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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

MILBANK (K1D1)

Lat: 45.23°NLon: 96.57°WElev: 1116ft.

Fair

79°F

26°C

Humidity 74%
Wind Speed SE 14 mph
Barometer 29.93 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 2 Aug 11:15 am CDT
Extended Forecast for

Marvin SD

  • Today

    Today: Mostly sunny, with a high near 84. South southeast wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 31 mph.

    Low: 68 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Monday

    Monday: A slight chance of showers between 10am and 11am. Mostly sunny, with a high near 85. Breezy, with a south wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 85 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a slight chance of showers after 1am. Low around 59. Breezy, with a southwest wind 11 to 20 mph becoming north northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Northwest wind around 6 mph becoming south southwest in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. South southwest wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. West southwest wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. South southeast wind 14 to 17 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 68. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 31 mph.
Monday
A slight chance of showers between 10am and 11am. Mostly sunny, with a high near 85. Breezy, with a south wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a slight chance of showers after 1am. Low around 59. Breezy, with a southwest wind 11 to 20 mph becoming north northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 73. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 55. Northwest wind around 6 mph becoming south southwest in the evening.
Wednesday
Sunny, with a high near 77. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 60. South southwest wind 5 to 14 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 80. West southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 83.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Marvin SD
 45.25°N 96.88°W (Elev. 1434 ft)
Last Update:
10:36 am CDT Aug 2, 2026
Forecast Valid:
11am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation