Overview Realtime Historical Map View
Red Flag Warning
2026-08-10T21:00:00-06:00

* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM and Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River. * WIND...West 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...As low as 8 percent. * IMPACTS...Wind reaching these speeds and humidity drier than 15 percent can result in rapid fire spread and extreme wildfire intensity.

Swan Valley Historical Data

Historical Data


Date Snowpack SWE Snowfall Air Temperature
2025-01-26 14.0"
2025-01-27 14.0"
2025-01-28 14.0"
2025-01-29 14.0"
2025-01-30 14.0"
2025-01-31 14.0"
2025-02-01 12.0"
2025-02-02 11.0"
2025-02-03 10.0"
2025-02-04 0"
2025-02-05 8.0"
2025-02-06 7.0"
2025-02-07 7.0"
2025-02-08 7.0"
2025-02-09 7.0"
2025-02-10 7.0"
2025-02-11 7.0"
2025-02-12 7.0"
2025-02-13 7.0"
2025-02-14 0"
2025-02-15 9.0"
2025-02-16 7.0"
2025-02-17 12.0"
2025-02-18 13.0"
2025-02-19 12.0"
2025-03-02 6.0"
2025-03-03 6.0"
2025-03-04 6.0"
2025-03-05 6.0"
2025-03-06 5.0"
2025-03-07 5.0"
2025-03-08 5.0"
2025-03-09 5.0"
2025-03-10 4.0"
2025-03-11 4.0"
2025-03-12 4.0"
2025-03-13 3.0"
2025-03-14 4.0"
2025-03-15 4.0"
2025-03-16 4.0"
2025-03-17 3.0"
2025-03-18 5.0"
2025-03-19 4.0"
2025-03-20 4.0"
2025-03-21 4.0"
2025-03-22 3.0"
2025-03-23 3.0"
2025-03-24 2.0"
2025-03-25 0"
2025-03-26 0"
2025-03-27 0"
2025-03-28 0"
2025-03-29 0"
2025-03-30 0"
2025-03-31 0"
2025-04-01 0"
2025-04-02 1.0"
2025-04-03 0"
2025-04-04 0"
2025-04-05 0"
2025-04-06 0"
2025-04-07 0"
2025-04-08 0"
2025-04-09 0"
2025-04-10 0"
2025-04-11 0"
2025-04-12 0"
2025-04-13 0"
2025-04-14 0"
2025-04-15 0"
2025-04-16 0"
2025-04-17 0"
2025-04-18 2.0"
2025-04-19 0"
2025-04-20 0"
2025-04-21 0"
2025-04-22 0"
2025-04-23 0"
2025-04-24 0"
2025-04-25 0"
2025-04-26 0"
2025-04-27 0"
2025-04-28 0"
2025-04-29 0"
2025-04-30 0"
2025-05-01 0"
2025-05-02 0"
2025-05-03 0"
2025-05-04 0"
2025-05-05 0"
2025-05-06 1.0"
2025-05-07 0"
2025-05-08 0"
2025-05-09 0"
2025-05-10 0"
2025-05-11 0"
2025-05-12 0"
2025-05-13 0"
2025-05-14 0"
2025-05-15 0"
2025-05-16 0"
2025-05-17 0"
2025-05-18 0"
2025-05-19 0"
2025-05-20 0"
2025-05-21 0"
2025-05-22 0"
2025-05-23 0"
2025-05-24 0"
2025-05-25 0"
2025-05-26 0"
2025-05-27 0"
2025-05-28 0"
2025-05-29 0"
2025-05-30 0"
2025-05-31 0"
2025-06-01 0"
2025-06-02 0"
2025-06-03 0"
2025-06-04 0"
2025-06-05 0"
2025-06-06 0"
2025-06-07 0"
2025-06-08 0"
2025-06-09 0"
2025-06-10 0"
2025-06-11 0"
2025-06-12 0"
2025-06-13 0"
2025-06-14 0"
2025-06-15 0"
2025-06-16 0"
2025-06-17 0"
2025-06-18 0"
2025-06-19 0"
2025-06-20 0"
2025-06-21 0"
2025-06-22 0"
2025-06-23 0"
2025-06-24 0"
2025-06-25 0"
2025-06-26 0"
2025-06-27 0"
2025-06-28 0"
2025-06-29 0"
2025-06-30 0"
2025-07-01 0"
2025-07-02 0"
2025-07-03 0"
2025-07-04 0"
2025-07-05 0"
2025-07-06 0"
2025-07-07 0"
2025-07-08 0"
2025-07-09 0"
2025-07-10 0"
2025-07-11 0"
2025-07-12 0"
