National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Hazardous Weather Conditions

Current conditions at

Antelope County Airport (K4V9)

Lat: 42.11°NLon: 98.04°WElev: 1774ft.

Fog

55°F

13°C

Humidity 100%
Wind Speed E 7 mph
Barometer 30.12 in
Dewpoint 55°F (13°C)
Visibility 0.15 mi
Wind Chill53°F (12°C)
Last update 15 Oct 9:15 am CDT
Extended Forecast for

Winnetoon NE

  • Today

    Today: A 20 percent chance of showers and thunderstorms before 11am. Patchy fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. South southeast wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 76 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South southeast wind 14 to 16 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Partly sunny, with a high near 79. Breezy, with a south wind 18 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 55. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 73. West wind 8 to 14 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. West wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Northwest wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. West wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. West wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 11am. Patchy fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. South southeast wind 8 to 14 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 63. South southeast wind 14 to 16 mph, with gusts as high as 25 mph.
Thursday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Partly sunny, with a high near 79. Breezy, with a south wind 18 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 73. West wind 8 to 14 mph.
Friday Night
Mostly clear, with a low around 45. West wind 8 to 10 mph, with gusts as high as 16 mph.
Saturday
Mostly sunny, with a high near 61. Northwest wind 10 to 17 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 37. West wind 9 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 66. West wind 9 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 46. South wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 69. South wind 13 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Partly cloudy, with a low around 44. West northwest wind around 14 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 64. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 28 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winnetoon NE
 42.52°N 97.95°W (Elev. 1637 ft)
Last Update:
8:56 am CDT Oct 15, 2025
Forecast Valid:
9am CDT Oct 15, 2025-6pm CDT Oct 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation