Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Red Flag Warning until July 26, 12:00 AM MDT

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

100°F

38°C

Humidity	20%
Wind Speed	NE 9 G 17 mph
Barometer	29.97 in
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	25 Jul 1:15 pm MDT

More Information:

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

Extended Forecast for

Lead SD

Red Flag Warning July 25, 01:38pm until July 26, 12:00am

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning July 25, 01:38pm until July 26, 12:00am
NOW until 12:00am Sun
Red Flag Warning
This Afternoon
High: 97 °F
Scattered
T-storms
Tonight
Low: 71 °F
Scattered
T-storms then
Partly Cloudy
Sunday
High: 94 °F
Sunny
Sunday Night
Low: 68 °F
Chance
T-storms
Monday
High: 93 °F
Slight Chance
T-storms then
Chance
T-storms
Monday Night
Low: 66 °F
Chance
T-storms then
Partly Cloudy
Tuesday
High: 90 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 67 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 97. Southwest wind 3 to 5 mph. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

Tonight

Scattered showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 71. Light southwest wind. Winds could gust as high as 16 mph. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 94. West wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light and variable wind. Winds could gust as high as 15 mph.

Monday

A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 93. Calm wind becoming southeast around 5 mph. Winds could gust as high as 15 mph.

Monday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66. Light and variable wind. Winds could gust as high as 15 mph.

Tuesday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.

Tuesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 67.

Wednesday

Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 90.

Wednesday Night

A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 66.

Thursday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87.

Thursday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 64.