Boise Weather Radar

Boise Live Weather

Boise Live Weather Radar

Click to toggle between the Boise cloud cover radar map and the Boise precipitation radar map.

Boise Hourly Weather Forecast

Boise 7-Day Weather Forecast

Boise Weather Overview

Boise weather radar matters because the city sits in the Treasure Valley, where semi-arid air, mountain terrain, and fast weather swings can change conditions in a few hours. Boise averages 11.73 inches of precipitation and 19.2 inches of snow in a typical year at Boise Air Terminal. The NWS Boise office, WFO BOI, covers the metro area, and Boise weather radar is the quickest way to watch winter bands, spring showers, and gusty outflow move across Ada County.

Winter and spring bring the biggest day-to-day shifts. Boise weather radar helps track rain changing to snow, narrow bands of heavier precipitation, and thunderstorm lines dropping out of the mountains. NOAA data show December 1983 produced 26.2 inches of snow, still the snowiest month in the airport record. May 1998 brought 4.40 inches of precipitation, the wettest month on record, and Boise weather radar is useful in those setups because heavier cells can focus over one side of the valley while another neighborhood stays mostly dry.

Summer is drier, but Boise weather radar still earns its keep during heat, smoke, and sudden storms. The city hit 111°F on July 19, 1960, and plunged to -25°F on December 22, 1990. Boise weather doppler radar also helps spot late-day thunderstorm outflows that kick up wind and dust near I-84. During wildfire season, wind shifts around the valley decide whether smoke settles over downtown Boise or drifts east toward the foothills.

Boise Weather Risks & Safety

Key weather hazards to monitor on the Boise weather radar

Winter Storm Risk

Winter storms hit Boise when Gulf or Pacific moisture runs into cold Arctic air — the result is some combination of heavy snow, ice, and strong winds. The key thing to watch on radar is the rain-snow line: that boundary determines whether Boise gets rain, freezing rain, or heavy snow, and it can shift by miles in an hour. When a winter storm watch goes up, stock your emergency supplies and plan to stay home.

Severe Thunderstorm Risk

Severe thunderstorms roll through Boise regularly, especially spring through early fall. Expect damaging winds above 58 mph, large hail, and dangerous lightning. The radar shows you each storm cell's position, movement, and intensity — so you can tell if one is headed your way. When a thunderstorm warning drops for Boise, get indoors and away from windows until it passes.

Wildfire Smoke Risk

Wildfire smoke drifts into Boise even when the fires are hundreds of miles away. Upper-level winds carry smoke plumes that turn skies hazy and push the Air Quality Index into unhealthy territory. Radar can't detect smoke directly, but it shows the wind patterns and incoming fronts that determine whether smoke lingers over Boise or gets pushed out. If you have asthma or respiratory issues, check the AQI alongside the radar during wildfire season.

Extreme Heat Risk

Summers in Boise get dangerously hot — heat indices regularly push past 100°F, and heat waves can last for weeks. When the radar shows clear skies with no storm activity for days, that usually means the heat is building. Outdoor workers, elderly residents, and anyone without reliable AC are most at risk. Stay hydrated, avoid outdoor activity during peak afternoon hours, and check on neighbors who might be struggling.

How to Use Boise Weather Radar

Follow these steps to get the most from the Boise weather radar data.

Check the Treasure Valley setup

Start with Boise weather radar and current conditions to see whether moisture is coming in from the west or dropping out of the foothills. That quick check tells you if the valley is dealing with snow bands, spring showers, or dry summer outflows.

Watch the radar animation over Boise

Play the Boise weather radar loop for a few minutes instead of looking at one frame. In this valley, narrow bands can clip downtown, the Bench, or east Boise differently, and the motion matters more than a single snapshot.

Match radar with the hourly forecast

Use the hourly forecast under the map to check when rain flips to snow, when wind peaks near I-84, or when late-day thunderstorms are most likely. That is the fastest way to time a commute or trail run.

Recheck during heat or smoke events

During summer, come back often even if the radar looks mostly quiet. Wind shifts around Boise can move wildfire smoke fast, and isolated evening storms can throw out strong gusts after a hot, dry afternoon.

Who Benefits from Boise Weather Radar

How different people use the Boise radar data

Commuters & Drivers

Check I-84 and Eagle Road before storms, snow bands, or strong outflow winds cross Boise.

Outdoor Enthusiasts

Greenbelt runners and Camel's Back hikers can spot showers before heading into the foothills.

Event Planners & Families

Albertsons Stadium and Julia Davis Park events benefit from fast radar checks before start time.

Outdoor Workers

Micron, airport, and construction crews can pause outdoor work before wind, lightning, or smoke worsens.

Boise Weather FAQ

Common questions about Boise weather patterns and radar

How much precipitation does Boise get each year?

Boise averages 11.73 inches of precipitation per year at Boise Air Terminal, based on NOAA climate normals. That is low compared with many U.S. cities, but the dry average hides sharp swings. A wet spring month can still bring repeated storm days, and winter snow bands can create slick roads across the Treasure Valley.

How much snow does Boise usually get each year?

Boise averages 19.2 inches of snow per year under NOAA annual normals for the airport station. Snowfall is not constant through winter, though. Boise can go quiet for stretches, then still pick up several inches in a short period when valley inversions break and a stronger Pacific system pushes inland.

What was the snowiest period on record in Boise?

NOAA daily summaries show December 1983 delivered 26.2 inches of snow in Boise, the snowiest month in the airport record. That total is higher than the city's current annual snowfall normal. When a setup like that develops, Boise weather radar becomes useful for tracking where heavier bands are forming across the valley.

What is the hottest weather ever recorded in Boise?

The official record high for Boise is 111°F, set on July 19, 1960, at Boise Air Terminal. That day came during a longer hot stretch with highs from 100°F to 111°F between July 15 and July 21. Even in a dry climate, that kind of heat can make wind, smoke, and fire-weather changes more dangerous.

Which National Weather Service office covers Boise weather radar?

The Boise area is served by NWS Boise, WFO BOI, based at the National Interagency Fire Center in Boise. That office handles forecasts, warnings, and local weather statements for southwest Idaho and southeast Oregon. If winter storms, thunderstorms, or fire-weather alerts are developing, WFO BOI is the local federal office to watch.

How is this different from Weather.com or The Weather Channel radar for Boise?

Weather.com and The Weather Channel package radar with broader national coverage, video, and forecast explainers. This page is built for quick Boise weather radar access with an interactive map, hourly forecast, and 7-day outlook in one place. Radar imagery updates about every 10 minutes, so it is handy when you just want the map without extra clutter.