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

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

68°F

20°C

Humidity 83%
Wind Speed SE 15 mph
Barometer 29.88 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Aug 7:55 am CDT
Extended Forecast for

Seneca SD

  • Today

    Today: Patchy smoke after 10am. Mostly sunny and hot, with a high near 95. Breezy, with a south wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 95 °F

    Patchy Smoke
    and Breezy

  • Tonight

    Tonight: Patchy smoke before midnight. Partly cloudy, with a low around 68. Breezy, with a south southeast wind 22 to 26 mph, with gusts as high as 37 mph.

    Low: 68 °F

    Breezy.
    Patchy Smoke
    then Partly
    Cloudy

  • Monday

    Monday: Partly sunny and hot, with a high near 92. Breezy, with a south wind 20 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph.

    High: 92 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Windy, with a north northwest wind 21 to 31 mph decreasing to 11 to 21 mph after midnight. Winds could gust as high as 40 mph.

    Low: 55 °F

    Partly Cloudy
    and Windy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. West northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. West northwest wind 7 to 10 mph becoming south in the evening.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83. West southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind 10 to 14 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86. West wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy smoke after 10am. Mostly sunny and hot, with a high near 95. Breezy, with a south wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.
Tonight
Patchy smoke before midnight. Partly cloudy, with a low around 68. Breezy, with a south southeast wind 22 to 26 mph, with gusts as high as 37 mph.
Monday
Partly sunny and hot, with a high near 92. Breezy, with a south wind 20 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph.
Monday Night
Partly cloudy, with a low around 55. Windy, with a north northwest wind 21 to 31 mph decreasing to 11 to 21 mph after midnight. Winds could gust as high as 40 mph.
Tuesday
Sunny, with a high near 77. West northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 54. West northwest wind 7 to 10 mph becoming south in the evening.
Wednesday
Sunny, with a high near 83. West southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind 10 to 14 mph.
Thursday
Mostly sunny, with a high near 86. West wind 13 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny and hot, with a high near 91.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny and hot, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seneca SD
 45.06°N 99.51°W (Elev. 1893 ft)
Last Update:
7:36 am CDT Aug 2, 2026
Forecast Valid:
8am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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