2025-07-13 0"
2025-07-14 0"
2025-07-15 0"
2025-07-16 0"
2025-07-17 0"
2025-07-18 0"
2025-07-19 0"
2025-07-20 0"
2025-07-21 0"
2025-07-22 0"
2025-07-23 0"
2025-07-24 0"
2025-07-25 0"
2025-07-26 0"
2025-07-27 0"
2025-07-28 0"
2025-07-29 0"
2025-07-30 0"
2025-07-31 0"
2025-08-01 0"
2025-08-05 0"
2025-08-06 0"
2025-08-07 0"
2025-08-08 0"
2025-08-09 0"
2025-08-10 0"
2025-08-11 0"
2025-08-12 0"
2025-08-13 0"
2025-08-14 0"
2025-08-15 0"
2025-08-16 0"
2025-08-17 0"
2025-08-18 0"
2025-08-19 0"
2025-08-20 0"
2025-08-21 0"
2025-08-22 0"
2025-08-23 0"
2025-08-24 0"
2025-08-25 0"
2025-08-26 0"
2025-08-27 0"
2025-08-28 0"
2025-08-29 0"
2025-08-30 0"
2025-08-31 0"
2025-09-01 0"
2025-09-02 0"
2025-09-03 0"
2025-09-04 0"
2025-09-05 0"
2025-09-06 0"
2025-09-07 0"
2025-09-08 0"
2025-09-09 0"
2025-09-10 0"
2025-09-11 0"
2025-09-12 0"
2025-09-13 0"
2025-09-14 0"
2025-09-15 0"
2025-09-16 0"
2025-09-17 0"
2025-09-18 0"
2025-09-19 0"
2025-09-20 0"
2025-09-21 0"
2025-09-22 0"
2025-09-23 0"
2025-09-24 0"
2025-09-25 0"
2025-09-26 0"
2025-09-27 0"
2025-09-28 0"
2025-09-29 0"
2025-09-30 0"
2025-10-01 0"
2025-10-02 0"
2025-10-03 0"
2025-10-04 0"
2025-10-05 0"
2025-10-06 0"
2025-10-07 0"
2025-10-08 0"
2025-10-09 0"
2025-10-10 0"
2025-10-11 0"
2025-10-12 0"
2025-10-13 0"
2025-10-14 0"
2025-10-15 0"
2025-10-16 0"
2025-10-17 0"
2025-10-18 0"
2025-10-19 0"
2025-10-20 0"
2025-10-21 0"
2025-10-22 0"
2025-10-23 0"
2025-10-24 0"
2025-10-25 0"
2025-10-26 0"
2025-10-27 1.0"
2025-10-28 1.0"
2025-10-29 0"
2025-10-30 0"
2025-10-31 0"
2025-11-01 0"
2025-11-02 0"
2025-11-03 0"
2025-11-04 0"
2025-11-05 0"
2025-11-06 0"
2025-11-07 0"
2025-11-08 0"
2025-11-09 0"
2025-11-10 0"
2025-11-11 0"
2025-11-12 0"
2025-11-13 0"
2025-11-14 0"
2025-11-15 0"
2025-11-16 0"
2025-11-17 0"
2025-11-18 0"
2025-11-19 0"
2025-11-20 0"
2025-11-21 0"
2025-11-22 0"
2025-11-23 0"
2025-11-24 0"
2025-11-25 0"
2025-11-26 0"
2025-11-27 0"
2025-11-28 0"
2025-11-29 0"
2025-11-30 0"
2025-12-01 0"
2025-12-02 1.0"
2025-12-03 2.0"
2025-12-04 2.0"
2025-12-05 9.0"
2025-12-06 10.0"
2025-12-07 7.0"
2025-12-08 7.0"
2025-12-09 6.0"
2025-12-10 4.0"
2025-12-11 3.0"
2025-12-12 2.0"
2025-12-13 0"
2025-12-14 0"
2025-12-15 0"
2025-12-16 0"
2025-12-17 0"
2025-12-18 0"
2025-12-19 0"
2025-12-20 0"
2025-12-21 0"
2025-12-22 0"
2025-12-23 0"
2025-12-24 0"
2025-12-25 0"
2025-12-26 0"
2025-12-27 1.0"
2025-12-28 3.0"
2025-12-29 2.0"
2025-12-30 2.0"
2025-12-31 2.0"
2026-01-01 2.0"
2026-01-02 2.0"
2026-01-03 2.0"
2026-01-04 0"
2026-01-05 1.0"
2026-01-06 0"
2026-01-07 0"
2026-01-08 2.0"
2026-01-09 3.0"
2026-01-10 2.0"
2026-01-11 2.0"
2026-01-12 1.0"
2026-01-13 1.0"
2026-01-14 1.0"
2026-01-15 1.0"
2026-01-16 1.0"
2026-01-17 1.0"
2026-01-18 1.0"
2026-01-19 0"
2026-01-20 0"
2026-01-21 0"
2026-01-22 0"
2026-01-23 0"
2026-01-24 0"
2026-01-25 1.0"
2026-01-26 1.0"
2026-01-27 1.0"
2026-01-28 1.0"
2026-01-29 1.0"
