Weather Alerts for Idaho

Recent Locations: Maytown, PA Laclede, ID

1. Extreme Heat Warning for: Lewiston Area; Lower Garfield and Asotin Counties

2. Heat Advisory for: Lewis and Southern Nez Perce Counties

3. Heat Advisory for: Lower Treasure Valley; Malheur County; Oregon Lower Treasure Valley

4. Heat Advisory for: Northern Panhandle; Coeur d'Alene Area; Idaho Palouse; Central Panhandle Mountains; Washington Palouse; Spokane Area; Northeast Mountains

5. Heat Advisory for: Orofino/Grangeville Region; Lower Hells Canyon/Salmon River Region

6. Heat Advisory for: Upper Treasure Valley

7. Red Flag Warning for: East Salmon River Mountains/Salmon NF; Lemhi and Lost River Range/Challis NF

8. Red Flag Warning for: Palouse/Nezperce Reservation/Hells Canyon Region

9. Red Flag Warning for: Sawtooth Range/Northern Sawtooth NF; Middle Snake River Valley/Twin Falls BLM north of the Snake River; Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River

10. Red Flag Warning for: Upper Snake River Valley/Idaho Falls BLM; Centennial Mountains and Snake River Range/Targhee NF; Caribou Range/Caribou NF

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

National Weather Forecast--Current

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National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

Weather Topic: What is Evaporation?

Home - Education - Precipitation - Evaporation

Next Topic: Fog

Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process in the water cycle.

Evaporation is the transformation of liquid into gas, and it happens because molecules are excited by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.

Next Topic: Fog

Weather Topic: What are Fractus Clouds?

Home - Education - Cloud Types - Fractus Clouds

Fractus Clouds Next Topic: Freezing Rain

A fractus cloud (scud) is a fragmented, tattered cloud which has likely been sheared off of another cloud. They are accessory clouds, meaning they develop from parent clouds, and are named in a way which describes the original cloud which contained them.

Fractus clouds which have originated from cumulus clouds are referred to as cumulus fractus, while fractus clouds which have originated from stratus clouds are referred to as stratus fractus. Under certain conditions a fractus cloud might merge with another cloud, or develop into a cumulus cloud, but usually a fractus cloud seen by itself will dissipate rapidly.

They are often observed on the leading and trailing edges of storm clouds, and are a display of wind activity.

Next Topic: Freezing Rain