Area Conditions for Boise, ID
 
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Temperature: 71 oF
Feels Like: 69 oF
Humidity: 19%
Barometer: 29.96
Dew Point: 27 oF
Wind Dir.: NNW
Wind Speed: 10 mph
Sunrise: 6:13
Sunset: 9:09
Observation: Sunny
Radar
As reported at BOISE, ID at 2:00 PM

5-day Forecast for Boise, ID
Date Thu
5/21
Fri
5/22
Sat
5/23
Sun
5/24
Mon
5/25
Weather Condition Partly Cloudy Clear Clear Partly Cloudy Partly Cloudy
Weather Partly Cloudy Clear Clear Partly Cloudy Partly Cloudy
Temperature (°F)
Low/High
48/76 49/79 52/87 58/87 59/89
Feels Like (°F)
Low/High
62/76 47/79 52/87 58/87 59/89
Dew Point (°F) 27 28 32 34 33
Humidity (%) 18 20 18 20 19
Wind Speed (mph) 14 7 7 7 10
Precipitation
Chance
(%)
- - - - -
Precipitation
Amount
(inches)
S=Snow, L=Liquid
None None None None None
Evapo-
transpiration

(inches/day)
0.34 0.28 0.31 0.31 0.36

County Forecast for Boise , ID
 
220200-
Upper Treasure Valley-
1236 PM MDT Thu May 21 2026

Rest of today   Sunny. Highs 73 to 78. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph.
Tonight   Increasing clouds. Lows 43 to 48. Northwest winds 10 to 15 mph with gusts to 25 mph in the evening, shifting to east after midnight.
Friday   Sunny. Highs 77 to 82. Southeast winds up to 10 mph in the morning, shifting to north around 10 mph in the afternoon.
Friday night   Mostly clear. Lows 44 to 50. North winds around 10 mph in the evening, shifting to east up to 10 mph after midnight. Gusts to 20 mph.
Saturday   Sunny. Highs 85 to 90. East winds up to 10 mph.
Saturday night   Partly cloudy. Lows 52 to 57.
Sunday through memorial day   Mostly clear. Highs 86 to 93. Lows 52 to 57.
Monday night   Partly cloudy. Lows 46 to 51. Windy.
Tuesday   Partly cloudy with a 20 percent chance of rain showers. Much cooler with highs 68 to 73. Windy.
Tuesday night   Partly cloudy. A chance of rain showers, mainly after midnight. Chance of rain 30 percent. Lows 40 to 46. Windy.
Wednesday   Partly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers and thunderstorms in the afternoon. Chance of rain 30 percent. Highs 67 to 72. && TEMPERATURE Boise 75 48 79 Mountain Home 76 43 80

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Southern Front, Plains Storm Still Active Friday

Stalled front and combining Plains systems will bring widespread showers and thunderstorms through Friday. » More DTN Weather Commentary

Posted at 12:18PM Thu May 21, 2026 CDT
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