Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

54°F

12°C

Humidity	90%
Wind Speed	NW 5 mph
Barometer	30.09 in (1017.6 mb)
Dewpoint	51°F (11°C)
Visibility	NA
Wind Chill	53°F (12°C)
Last update	27 Aug 2:56 am CDT

More Information:

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

Extended Forecast for

Grenville SD

Overnight
Low: 58 °F
Patchy Fog
Thursday
High: 76 °F
Patchy Fog
then Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Friday
High: 79 °F
Mostly Sunny
then Chance
Showers
Friday Night
Low: 64 °F
Showers
Likely
Saturday
High: 81 °F
Mostly Sunny
Saturday Night
Low: 66 °F
Partly Cloudy
then Chance
T-storms
Sunday
High: 81 °F
Mostly Sunny
Sunday Night
Low: 63 °F
Slight Chance
T-storms

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly clear, with a low around 58. North wind around 5 mph.

Thursday

Patchy fog before 9am. Otherwise, sunny, with a high near 76. North wind 3 to 6 mph.

Thursday Night

Mostly clear, with a low around 58. Light and variable wind becoming east southeast 5 to 7 mph in the evening.

Friday

A chance of showers and thunderstorms, mainly between 3pm and 4pm. Increasing clouds, with a high near 79. South southeast wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Friday Night

Showers likely and possibly a thunderstorm between 7pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 64. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Mostly sunny, with a high near 81. South southeast wind 7 to 10 mph.

Saturday Night

A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. East wind around 8 mph. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 81. East wind 8 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. East wind around 8 mph. Chance of precipitation is 20%.

Monday

Mostly sunny, with a high near 80.

Monday Night

Partly cloudy, with a low around 62.