Local weather forecast

Weather in Ashton, ID

Updated 2026-08-11 09:15 local time · ZIP codes 83420

Partly Cloudy
Now72°F

Partly Cloudy

High / Low91° / 53°
Rain chance2%
Wind2 mph
Weather alerts

Active alerts

1
Red Flag Warning issued August 11 at 2:17AM MDT until August 11 at 9:00PM MDT by NWS Riverton WY

The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from noon today to 9 PM MDT this evening. * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds...could cause erratic fire behavior. * AFFECTED AREA: In Northwest WY...Fire Weather Zone 140. * COUNTIES AFFECTED: In Northwest WY...Yellowstone National Park. * WIND: West 10 to 15 mph with gusts up to 30 mph. * HUMIDITY: As low as 14 percent. * TEMPERATURES: Highs in the upper 70s.

Safety instructions

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Hourly

Next hours

NowPartly Cloudy72°2% rain
10 AMPartly Cloudy77°3% rain
11 AMOvercast82°9% rain
12 PMOvercast86°9% rain
1 PMSunny88°1% rain
2 PMSunny90°0% rain
3 PMSunny91°0% rain
4 PMSunny91°1% rain
5 PMSunny91°1% rain
6 PMSunny91°1% rain
7 PMSunny88°1% rain
8 PMPartly Cloudy79°2% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
91° 53°Sunny
Rain 2%Gust 12 mph
Tomorrow2026-08-12
Partly Cloudy
90° 60°Partly Cloudy
Rain 2%Gust 17 mph
Thursday2026-08-13
Sunny
79° 53°Sunny
Rain 70%Gust 20 mph
Conditions

Weather details

Feels like67°F
Humidity22%
Pressure29.98 inHg
Visibility6 mi
Wind2 mph SSE
Wind gusts7 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:24 AM
Sunset08:36 PM
Moonrise04:25 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 9%).

Light layers should work

It feels like 67°F with winds near 2 mph.

Best window: 9 AM

72°F, 2% rain chance and 2 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 13 mph.

Good conditions for an easy run

Current temperature is 72°F, wind 2 mph, rain chance up to 9%.

Low UV protection needs

UV index is 2.

Ashton weather today

Partly Cloudy and 72°F in Ashton, ID. Today's high is 91°F with a 2% rain chance. Winds are around 2 mph with gusts near 7 mph. Relative humidity is 22%, pressure is 29.98 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Ashton

Sunrise is at 06:24 AM and sunset is at 08:36 PM. Tomorrow's forecast calls for Partly Cloudy with a high near 90°F and a low near 60°F. The maximum rain chance is 2%.

Nearby

Weather near Ashton

Idaho

Popular cities in Idaho

View state page →