Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Current conditions at

BRITTON (KBTN)

Lat: 45.82°NLon: 97.74°WElev: 1318ft.

Mostly Cloudy

59°F

15°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.07 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Aug 1:15 am CDT
Extended Forecast for

Hecla SD

  • Overnight

    Overnight: Partly cloudy, with a low around 55. South southwest wind around 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly cloudy through mid morning, then becoming sunny, with a high near 83. South southwest wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 3am.  Patchy fog between 1am and 4am.  Otherwise, increasing clouds, with a low around 56. West northwest wind 5 to 9 mph becoming light and variable.  Chance of precipitation is 30%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 4pm.  Patchy fog before 7am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Northeast wind 3 to 7 mph.  Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. North northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. South southwest wind around 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers before 1am.  Partly cloudy, with a low around 59. Southwest wind 6 to 8 mph.  Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. South southwest wind around 6 mph.
Monday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 83. South southwest wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 3am. Patchy fog between 1am and 4am. Otherwise, increasing clouds, with a low around 56. West northwest wind 5 to 9 mph becoming light and variable. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Northeast wind 3 to 7 mph. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 51. North northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 55. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 83. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers before 1am. Partly cloudy, with a low around 59. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Hecla SD
 45.87°N 98.14°W (Elev. 1293 ft)
1:01 am CDT Aug 17, 2026
1am CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
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Additional Resources

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