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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

Lat: 42.4785°NLon: 114.47739°WElev: 4163.0ft.

Overcast

39°F

4°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 07 Dec 05:35 PM MST
Extended Forecast for

6 Miles S Twin Falls ID

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain. Mostly cloudy, with a low around 35. West southwest wind 7 to 13 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 50. West wind 8 to 11 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. South southwest wind 9 to 16 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 55. West wind 16 to 18 mph, with gusts as high as 29 mph.

    High: 55 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 60. Breezy.

    High: 60 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 48. Calm wind.
Tonight
A 20 percent chance of rain. Mostly cloudy, with a low around 35. West southwest wind 7 to 13 mph.
Monday
Mostly sunny, with a high near 50. West wind 8 to 11 mph.
Monday Night
Mostly cloudy, with a low around 38. South southwest wind 9 to 16 mph.
Tuesday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 55. West wind 16 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46. Breezy.
Wednesday
A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 60. Breezy.
Wednesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45. Breezy.
Thursday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Twin Falls ID
 42.47°N 114.48°W (Elev. 4180 ft)
Last Update:
2:04 pm MST Dec 7, 2025
Forecast Valid:
5pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
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