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

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Hazardous Weather Conditions

Current conditions at

CAPITOL REEF NP (CRN)

Lat: 38.2898°NLon: 111.2619°WElev: 5500.0ft.

NA

73°F

23°C

Humidity 32%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 06 Sep 10:45 AM MDT
Extended Forecast for

15 Miles ENE Boulder UT

Flood Watch until September 7, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until September 7, 12:00am

    NOW until 12:00am Mon

    Flood Watch

  • Today

    High: 75 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 54. South southwest wind 7 to 11 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 78. South southwest wind 7 to 16 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Southwest wind 10 to 15 mph becoming light and variable after midnight.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. South southwest wind 8 to 11 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 54. South southwest wind 7 to 11 mph. Chance of precipitation is 30%.
Labor Day
Mostly sunny, with a high near 78. South southwest wind 7 to 16 mph.
Monday Night
Partly cloudy, with a low around 54. Southwest wind 10 to 15 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 61.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 60.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 81.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Boulder UT
 37.97°N 111.17°W (Elev. 6398 ft)
Last Update:
12:31 am MDT Sep 6, 2026
Forecast Valid:
11am MDT Sep 6, 2026-6pm MDT Sep 12, 2026
 
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