Area Conditions for Boise, ID
 
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Temperature: 104 oF
Feels Like: 104 oF
Humidity: 13%
Barometer: 29.68
Dew Point: 45 oF
Wind Dir.: NW
Wind Speed: 12 mph
Sunrise: 6:22
Sunset: 9:20
Observation: Sunny
Radar
As reported at ID BOISE WEST AIRFIELD (155001), ID at 5:00 PM

5-day Forecast for Boise, ID
Date Mon
7/20
Tue
7/21
Wed
7/22
Thu
7/23
Fri
7/24
Weather Condition Clear Thunder Storms Mostly Cloudy Thunder Storms Partly Cloudy
Weather Clear Thunder Storms Mostly Cloudy Thunder Storms Partly Cloudy
Temperature (°F)
Low/High
71/104 73/100 74/93 71/101 72/102
Feels Like (°F)
Low/High
89/104 73/100 74/93 71/101 72/102
Dew Point (°F) 46 50 54 56 47
Humidity (%) 14 27 35 33 25
Wind Speed (mph) 12 9 7 6 7
Precipitation
Chance
(%)
- 30 - 27 -
Precipitation
Amount
(inches)
S=Snow, L=Liquid
None Rain
0.03
None Rain
0.03
None
Evapo-
transpiration

(inches/day)
0.5 0.37 0.28 0.31 0.35

County Forecast for Boise , ID
 
210400-
Upper Treasure Valley-
230 PM MDT Mon Jul 20 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/ THIS
EVENING...

Tonight   Increasing clouds. Smoke. Lows 69 to 74. West winds 10 to 15 mph with gusts to 25 mph.
Tuesday   Decreasing clouds. Areas of smoke in the morning, then patchy smoke in the afternoon. Highs 95 to 100. Breezy. Northwest winds 10 to 20 mph. Gusts to 30 mph in the afternoon.
Tuesday night   Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Patchy smoke. Chance of rain 20 percent. Lows 68 to 73. Breezy. Northwest winds 10 to 20 mph. Gusts to 30 mph in the evening, decreasing to 20 mph after midnight.
Wednesday   Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Chance of rain 20 percent. Highs 93 to 98. Southeast winds up to 10 mph in the morning, shifting to southwest in the afternoon.
Wednesday night   Mostly cloudy in the evening, then clearing. Lows 65 to 70. Northwest winds 10 to 15 mph with gusts to 25 mph in the evening, shifting to southwest after midnight.
Thursday and thursday night   Mostly clear. Highs 97 to 102. Lows 65 to 70.
Friday   Sunny. Highs 99 to 104.
Friday night through monday   Mostly clear. Lows 61 to 70. Highs 95 to 101. && TEMPERATURE Boise 72 97 71 96 Mountain Home 71 99 71 96

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Continues Through Corn Belt Tuesday
Posted at 12:04PM Mon Jul 20, 2026 CDT
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