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

Heavy Rain Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

Heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding to the Desert Southwest into Sunday. The tropical wave (AL94) continues to bring heavy rainfall to Puerto Rico and the US Virgin Islands. The close proximity of Tropical Storm Humberto and AL94 could lead to interaction between them, but details of their track and intensity forecasts remain uncertain Read More >

Hazardous Weather Conditions

Current conditions at

Hettinger, Hettinger Municipal Airport (KHEI)

Lat: 46.01°NLon: 102.65°WElev: 2703ft.

Fair

61°F

16°C

Humidity 56%
Wind Speed N 14 mph
Barometer 30.08 in (1017.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 25 Sep 8:53 am MDT
Extended Forecast for

Bison SD

  • Today

    Today: Sunny, with a high near 80. North wind 7 to 9 mph becoming east in the afternoon. Winds could gust as high as 17 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. East wind 7 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Breezy, with a south wind 11 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph.

    High: 82 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. North wind 11 to 16 mph becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 24 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. South wind 5 to 15 mph, with gusts as high as 23 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Southeast wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Southeast wind around 15 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 80. North wind 7 to 9 mph becoming east in the afternoon. Winds could gust as high as 17 mph.
Tonight
Mostly clear, with a low around 50. East wind 7 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 82. Breezy, with a south wind 11 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly clear, with a low around 45. North wind 11 to 16 mph becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 74. South wind 5 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 51. South wind around 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 82. Southeast wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 58. Southeast wind around 15 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Bison SD
 45.52°N 102.48°W (Elev. 2799 ft)
Last Update:
6:31 am MDT Sep 25, 2025
Forecast Valid:
9am MDT Sep 25, 2025-6pm MDT Oct 1, 2025
 
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Additional Resources

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