Hot Temperatures, Excessive Rainfall, and Severe Thunderstorms in the Eastern U.S.

Hot temperatures are expected again today along the Mid-Atlantic, Southeast, and lower Mississippi Valley. Heavy to excessive rainfall from thunderstorms today in parts of the Midwest to the Mid-Atlantic regions may bring areas of flooding. Severe thunderstorms pose a risk for damaging wind gusts across the Mid Atlantic region again today. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

77°F

25°C

Humidity 44%
Wind Speed NE 6 mph
Barometer 30.08 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 Jul 7:35 am MDT
Extended Forecast for

Nisland SD

  • Today

    Today: Sunny, with a high near 98. Breezy, with a light southeast wind increasing to 19 to 24 mph in the morning. Winds could gust as high as 36 mph.

    High: 98 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Breezy, with a southeast wind 18 to 23 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 34 mph.

    Low: 66 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92. West wind 7 to 16 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after midnight.  Increasing clouds, with a low around 63. East wind 9 to 16 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after noon.  Mostly cloudy, with a high near 88. East wind 13 to 17 mph, with gusts as high as 24 mph.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 59. Northeast wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

    Low: 59 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 98. Breezy, with a light southeast wind increasing to 19 to 24 mph in the morning. Winds could gust as high as 36 mph.
Tonight
Partly cloudy, with a low around 66. Breezy, with a southeast wind 18 to 23 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 34 mph.
Monday
Mostly sunny, with a high near 92. West wind 7 to 16 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 63. East wind 9 to 16 mph, with gusts as high as 25 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 88. East wind 13 to 17 mph, with gusts as high as 24 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 59. Northeast wind 8 to 17 mph becoming northwest after midnight. Winds could gust as high as 24 mph.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 59.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 59.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 99. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Nisland SD
 44.68°N 103.56°W (Elev. 2936 ft)
6:37 am MDT Jul 5, 2026
7am MDT Jul 5, 2026-6pm MDT Jul 11, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database