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

Areas of Showers and Thunderstorms to Start the Work Week

Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >

Current conditions at

Bolinder Field-Tooele Valley Airport (KTVY)

Lat: 40.61269°NLon: 112.35362°WElev: 4291.0ft.

Clear

54°F

12°C

Humidity 66%
Wind Speed SSE 4 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Sep 11:55 PM MDT
Extended Forecast for

Grantsville UT

  • Overnight

    Overnight: Partly cloudy, with a low around 50. South southwest wind around 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. South southwest wind 5 to 7 mph becoming north northeast in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. North northeast wind around 6 mph becoming south after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. South wind 5 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 53. Northwest wind 6 to 8 mph becoming south southeast in the evening. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. South southwest wind around 5 mph.
Monday
Mostly sunny, with a high near 75. South southwest wind 5 to 7 mph becoming north northeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 57. North northeast wind around 6 mph becoming south after midnight.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. South wind 5 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 53. Northwest wind 6 to 8 mph becoming south southeast in the evening. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantsville UT
 40.59°N 112.46°W (Elev. 4318 ft)
Last Update:
12:31 pm MDT Sep 20, 2026
Forecast Valid:
12am MDT Sep 21, 2026-6pm MDT Sep 27, 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