Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

64°F

18°C

Humidity	68%
Wind Speed	N 5 mph
Barometer	29.88 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	15 Jul 4:55 am MDT

More Information:

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

Extended Forecast for

5 Miles ESE Saint Onge SD

Overnight
Low: 63 °F
Slight Chance
T-storms
Tuesday
High: 68 °F
Slight Chance
T-storms then
Chance
T-storms
Tuesday Night
Low: 51 °F
Showers and
Patchy Fog
Wednesday
High: 55 °F
Showers and
Patchy Fog
Wednesday Night
Low: 50 °F
Chance
Showers then
Mostly Cloudy
Thursday
High: 74 °F
Mostly Sunny
then Sunny
and Breezy
Thursday Night
Low: 59 °F
Slight Chance
T-storms then
Chance
Showers
Friday
High: 79 °F
Sunny
Friday Night
Low: 60 °F
Slight Chance
T-storms then
Chance
Showers

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 10 mph.

Tuesday

A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 68. Northwest wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.

Tuesday Night

Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Patchy fog after midnight. Low around 51. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

Wednesday

Showers and possibly a thunderstorm. Patchy fog before 10am. High near 55. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Wednesday Night

A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 50. Southeast wind around 10 mph, with gusts as high as 20 mph.

Thursday

Mostly sunny, with a high near 74. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Southeast wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

Friday

Sunny, with a high near 79. West wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

Friday Night

A slight chance of showers and thunderstorms, then a chance of showers after midnight. Partly cloudy, with a low around 60.

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 62.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Sunday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 63.