Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Ririe (ITD18)

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

NA

38°F

3°C

Humidity 69%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility 1.24 mi
Last update 17 May 02:45 AM MDT
Extended Forecast for

2 Miles NW Swan Valley ID

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 35. Light east southeast wind.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 51. Calm wind becoming north northeast 5 to 9 mph in the morning.

    High: 51 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain and snow before 3am, then a chance of snow after 4am.  Snow level 6600 feet lowering to 5500 feet after midnight . Cloudy, with a low around 34. North northeast wind 9 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A 30 percent chance of snow before 7am.  Snow level rising to 6600 feet in the afternoon. Cloudy, with a high near 53. North wind 11 to 15 mph, with gusts as high as 29 mph.  Little or no snow accumulation expected.

    High: 53 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. North wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Snow level 6400 feet rising to 8100 feet in the afternoon. Partly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain.  Snow level 8500 feet lowering to 8000 feet after midnight . Partly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 35. Light east southeast wind.
Sunday
Mostly cloudy, with a high near 51. Calm wind becoming north northeast 5 to 9 mph in the morning.
Sunday Night
A chance of rain and snow before 3am, then a chance of snow after 4am. Snow level 6600 feet lowering to 5500 feet after midnight . Cloudy, with a low around 34. North northeast wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
A 30 percent chance of snow before 7am. Snow level rising to 6600 feet in the afternoon. Cloudy, with a high near 53. North wind 11 to 15 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 30. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Snow level 6400 feet rising to 8100 feet in the afternoon. Partly sunny, with a high near 63.
Wednesday Night
A 20 percent chance of rain. Snow level 8500 feet lowering to 8000 feet after midnight . Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 39.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
1:56 am MDT May 17, 2026
3am MDT May 17, 2026-6pm MDT May 23, 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