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

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

66°F

19°C

Humidity 94%
Wind Speed SE 10 mph
Barometer 30.08 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 12 Jul 5:55 am CDT
Extended Forecast for

20 Miles W Gettysburg SD

Extreme Heat Warning July 12, 05:21am until July 14, 06:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 12, 05:21am until July 14, 06:00pm

    NOW until 6:00pm Tue

    Extreme Heat Warning

  • Today

    High: 102 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 74. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 28 mph.

    Low: 74 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. Breezy, with a south wind 17 to 21 mph, with gusts as high as 30 mph.

    High: 102 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph.

    Low: 74 °F

    Clear and
    Breezy then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. South wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. Southeast wind 11 to 16 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. South southeast wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South southeast wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 102. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 74. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 28 mph.
Monday
Sunny and hot, with a high near 102. Breezy, with a south wind 17 to 21 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 74. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph.
Tuesday
Sunny and hot, with a high near 104. South wind 11 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 73. Southeast wind 11 to 16 mph.
Wednesday
Sunny and hot, with a high near 102. South southeast wind 11 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 74. South southeast wind 14 to 18 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny and hot, with a high near 103. South wind 14 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 73.
Friday
Mostly sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 72.
Saturday
Mostly sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles W Gettysburg SD
 45.06°N 100.36°W (Elev. 1850 ft)
Last Update:
4:36 am MDT Jul 12, 2026
Forecast Valid:
5am MDT Jul 12, 2026-6pm MDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation