Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

55°F

13°C

Humidity	100%
Wind Speed	W 7 mph
Barometer	29.90 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Wind Chill	53°F (12°C)
Last update	31 Aug 3:35 am CDT

More Information:

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

Extended Forecast for

Lebanon SD

Overnight
Low: 53 °F
Mostly Clear
Monday
High: 83 °F
Sunny
Monday Night
Low: 57 °F
Partly Cloudy
Tuesday
High: 79 °F
Mostly Cloudy
then Chance
Showers
Tuesday Night
Low: 55 °F
Showers
Likely
Wednesday
High: 85 °F
Mostly Sunny
Wednesday Night
Low: 62 °F
Partly Cloudy
Thursday
High: 89 °F
Mostly Sunny
Thursday Night
Low: 63 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 53. Northwest wind around 8 mph.

Monday

Sunny, with a high near 83. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

Monday Night

Partly cloudy, with a low around 57. West southwest wind 5 to 8 mph becoming north after midnight.

Tuesday

A chance of showers, mainly after 5pm. Mostly cloudy, with a high near 79. North northeast wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 30%.

Tuesday Night

Showers and thunderstorms likely before 4am, then a slight chance of showers. Mostly cloudy, with a low around 55. East wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Mostly sunny, with a high near 85. Southeast wind 8 to 16 mph, with gusts as high as 26 mph.

Wednesday Night

Partly cloudy, with a low around 62. Southeast wind 13 to 17 mph, with gusts as high as 26 mph.

Thursday

Mostly sunny, with a high near 89. South wind around 11 mph, with gusts as high as 21 mph.

Thursday Night

Mostly clear, with a low around 63. East southeast wind around 9 mph.

Friday

Sunny and hot, with a high near 92.

Friday Night

Mostly clear, with a low around 67.