Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Jamestown, Jamestown Municipal Airport (KJMS)

Lat: 46.93°NLon: 98.68°WElev: 1499ft.

Overcast

69°F

21°C

Humidity 90%
Wind Speed W 14 mph
Barometer 29.97 in (1014.4 mb)
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Last update 15 Aug 8:56 am CDT
Extended Forecast for

Tappen ND

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 76. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 33 mph.

    High: 76 °F

    Cloudy then
    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Breezy, with a north wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.

    Low: 54 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 56. Northwest wind 5 to 8 mph becoming light and variable.  Chance of precipitation is 30%.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 82. Southwest wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 56. Northwest wind 5 to 11 mph becoming east after midnight.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 74. Northeast wind 6 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 51. Northeast wind 7 to 10 mph.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 73. Northeast wind 8 to 11 mph becoming northwest in the afternoon.

    High: 73 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 76. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 33 mph.
Tonight
Partly cloudy, with a low around 54. Breezy, with a north wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.
Sunday
Sunny, with a high near 77. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 56. Northwest wind 5 to 8 mph becoming light and variable. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 82. Southwest wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. Northwest wind 5 to 11 mph becoming east after midnight.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74. Northeast wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 51. Northeast wind 7 to 10 mph.
Wednesday
Partly sunny, with a high near 73. Northeast wind 8 to 11 mph becoming northwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 53. Northwest wind 8 to 10 mph becoming southeast in the evening.
Thursday
Mostly sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 56. South wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 82. Southwest wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Tappen ND
 46.86°N 99.63°W
7:36 am CDT Aug 15, 2026
9am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

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