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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Hazardous Weather Conditions

Current conditions at

BRITTON (KBTN)

Lat: 45.82°NLon: 97.74°WElev: 1318ft.

Fair

91°F

33°C

Humidity 49%
Wind Speed S 16 G 24 mph
Barometer 30.06 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 12 Jul 2:35 pm CDT
Extended Forecast for

Amherst SD

Heat Advisory July 12, 02:40pm until July 16, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 12, 02:40pm until July 16, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 73. South wind 14 to 17 mph, with gusts as high as 31 mph.

    Low: 73 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Breezy, with a south southwest wind 18 to 21 mph, with gusts as high as 34 mph.

    High: 97 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind around 16 mph, with gusts as high as 30 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. South southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. East wind 7 to 9 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Southeast wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. East southeast wind around 14 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Heat index values as high as 100. South southwest wind around 16 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 73. South wind 14 to 17 mph, with gusts as high as 31 mph.
Monday
Sunny and hot, with a high near 97. Breezy, with a south southwest wind 18 to 21 mph, with gusts as high as 34 mph.
Monday Night
Mostly clear, with a low around 73. South wind around 16 mph, with gusts as high as 30 mph.
Tuesday
Sunny and hot, with a high near 98. South southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 70. East wind 7 to 9 mph.
Wednesday
Sunny and hot, with a high near 96. Southeast wind 8 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 72. East southeast wind around 14 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny and hot, with a high near 98. South wind 14 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Sunny and hot, with a high near 96.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny and hot, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Amherst SD
 45.75°N 97.93°W (Elev. 1302 ft)
Last Update:
2:36 pm CDT Jul 12, 2026
Forecast Valid:
2pm CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation