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

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Light Rain

70°F

21°C

Humidity	94%
Wind Speed	SE 10 mph
Barometer	29.90 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	30 Jul 3:55 am CDT

More Information:

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

Extended Forecast for

13 Miles SSW Seneca SD

Overnight
Low: 74 °F
Slight Chance
T-storms
Thursday
High: 82 °F
Chance
T-storms then
Showers
Likely
Thursday Night
Low: 62 °F
Chance
T-storms
Friday
High: 85 °F
Mostly Sunny
Friday Night
Low: 59 °F
Mostly Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 93 °F
Hot and
Breezy
Sunday Night
Low: 68 °F
Mostly Clear
and Breezy

Detailed Forecast

Overnight

A slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a steady temperature around 74. Calm wind. Chance of precipitation is 10%.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. South southeast wind 6 to 14 mph becoming east northeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 62. North northeast wind 14 to 16 mph. Chance of precipitation is 30%.

Friday

Mostly sunny, with a high near 85. North northeast wind around 15 mph, with gusts as high as 23 mph.

Friday Night

Mostly clear, with a low around 59. Northeast wind 5 to 13 mph becoming south after midnight.

Saturday

Sunny, with a high near 88. South wind 5 to 13 mph, with gusts as high as 21 mph.

Saturday Night

Mostly clear, with a low around 63. South wind around 16 mph.

Sunday

Sunny and hot, with a high near 93. Breezy, with a south wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 37 mph.

Sunday Night

Mostly clear, with a low around 68. Breezy, with a south wind 23 to 28 mph, with gusts as high as 36 mph.

Monday

Mostly sunny and hot, with a high near 92. Breezy.

Monday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 60. Breezy. Chance of precipitation is 20%.

Tuesday

A slight chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 20%.

Tuesday Night

A slight chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 20%.

Wednesday

Mostly sunny, with a high near 83.