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Twin Falls, Idaho Weather Forecast

Twin Falls County 42.56°N, 114.46°W Pop. 55,556
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Today in Twin Falls: mostly sunny with a high near 70°F and a low around 48°F. Rain chance 48%. Best chance of rain is Friday at 60%. Cooling trend: highs fall from 70°F today to 59°F by Sunday.

Forecast updated 2:05 PM MDT, Oct 22

Active Weather Alerts

7-Day Forecast for Twin Falls

Today 10/22
Mostly sunny
48%
70°48°
Fri 10/23
Slight rain showers
60%
54°45°
Sat 10/24
Clear sky
54°38°
Sun 10/25
Clear sky
59°35°
Mon 10/26
Mostly sunny
62°38°
Tue 10/27
Mostly sunny
10%
57°38°
Wed 10/28
Mostly sunny
59°36°
Hourly charts, 15-day outlook and more for Twin Falls in Local Wx →

Next 24 Hours

Now4 PM5 PM6 PM7 PM8 PM9 PM10 PM11 PMFri12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM
SkyMostly sunnyMostly sunnyOvercastPartly cloudyLight drizzleDense drizzleOvercastLight drizzleOvercastLight drizzleOvercastOvercastModerate drizzleOvercastModerate drizzleDense drizzleLight drizzleModerate drizzleLight drizzleOvercastLight drizzleOvercastOvercastLight drizzle
Temp70°70°68°66°64°60°58°56°55°54°54°53°52°51°50°49°48°45°46°47°48°48°47°46°
Rain11%17%23%18%31%48%18%19%9%10%14%22%39%46%52%53%44%60%50%38%36%29%27%31%
WindSE 10SE 9S 9SSW 8S 6SE 6E 6ESE 5SE 5S 4S 5SSW 5SW 6WSW 7WSW 10WSW 11WSW 14W 15W 16W 18W 19W 19W 18W 18

Growing Conditions

Growing degree days
3,396
since Apr 1, base 50°F
Rain, last 30 days
0.39 in
model analysis
Rain, year to date
7.04 in
since Jan 1
2-inch soil temperature
59°F
yesterday, daily average
Reference ET, last 7 days
0.88 in
FAO-56 grass reference
Through Oct 21. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Twin Falls →

Current Stats & Observations

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NWS Forecast

About Twin Falls Weather

Twin Falls sits at about 3,737 feet above sea level in Twin Falls County, Idaho. About 55,556 people live in the Twin Falls area. Official forecasts and warnings for the area come from the National Weather Service BOI office, and the nearest NEXRAD radar site is KSFX. The city is in USDA plant hardiness zone 6b, where the coldest winter night typically falls between -5 to 0°F. Over the past ten years the last spring freeze has come around Apr 20 and the first fall freeze around Oct 24.

Nearby Forecasts

Pocatello, ID Boise, ID Meridian, ID Nampa, ID Caldwell, ID Idaho Falls, ID Ogden, UT Layton, UT

Largest Cities in Idaho

Boise, ID Nampa, ID Coeur d'Alene, ID Meridian, ID Idaho Falls, ID Pocatello, ID Caldwell, ID Lewiston, ID
All Idaho forecasts (9) → All states → Interactive forecast tools →