Super Typhoon Bavi to Impact Guam and the Mariana Islands; Excessive Rainfall and Flooding Threat in the Mid-Atlantic

Catastrophic Super Typhoon Bavi's eyewall has reached Rota and is expected to bring dangerous winds, heavy rainfall and storm surge to Guam, Rota, Tinian and Saipan. A Typhoon Warning remains in effect. Heavy to excessive rainfall will continue to bring a flooding threat from coastal Mid-Atlantic to southern New England through Monday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

82°F

28°C

Humidity 21%
Wind Speed SE 12 G 28 mph
Barometer 30.11 in (1012.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 5 Jul 6:53 pm MDT
Extended Forecast for

4 Miles NE Custer State Park SD

  • Tonight

    Tonight: Mostly clear, with a low around 69. Southeast wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 29 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 91. West wind 6 to 16 mph becoming northeast in the morning. Winds could gust as high as 32 mph.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Northeast wind 11 to 16 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 86. Northeast wind 6 to 9 mph, with gusts as high as 22 mph.

    High: 86 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 62. North wind 5 to 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    Low: 62 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon.  Mostly sunny, with a high near 80. North wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 17 mph.  Chance of precipitation is 60%.

    High: 80 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 69. Southeast wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 29 mph.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 91. West wind 6 to 16 mph becoming northeast in the morning. Winds could gust as high as 32 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northeast wind 11 to 16 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 86. Northeast wind 6 to 9 mph, with gusts as high as 22 mph.
Tuesday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 62. North wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 80. North wind 5 to 7 mph becoming east in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 60.
Thursday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 82.
Thursday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Custer State Park SD
 43.77°N 103.36°W (Elev. 4196 ft)
5:27 pm MDT Jul 5, 2026
7pm MDT Jul 5, 2026-6pm MDT Jul 12, 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