Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

71°F

22°C

Humidity	94%
Wind Speed	SE 7 mph
Barometer	29.91 in (1010.6 mb)
Dewpoint	69°F (21°C)
Visibility	NA
Last update	30 Jul 5:56 am CDT

More Information:

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

Extended Forecast for

6 Miles NE Grenville SD

Today
High: 81 °F
Slight Chance
T-storms then
Showers
Tonight
Low: 62 °F
Showers
Likely then
Chance
T-storms
Friday
High: 78 °F
Slight Chance
Showers then
Patchy Smoke
Friday Night
Low: 60 °F
Mostly Clear
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 64 °F
Mostly Clear
Sunday
High: 84 °F
Sunny
Sunday Night
Low: 67 °F
Mostly Clear
and Breezy
Monday
High: 84 °F
Mostly Sunny
and Breezy

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Patchy smoke before 7am. High near 81. South wind 7 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 62. East wind 9 to 11 mph becoming north northeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

A slight chance of showers before 7am. Patchy smoke after 9am. Cloudy through mid morning, then gradual clearing, with a high near 78. North wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.

Friday Night

Mostly clear, with a low around 60. North wind 5 to 10 mph becoming light north northwest after midnight.

Saturday

Sunny, with a high near 81. Light and variable wind becoming west northwest around 5 mph in the morning.

Saturday Night

Mostly clear, with a low around 64. South wind 5 to 11 mph, with gusts as high as 20 mph.

Sunday

Sunny, with a high near 84. South wind 13 to 18 mph, with gusts as high as 30 mph.

Sunday Night

Mostly clear, with a low around 67. Breezy, with a south wind 18 to 20 mph, with gusts as high as 33 mph.

Monday

Mostly sunny, with a high near 84. Breezy, with a south wind around 20 mph, with gusts as high as 32 mph.

Monday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. Chance of precipitation is 60%.

Tuesday

A slight chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 20%.

Tuesday Night

A slight chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 20%.

Wednesday

Mostly sunny, with a high near 77.