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

Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

Ririe (ITD18)

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

unknown precip

51°F

11°C

Humidity 57%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility 1.24 mi
Last update 21 May 12:45 PM MDT
Extended Forecast for

Swan Valley ID

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Snow level 7700 feet. Mostly cloudy, with a high near 56. North wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

  • Tonight

    Tonight: Mostly clear, with a low around 32. North wind 5 to 10 mph becoming light and variable.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 65. East wind around 6 mph becoming west in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. West wind 5 to 7 mph becoming east southeast in the evening.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74. East southeast wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Snow level 7700 feet. Mostly cloudy, with a high near 56. North wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
Mostly clear, with a low around 32. North wind 5 to 10 mph becoming light and variable.
Friday
Mostly sunny, with a high near 65. East wind around 6 mph becoming west in the afternoon.
Friday Night
Partly cloudy, with a low around 37. West wind 5 to 7 mph becoming east southeast in the evening.
Saturday
Sunny, with a high near 74. East southeast wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 44.
Memorial Day
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
A 30 percent chance of rain and thunderstorms. Mostly sunny, with a high near 73.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A 30 percent chance of rain and thunderstorms. Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
Last Update:
12:31 pm MDT May 21, 2026
Forecast Valid:
1pm MDT May 21, 2026-6pm MDT May 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