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

Flash Flood Watch in effect from August 17, 03:00 PM MDT until August 18, 12:00 AM MDT

Current conditions at

Nampa Municipal Airport (KMAN)

Lat: 43.5813°NLon: 116.5231°WElev: 2536.0ft.

Clear

84°F

29°C

Humidity	39%
Wind Speed	N 8 MPH
Barometer	29.92 in (1013.21 mb)
Dewpoint	57°F (14°C)
Visibility	9.00 mi
Heat Index	83°F (28°C)
Last update	17 Aug 05:35 PM MDT

More Information:

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

Extended Forecast for

10 Miles N Jordan Valley OR

Flash Flood Watch until August 18, 12:00am

Click here for hazard details and duration

Flash Flood Watch

Flash Flood Watch until August 18, 12:00am
NOW until 12:00am Mon
Flash Flood Watch
This Afternoon
High: 82 °F
Slight Chance
T-storms
Tonight
Low: 54 °F
Isolated
T-storms then
Partly Cloudy
Monday
High: 87 °F
Sunny
Monday Night
Low: 56 °F
Mostly Clear
Tuesday
High: 92 °F
Hot
Tuesday Night
Low: 55 °F
Mostly Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 52 °F
Mostly Clear

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. West wind around 5 mph.

Tonight

Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 54. West northwest wind around 6 mph becoming east southeast after midnight. Chance of precipitation is 20%.

Monday

Sunny, with a high near 87. South wind 5 to 7 mph becoming west southwest in the afternoon.

Monday Night

Mostly clear, with a low around 56. West southwest wind 5 to 7 mph becoming northeast in the evening.

Tuesday

Sunny and hot, with a high near 92. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 55.

Wednesday

Sunny, with a high near 88.

Wednesday Night

Mostly clear, with a low around 52.