National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Current conditions at

Mountain Home Air Force Base (KMUO)

Lat: 43.05°NLon: 115.86667°WElev: 2995.0ft.

Partly Cloudy

66°F

19°C

Humidity 55%
Wind Speed WNW 8 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 50°F (10°C)
Visibility 8.00 mi
Last update 17 Aug 07:55 AM MDT
Extended Forecast for

29 Miles S Grand View ID

Flash Flood Watch August 17, 03:00pm until August 18, 12:00am
Click here for hazard details and duration
Flash Flood Watch

  • Today

    Today: Scattered showers and thunderstorms, mainly after noon. Partly sunny, with a high near 79. Northwest wind 8 to 11 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    High: 79 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms before midnight. Partly cloudy, with a low around 56. East northeast wind 6 to 11 mph becoming southwest after midnight. Chance of precipitation is 30%.

    Low: 56 °F

    Scattered
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. Southwest wind 6 to 8 mph becoming east northeast in the morning. Winds could gust as high as 20 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. South southeast wind 8 to 10 mph becoming northwest in the evening.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 90. Northwest wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after noon. Partly sunny, with a high near 79. Northwest wind 8 to 11 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms before midnight. Partly cloudy, with a low around 56. East northeast wind 6 to 11 mph becoming southwest after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 87. Southwest wind 6 to 8 mph becoming east northeast in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 59. South southeast wind 8 to 10 mph becoming northwest in the evening.
Tuesday
Sunny and hot, with a high near 90. Northwest wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
29 Miles S Grand View ID
 42.55°N 116.14°W (Elev. 5417 ft)
Last Update:
8:04 am MDT Aug 17, 2025
Forecast Valid:
8am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation