Today | Weather | Friday, June 26, 2026
Active Weather Warnings

Weather in Meridian, Idaho

06:37 AM
Now
Cloudy Weather
64° F
Feels Like 61°
Precipitation 41 %
Wind 12 mph
UV Index (0 - 11+) 1
Humidity 58 %
Today
Stormy Weather
Day 70°
Night 54°
Precipitation 55 %
Wind 8 mph
UV Index (0 - 11+) 3

Meridian Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 26, 2025)
Cloudy Weather

Day

90°

Night

57°

Wind

9 mph

UV Index

10

Precipitation

0 %

Air Quality in Meridian

NOW
37 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.69 µg/m³
PM10 1.14 µg/m³
O3 0.040 ppm
NO2 0.2 ppb
SO2 0 ppb
CO 0.06 ppm
NH3 1.84 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.50.69 µg/m³
PM101.14 µg/m³
O378.11 µg/m³
NO20.36 µg/m³
SO20.03 µg/m³
CO72.54 µg/m³
NH31.84 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Meridian

Severe Future Possible

Fire Weather Watch

Fire Weather Watch issued June 25 at 8:24AM MDT until June 27 at 6:00AM MDT by NWS Boise ID
Jun 26, 12:00 PM Jun 27, 6:00 AM
...SCATTERED THUNDERSTORMS POSSIBLE FRIDAY AFTERNOON INTO SATURDAY...

.Clearing behind the cold front Friday morning will enable scattered
thunderstorms beginning Friday afternoon. Thunderstorms may
produce erratic outflow gusts up to 50 mph.

The National Weather Service in Boise has issued a Fire Weather
Watch for lightning, which is in effect from Friday afternoon
through late Friday night.

* AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern
Boise BLM, 420 Treasure Valley BLM, 423 Owyhee Mountains, 424
Western Twin Falls BLM and 426 Southern Highlands. In Oregon,
Fire Weather Zones 670 Burns BLM, 671 Steens Mountain, 672
Southern Grasslands, 673 Central Canyonlands and 674
Northwestern Vale BLM.

* TIMING...From Friday afternoon through late Friday night.

* THUNDERSTORMS...Potential for scattered coverage of
thunderstorms.

* OUTFLOW WINDS...Gusty erratic winds up to 50 mph.

IMPACTS: Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
+ Read More
A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible Red Flag Warnings.
Updated: Jun 25, 12:21 PM Source: NWS Alert
Severe Expected Likely

Red Flag Warning

Red Flag Warning issued June 25 at 12:53PM MDT until June 27 at 6:00AM MDT by NWS Boise ID
Jun 26, 12:00 PM Jun 27, 6:00 AM
...SCATTERED THUNDERSTORMS FRIDAY AFTERNOON INTO SATURDAY...

.A strong low pressure system will begin to move into the area
later today, bringing a cold front through the area early Friday
morning. Widespread showers will follow behind the front
throughout the day Friday into Saturday, however clearing behind
the front late Friday morning will enable scattered
thunderstorm development. Thunderstorms may produce erratic
outflow gusts up to 50 mph.

The National Weather Service in Boise has issued a Red Flag
Warning for lightning, which is in effect from noon MDT /11 AM
PDT/ Friday to 6 AM MDT /5 AM PDT/ Saturday. The Fire Weather
Watch is no longer in effect.

* AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern
Boise BLM, 420 Treasure Valley BLM, 423 Owyhee Mountains, 424
Western Twin Falls BLM and 426 Southern Highlands. In Oregon,
Fire Weather Zones 670 Burns BLM, 671 Steens Mountain, 672
Southern Grasslands, 673 Central Canyonlands and 674
Northwestern Vale BLM.

* TIMING...From noon MDT /11 AM PDT/ Friday to 6 AM MDT /5 AM
PDT/ Saturday.

* THUNDERSTORMS...Scattered coverage with abundant lightning.

* OUTFLOW WINDS...Gusty erratic winds up to 50 mph.

IMPACTS: Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
+ Read More
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly.
Updated: Jun 26, 5:08 AM Source: NWS Alert