Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

50°F

10°C

Humidity	47%
Wind Speed	NW 6 mph
Barometer	29.74 in
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	15 Apr 8:15 am MDT

More Information:

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

Extended Forecast for

10 Miles SSE Colony WY

Today
High: 72 °F
Sunny
Tonight
Low: 44 °F
Mostly Clear
Thursday
High: 63 °F
Breezy.
Mostly Sunny
then Showers
Likely
Thursday Night
Low: 25 °F
Rain/Snow
then Snow
Showers
Likely
Friday
High: 40 °F
Chance Snow
Showers and
Breezy
Friday Night
Low: 20 °F
Partly Cloudy
Saturday
High: 49 °F
Slight Chance
Rain/Snow and
Breezy
Saturday Night
Low: 26 °F
Mostly Clear
Sunday
High: 66 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 72. West wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

Tonight

Mostly clear, with a low around 44. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.

Thursday

Showers likely after noon. Increasing clouds, with a high near 63. Breezy, with a west wind 14 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 60%.

Thursday Night

Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm. Low around 25. Wind chill values as low as 14. Northwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Friday

A 50 percent chance of snow showers. Mostly cloudy, with a high near 40. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.

Friday Night

Partly cloudy, with a low around 20. Northwest wind 8 to 18 mph, with gusts as high as 29 mph.

Saturday

A slight chance of snow showers before 3pm, then a slight chance of rain showers between 3pm and 5pm, then a slight chance of rain and snow showers after 5pm. Mostly sunny, with a high near 49. Breezy, with a northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.

Saturday Night

Mostly clear, with a low around 26. Northwest wind 6 to 16 mph becoming southwest after midnight. Winds could gust as high as 26 mph.

Sunday

Sunny, with a high near 66.

Sunday Night

Mostly clear, with a low around 36.

Monday

Sunny, with a high near 74.

Monday Night

Partly cloudy, with a low around 43.

Tuesday

Sunny, with a high near 75.