2026-01-30 1.0"
2026-01-31 0"
2026-02-01 0"
2026-02-02 0"
2026-02-03 0"
2026-02-04 0"
2026-02-05 0"
2026-02-06 0"
2026-02-07 0"
2026-02-08 0"
2026-02-09 0"
2026-02-10 1.0"
2026-02-11 2.0"
2026-02-12 3.0"
2026-02-13 3.0"
2026-02-14 1.0"
2026-02-15 1.0"
2026-02-16 0"
2026-02-17 1.0"
2026-02-18 0"
2026-02-19 0"
2026-02-20 0"
2026-02-21 0"
2026-02-22 0"
2026-02-23 0"
2026-02-24 0"
2026-02-25 0"
2026-02-26 0"
2026-02-27 0"
2026-02-28 0"
2026-03-01 0"
2026-03-02 0"
2026-03-03 0"
2026-03-04 0"
2026-03-05 1.0"
2026-03-06 0"
2026-03-07 0"
2026-03-08 0"
2026-03-09 0"
2026-03-10 0"
2026-03-11 0"
2026-03-12 0"
2026-03-13 0"
2026-03-14 0"
2026-03-15 0"
2026-03-16 0"
2026-03-17 0"
2026-03-18 0"
2026-03-19 0"
2026-03-20 0"
2026-03-21 0"
2026-03-22 0"
2026-03-23 0"
2026-03-24 0"
2026-03-25 0"
2026-03-26 0"
2026-03-27 0"
2026-03-28 0"
2026-03-29 0"
2026-03-30 0"
2026-03-31 0"
2026-04-01 0"
2026-04-02 0"
2026-04-03 2.0"
2026-04-04 0"
2026-04-05 0"
2026-04-06 0"
2026-04-07 0"
2026-04-08 0"
2026-04-09 0"
2026-04-10 0"
2026-04-11 0"
2026-04-12 0"
2026-04-13 0"
2026-04-14 0"
2026-04-15 0"
2026-04-16 0"
2026-04-17 1.0"
2026-04-18 0"
2026-04-19 0"
2026-04-20 0"
2026-04-21 0"
2026-04-22 0"
2026-04-23 0"
2026-04-24 2.0"
2026-04-25 0"
2026-04-26 0"
2026-04-27 0"
2026-04-28 1.0"
2026-04-29 0"
2026-04-30 0"
2026-05-01 0"
2026-05-02 0"
2026-05-03 0"
2026-05-04 0"
2026-05-05 0"
2026-05-06 0"
2026-05-07 0"
2026-05-08 0"
2026-05-09 0"
2026-05-10 0"
2026-05-11 0"
2026-05-13 0"
2026-05-14 0"
2026-05-15 0"
2026-05-16 0"
2026-05-17 0"
2026-05-19 0"
2026-05-20 0"
2026-05-21 0"
2026-05-22 0"
2026-05-23 0.0"
2026-05-24 0.0"
2026-05-25 0.0"
2026-05-26 0.0"
2026-05-27 0.0"
2026-05-28 0.0"
2026-05-29 0.0"
2026-05-30 0.0"
2026-05-31 0.0"
2026-06-01 0.0"
2026-06-02 0.0"
2026-06-03 0.0"
2026-06-04 0.0"
2026-06-05 0.0"
2026-06-06 0.0"
2026-06-07 0.0"
2026-06-08 0.0"
2026-06-09 0.0"
2026-06-10 0.0"
2026-06-11 0.0"
2026-06-12 0.0"
2026-06-13 0.0"
2026-06-14 0.0"
2026-06-15 0.0"
2026-06-16 0.0"
2026-06-17 0.0"
2026-06-18 0.0"
2026-06-19 0.0"
2026-06-20 0.0"
2026-06-21 0.0"
2026-06-22 0.0"
2026-06-23 0.0"
2026-06-24 0.0"
2026-06-25 0.0"
2026-06-26 0.0"
2026-06-27 0.0"
2026-06-28 0.0"
2026-06-29 0.0"
2026-06-30 0.0"
2026-07-01 0.0"
2026-07-02 0.0"
2026-07-03 0.0"
2026-07-04 0.0"
2026-07-05 0.0"
2026-07-06 0.0"
2026-07-07 0.0"
2026-07-08 0.0"
2026-07-09 0.0"
2026-07-10 0.0"
2026-07-11 0.0"
2026-07-12 0.0"
2026-07-13 0.0"
2026-07-14 0.0"
2026-07-15 0.0"
2026-07-16 0.0"
2026-07-17 0.0"
2026-07-18 0.0"
2026-07-19 0.0"
2026-07-20 0.0"
2026-07-21 0.0"
2026-07-22 0.0"
2026-07-23 0.0"
2026-07-24 0.0"
2026-07-25 0.0"
2026-07-26 0.0"
2026-07-27 0.0"
2026-07-28 0.0"
2026-07-29 0.0"
2026-07-30 0.0"
2026-07-31 0.0"
2026-08-01 0.0"
2026-08-02 0.0"
2026-08-03 0.0"
2026-08-04 0.0"
2026-08-05 0.0"
2026-08-06 0.0"
2026-08-07 0.0"
2026-08-08 0.0"
2026-08-09 0.0"

