Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Overcast

62°F

17°C

Humidity	78%
Wind Speed	Calm
Barometer	29.40 in (995.2 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	16 Jun 11:52 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Napoleon ND

Overnight
Low: 55 °F
Showers
Likely
Wednesday
High: 64 °F
Showers and
Breezy
Wednesday Night
Low: 46 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 67 °F
Chance
Showers
Thursday Night
Low: 46 °F
Slight Chance
T-storms then
Slight Chance
Showers
Juneteenth
High: 71 °F
Sunny
Friday Night
Low: 47 °F
Mostly Clear
Saturday
High: 73 °F
Mostly Sunny
Saturday Night
Low: 51 °F
Chance
Showers

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a steady temperature around 55. South wind 8 to 13 mph becoming west. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

Wednesday

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 64. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Northwest wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

Thursday

A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 67. Northwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

Thursday Night

A slight chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 46. Northwest wind 6 to 11 mph becoming light and variable. Chance of precipitation is 20%.

Juneteenth

Sunny, with a high near 71. Northwest wind 9 to 17 mph, with gusts as high as 26 mph.

Friday Night

Mostly clear, with a low around 47. North wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

Saturday

Mostly sunny, with a high near 73. East wind 6 to 11 mph, with gusts as high as 18 mph.

Saturday Night

A chance of showers, mainly after 1am. Mostly cloudy, with a low around 51. East wind 13 to 15 mph, with gusts as high as 24 mph.

Sunday

A chance of showers. Mostly cloudy, with a high near 68. East wind 15 to 18 mph, with gusts as high as 26 mph.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 49. East wind 9 to 13 mph, with gusts as high as 18 mph.