Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

79°F

26°C

Humidity	69%
Wind Speed	SE 15 G 22 mph
Barometer	29.58 in (999.6 mb)
Dewpoint	68°F (20°C)
Visibility	NA
Heat Index	81°F (27°C)
Last update	20 Jun 11:56 am CDT

More Information:

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

Extended Forecast for

Waubay SD

Heat Advisory June 21, 01:00pm until June 21, 09:00pm

Click here for hazard details and duration

Heat Advisory

This Afternoon
High: 89 °F
Sunny
Tonight
Low: 67 °F
Severe
Thunderstorms
then Partly
Cloudy
Saturday
High: 93 °F
Hot
Saturday Night
Low: 69 °F
Mostly Clear
Sunday
High: 88 °F
Mostly Sunny
then Slight
Chance
T-storms and
Breezy
Sunday Night
Low: 57 °F
Slight Chance
T-storms then
Chance
Showers
Monday
High: 69 °F
Slight Chance
T-storms
Monday Night
Low: 51 °F
Partly Cloudy
Tuesday
High: 65 °F
Chance
Showers

Detailed Forecast

This Afternoon

Sunny, with a high near 89. Southeast wind 11 to 17 mph, with gusts as high as 29 mph.

Tonight

A slight chance of showers and thunderstorms between 9pm and midnight. Some of the storms could be severe. Partly cloudy, with a low around 67. Southeast wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

Saturday

Sunny and hot, with a high near 93. Heat index values as high as 98. South wind 9 to 13 mph, with gusts as high as 22 mph.

Saturday Night

Mostly clear, with a low around 69. West southwest wind 8 to 10 mph becoming east northeast after midnight.

Sunday

A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 88. Breezy, with an east southeast wind 13 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

Sunday Night

A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 57. North northwest wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

Monday

A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 69. Northwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Monday Night

Partly cloudy, with a low around 51. North northwest wind 7 to 10 mph becoming northeast after midnight.

Tuesday

A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 65. East wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

Wednesday

A chance of showers and thunderstorms. Cloudy, with a high near 67. Chance of precipitation is 50%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

Thursday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.