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.

Partly Cloudy

83°F

28°C

Humidity 29%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Aug 07:51 PM MDT
Extended Forecast for

Smithfield UT

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 61 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Partly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 56. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 56 °F

    Scattered
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 77. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 52. Southwest wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Scattered
    T-storms then
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 77. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Scattered
    Showers then
    Isolated
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after midnight. Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.

    High: 79 °F

    Sunny then
    Slight Chance
    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
    Showers

Detailed Forecast

Tonight
Isolated showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Friday
Scattered showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 56. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.
Saturday
Showers and possibly a thunderstorm. High near 77. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 52. Southwest wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Scattered showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 77. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 49.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
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 81.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Smithfield UT
 41.84°N 111.85°W (Elev. 4547 ft)
Last Update:
12:31 pm MDT Aug 27, 2026
Forecast Valid:
8pm MDT Aug 27, 2026-6pm MDT Sep 3, 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