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

Mobridge, Mobridge Municipal Airport (KMBG)

Lat: 45.55°NLon: 100.41°WElev: 1713ft.

Fair

68°F

20°C

Humidity 78%
Wind Speed S 8 mph
Barometer 30.11 in (1018.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 1 Aug 8:52 am CDT
Extended Forecast for

Herreid SD

  • Today

    Today: Mostly sunny and hot, with a high near 90. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South southeast wind 15 to 17 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 95. Breezy, with a south wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 95 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 65. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 34 mph.

    Low: 65 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Breezy, with a southeast wind 14 to 24 mph becoming north in the afternoon. Winds could gust as high as 32 mph.

    High: 87 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Breezy, with a north northwest wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.

    Low: 54 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Northwest wind 6 to 11 mph.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. West northwest wind 5 to 9 mph becoming southeast after midnight.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. South southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 90. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Tonight
Partly cloudy, with a low around 63. South southeast wind 15 to 17 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny and hot, with a high near 95. Breezy, with a south wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph.
Sunday Night
Increasing clouds, with a low around 65. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 87. Breezy, with a southeast wind 14 to 24 mph becoming north in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Partly cloudy, with a low around 54. Breezy, with a north northwest wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.
Tuesday
Mostly sunny, with a high near 79. Northwest wind 6 to 11 mph.
Tuesday Night
Mostly clear, with a low around 53. West northwest wind 5 to 9 mph becoming southeast after midnight.
Wednesday
Mostly sunny, with a high near 82. South southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny and hot, with a high near 90.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 61. Chance of precipitation is 20%.
Friday
Mostly sunny and hot, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Herreid SD
 45.86°N 100.06°W (Elev. 1742 ft)
Last Update:
8:37 am CDT Aug 1, 2026
Forecast Valid:
9am CDT Aug 1, 2026-6pm CDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation