Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

Lat: 46.78°NLon: 100.76°WElev: 1677ft.

Fair

58°F

14°C

Humidity 72%
Wind Speed NE 5 mph
Barometer 30.28 in (1025.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 21 Sep 10:52 am CDT
Extended Forecast for

Bismarck ND

  • Today

    Today: Partly sunny, with a high near 66. Southeast wind around 8 mph.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Southeast wind around 7 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Southeast wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am.  Increasing clouds, with a low around 52. Southeast wind around 15 mph, with gusts as high as 26 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 1pm.  High near 68. Southeast wind 15 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am.  Mostly cloudy, with a low around 52. Southeast wind 8 to 13 mph becoming light south  after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 75. Light and variable wind.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Southeast wind 3 to 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 74. Southeast wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 74 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 66. Southeast wind around 8 mph.
Tonight
Partly cloudy, with a low around 44. Southeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 65. Southeast wind 7 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Increasing clouds, with a low around 52. Southeast wind around 15 mph, with gusts as high as 26 mph.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 68. Southeast wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 52. Southeast wind 8 to 13 mph becoming light south after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 75. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 53. Southeast wind 3 to 6 mph.
Friday
Mostly cloudy, with a high near 74. Southeast wind 7 to 16 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 56. Southeast wind 14 to 16 mph, with gusts as high as 26 mph.
Saturday
Partly sunny, with a high near 69. South wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 50. Northwest wind 6 to 8 mph becoming north after midnight.
Sunday
A chance of showers. Mostly sunny, with a high near 68. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.8°W
9:21 am CDT Sep 21, 2026
11am CDT Sep 21, 2026-6pm CDT Sep 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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