Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

61°F

16°C

Humidity	93%
Wind Speed	S 5 mph
Barometer	30.09 in (1017.9 mb)
Dewpoint	59°F (15°C)
Visibility	NA
Last update	3 Aug 12:56 am CDT

More Information:

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

Extended Forecast for

Ortley SD

Overnight
Low: 61 °F
Chance
T-storms
Sunday
High: 69 °F
Showers
Likely then
Chance
T-storms
Sunday Night
Low: 60 °F
Chance
T-storms then
Chance
Showers
Monday
High: 75 °F
Chance
T-storms
Monday Night
Low: 62 °F
Chance
T-storms
Tuesday
High: 78 °F
Slight Chance
T-storms
Tuesday Night
Low: 65 °F
Chance
T-storms then
Showers
Likely
Wednesday
High: 82 °F
Slight Chance
T-storms
Wednesday Night
Low: 66 °F
Mostly Clear
then Slight
Chance
T-storms

Detailed Forecast

Overnight

A chance of showers and thunderstorms. Areas of smoke. Mostly cloudy, with a low around 61. South wind around 11 mph. Chance of precipitation is 50%.

Sunday

Showers and thunderstorms likely, mainly before noon. Patchy smoke between 9am and 4pm. Cloudy, with a high near 69. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. South wind 8 to 10 mph. Chance of precipitation is 30%.

Monday

A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, with a high near 75. South wind 8 to 10 mph. Chance of precipitation is 40%.

Monday Night

A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 62. South southeast wind around 9 mph. Chance of precipitation is 30%.

Tuesday

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 78. South southeast wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

Tuesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Wednesday

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. South southeast wind 7 to 9 mph. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 84.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Friday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.