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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Logan-Cache Airport (KLGU)

Lat: 41.78652°NLon: 111.85187°WElev: 4446.0ft.

Mostly Cloudy

82°F

28°C

Humidity 32%
Wind Speed NW 5 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 28 Aug 01:00 PM MDT
Extended Forecast for

Smithfield UT

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Partly sunny, with a high near 85. West southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. West southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 75. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Patchy smoke before 9pm. Mostly cloudy, with a low around 50. South southeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Sunday

    Sunday: Scattered showers and thunderstorms, mainly before noon. Partly sunny, with a high near 75. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Scattered
    Showers then
    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Isolated showers, then scattered showers and thunderstorms after 9am. Partly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Scattered
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Partly sunny, with a high near 85. West southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. West southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 75. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Patchy smoke before 9pm. Mostly cloudy, with a low around 50. South southeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Scattered showers and thunderstorms, mainly before noon. Partly sunny, with a high near 75. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 49.
Monday
Isolated showers, then scattered showers and thunderstorms after 9am. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithfield UT
 41.84°N 111.85°W (Elev. 4547 ft)
Last Update:
12:31 pm MDT Aug 28, 2026
Forecast Valid:
1pm MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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