Snowfall Calendar


Date Average 2026 2025
01-01 0.3
01-02 0.4
01-03 0
01-04 0.3
01-05 0.4
01-06 0
01-07 0.7
01-08 1.1
01-09 0.4
01-10 0
01-11 0
01-12 0
01-13 0
01-14 0
01-15 0
01-16 0
01-17 0
01-18 0
01-19 0
01-20 0
01-21 0
01-22 0
01-23 0
01-24 0.3
01-25 0.4
01-26 0
01-27 0
01-28 0.3
01-29 0.4
01-30 0
01-31 0
02-01 0
02-02 0
02-03 0
02-04 0
02-05 0
02-06 0
02-07 0
02-08 0
02-09 0.3
02-10 0.7
02-11 1.0
02-12 0.8
02-13 0
02-14 0
02-15 0
02-16 0
02-17 0
02-18 0
02-19 0
02-20 0
02-21 0
02-22 0
02-23 0
02-24 0.3
02-25 0.4
02-26 0
02-27 0
02-28 0
03-01 0
03-02 0
03-03 0
03-04 0.3
03-05 0.4
03-06 0
03-07 0
03-08 0
03-09 0
03-10 0
03-11 0
03-12 0
03-13 0
03-14 0
03-15 0
03-16 0
03-17 0
03-18 0
03-19 0
03-20 0
03-21 0
03-22 0
03-23 0
03-24 0
03-25 0
03-26 0
03-27 0
03-28 0
03-29 0
03-30 0
03-31 0
04-01 0
04-02 0.8
04-03 0.7
04-04 0
04-05 0
04-06 0
04-07 0
04-08 0
04-09 0
04-10 0
04-11 0
04-12 0
04-13 0
04-14 0
04-15 0
04-16 0.4
04-17 0.3
04-18 0
04-19 0
04-20 0
04-21 0
04-22 0
04-23 0.8
04-24 1.0
04-25 0.3
04-26 0
04-27 0.4
04-28 0.6
04-29 0
04-30 0
05-01 0
05-02 0
05-03 0
05-04 0
05-05 0
05-06 0
05-07 0
05-08 0
09-01 0
09-02 0
09-03 0
09-04 0
09-05 0
09-06 0
09-07 0
09-08 0
09-09 0
09-10 0
09-11 0
09-12 0
09-13 0
09-14 0
09-15 0
09-16 0
09-17 0
09-18 0
09-19 0
09-20 0
09-21 0
09-22 0
09-23 0
09-24 0
09-25 0
09-26 0
09-27 0
09-28 0
09-29 0
09-30 0
10-01 0
10-02 0
10-03 0
10-04 0
10-05 0
10-06 0
10-07 0
10-08 0
10-09 0
10-10 0
10-11 0
10-12 0
10-13 0
10-14 0
10-15 0
10-16 0
10-17 0
10-18 0
10-19 0
10-20 0
10-21 0
10-22 0
10-23 0
10-24 0
10-25 0
10-26 0.4
10-27 0.7
10-28 0.3
10-29 0
10-30 0
10-31 0
11-01 0
11-02 0
11-03 0
11-04 0
11-05 0
11-06 0
11-07 0
11-08 0
11-09 0
11-10 0
11-11 0
11-12 0
11-13 0
11-14 0
11-15 0
11-16 0
11-17 0
11-18 0
11-19 0
11-20 0
11-21 0
11-22 0
11-23 0
11-24 0
11-25 0
11-26 0
11-27 0
11-28 0
11-29 0
11-30 0
12-01 0.2
12-02 0.7
12-03 0.6
12-04 2.8
12-05 3.9
12-06 0.8
12-07 0.2
12-08 0.2
12-09 0
12-10 0
12-11 0
12-12 0
12-13 0
12-14 0
12-15 0
12-16 0
12-17 0
12-18 0.3
12-19 0.4
12-20 0
12-21 0
12-22 0
12-23 0
12-24 0
12-25 0
12-26 0.3
12-27 1.0
12-28 0.8
12-29 0
12-30 0
12-31 0

Annual Peak Snowpack


Seasonal Comparison


Oceanic Nino Index