, with a high near 57. Breezy.

    High: 57 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers.  Mostly cloudy, with a low around 26. Blustery.

    Low: 26 °F

    Chance
    Rain/Snow and
    Blustery

Detailed Forecast

Tonight
A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 42. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers, mainly after noon. Mostly sunny, with a high near 73. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 5am. Mostly cloudy, with a low around 39. East northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 72. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 39. Southwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
A chance of showers after noon. Partly sunny, with a high near 57. Breezy.
Friday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 26. Blustery.
Saturday
A slight chance of rain and snow showers after noon. Mostly sunny, with a high near 57. Breezy.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Grant NE
 40.81°N 101.75°W
9:48 pm MDT Apr 13, 2026
11pm MDT Apr 13, 2026-6pm MDT Apr 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database