Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48° N Lon: 103.78° W Elev: 3898 ft.

Fair

75°F

24°C

Humidity	41%
Wind Speed	Calm
Barometer	30.03 in
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	17 Aug 8:55 pm MDT

More Information:

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

Detailed forecast for

Northern Foothills

Tonight

Mostly clear this evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds 5 to 10 mph.

Monday

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. West winds 5 to 10 mph, becoming east in the afternoon. Chance of rain 30 percent.

Monday Night

Clear. Lows in the mid 60s. South winds 5 to 10 mph.

Tuesday

Sunny. Highs in the upper 80s. Southeast winds 10 to 15 mph.

Tuesday Night

Clear. Lows in the upper 60s. Southeast winds 10 to 15 mph.

Wednesday

Sunny. Highs in the mid 90s.

Wednesday Night

Mostly clear. Lows around 70.

Thursday

Mostly sunny. Highs in the mid 80s.

Thursday Night

Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 50s. Chance of rain 50 percent.

Friday

Partly cloudy in the morning, then clearing. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.

Friday Night

A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 40 percent.

Saturday

Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent.

Saturday Night

Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 50s. Chance of rain 30 percent.

Sunday

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.