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

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Mist

23°F

-5°C

Humidity 92%
Wind Speed SSW 4 MPH
Barometer 30.61 in (1036.57 mb)
Dewpoint 21°F (-6°C)
Visibility 6.00 mi
Wind Chill18°F (-8°C)
Last update 13 Jan 07:35 AM MST
Extended Forecast for

Weiser ID

Air Stagnation Advisory January 13, 07:56am until January 19, 05:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 13, 07:56am until January 19, 05:00am

    NOW until 5:00am Mon

    Air Stagnation Advisory

  • Today

    High: 39 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 38. Calm wind.

    High: 38 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 8pm. Otherwise, mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 39. Calm wind.

    High: 39 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 22.

    Low: 22 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, sunny, with a high near 41.

    High: 41 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Today
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 39. Calm wind.
Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 25. Calm wind.
Wednesday
Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 38. Calm wind.
Wednesday Night
Patchy fog after 8pm. Otherwise, mostly clear, with a low around 22. Calm wind.
Thursday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 39. Calm wind.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 22.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 41.
Friday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 22.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 41.
Saturday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 24.
Sunday
Patchy fog. Otherwise, sunny, with a high near 42.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 25.
M.L.King Day
Patchy fog. Otherwise, sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weiser ID
 44.25°N 116.96°W (Elev. 2188 ft)
Last Update:
2:04 am MST Jan 13, 2026
Forecast Valid:
7am MST Jan 13, 2026-6pm MST Jan 19, 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