National Weather Service

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SCN26-34: Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices: Effective May 6, 2026
Average Frost and Freeze Dates

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

Lat: 42.4785° N Lon: 114.47739° W Elev: 4163.0 ft.

Clear

34°F

1°C

Humidity	40%
Wind Speed	SW 10 MPH
Barometer	29.92 in (1013.21 mb)
Dewpoint	12°F (-11°C)
Visibility	10.00 mi
Wind Chill	26°F (-3°C)
Last update	24 Apr 10:20 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Southern Twin Falls County

Tonight

Mostly clear. Lows 24 to 29. Breezy.

Saturday

Partly cloudy. A chance of rain and snow showers in the afternoon. Chance of precipitation 30 percent. Highs 55 to 60.

Saturday Night

Mostly cloudy with a chance of rain and snow showers. Chance of precipitation 30 percent. Lows 32 to 37.

Sunday

Decreasing clouds. A chance of snow showers. A slight chance of rain showers in the morning, then a chance of rain showers with a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs 52 to 57.

Sunday Night

Mostly cloudy with a chance of rain and snow showers, with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of snow showers after midnight. Chance of precipitation 30 percent. Lows 30 to 35.

Monday

Rain and snow showers likely, mainly in the afternoon. Chance of precipitation 60 percent. Little snow accumulation expected. Highs 52 to 57.

Monday Night

Mostly cloudy with a chance of rain and snow showers in the evening, then mostly clear after midnight. Areas of fog after midnight. Chance of precipitation 30 percent. Lows 32 to 37.

Tuesday

Partly cloudy. A slight chance of snow showers in the morning, then a chance of rain and snow showers, with a slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Highs 58 to 63.

Tuesday Night And Wednesday

Partly cloudy. A 20 percent chance of rain showers. Lows 34 to 39. Highs 61 to 66.

Wednesday Night

Decreasing clouds. Lows 35 to 40.

Thursday

Partly cloudy. A slight chance of rain showers in the afternoon. Chance of rain 20 percent. Highs 64 to 69.

Thursday Night

Decreasing clouds. Lows 38 to 43.

Friday

Partly cloudy. A slight chance of rain showers in the afternoon. Chance of rain 20 percent. Highs 68 to 73.