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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Logan-Cache Airport (KLGU)

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

Clear

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Sep 02:20 AM MDT
Extended Forecast for

Portage UT

  • Overnight

    Overnight: Mostly clear, with a low around 41. North wind 3 to 5 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

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

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 41. North wind 3 to 5 mph.
Sunday
Sunny, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 44. Light and variable wind.
Monday
Sunny, with a high near 76. Light and variable wind.
Monday Night
Partly cloudy, with a low around 49. Light and variable wind.
Tuesday
A 10 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 76.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage UT
 41.97°N 112.25°W (Elev. 4567 ft)
Last Update:
12:31 am MDT Sep 20, 2026
Forecast Valid:
2am MDT Sep 20, 2026-6pm MDT Sep 26, 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