Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Ririe (ITD18)

Lat: 43.6111°NLon: 111.70531°WElev: 5106.0ft.

NA

55°F

13°C

Humidity 40%
Wind Speed WSW 19 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility 1.24 mi
Last update 21 Mar 11:45 PM MDT
Extended Forecast for

Swan Valley ID

  • Overnight

    Overnight: A slight chance of rain between 1am and 3am.  Snow level 8600 feet lowering to 7600 feet. Partly cloudy, with a low around 39. East southeast wind 5 to 7 mph becoming south.  Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Light and variable wind becoming west northwest around 6 mph in the morning.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. West northwest wind around 6 mph becoming light and variable.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63. East southeast wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. West southwest wind 6 to 8 mph becoming south southeast after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain between 1am and 3am. Snow level 8600 feet lowering to 7600 feet. Partly cloudy, with a low around 39. East southeast wind 5 to 7 mph becoming south. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 59. Light and variable wind becoming west northwest around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 38. West northwest wind around 6 mph becoming light and variable.
Monday
Partly sunny, with a high near 63. East southeast wind 5 to 8 mph becoming west southwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 44. West southwest wind 6 to 8 mph becoming south southeast after midnight.
Tuesday
Mostly cloudy, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
11:31 pm MDT Mar 21, 2026
12am MDT Mar 22, 2026-6pm MDT Mar 28, 2026
 
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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