Overview Realtime Historical Map View
Extreme Heat Warning
2026-07-14T21:00:00-06:00

* WHAT...Dangerously hot conditions with temperatures from 100 to 105 degrees below 6,000 feet and 90 to 100 degrees between 6,000 and 7,000 feet each day. * WHERE...Portions of central, north central, northwest, south central, southwest, and west central Wyoming. * WHEN...Until 9 PM MDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Nohrsc Casper Snow Obs Historical Data

Historical Data


Date Snowpack SWE Snowfall Air Temperature
2021-02-13 3.0"
2021-02-14 3.0"
2021-02-15 3.0"
2021-02-16 0"
2021-02-17 1.0"
2021-02-18 2.0"
2021-02-20 2.0"
2021-02-21 2.0"
2021-03-09 0"
2021-03-10 6.0"
2021-03-11 4.0"
2021-03-17 0"
2021-03-18 12.0"
2021-03-19 11.0"
2021-03-20 8.0"
2021-03-21 9.0"
2021-03-22 6.0"
2021-03-23 5.0"
2021-03-24 4.0"
2021-03-26 0"
2021-03-27 1.0"
2021-04-08 0"
2021-04-09 0"
2021-04-10 0"
2021-04-11 0"
2021-04-12 0"
2021-04-14 0"
2021-04-15 1.0"
2021-04-16 1.0"
2021-04-17 1.0"
2021-04-18 0"
2021-04-19 0"
2021-04-20 0.0"
2021-10-11 0"
2021-10-12 2.0"
2021-10-13 5.0"
2021-10-31 0"
2021-11-01 0"
2021-11-10 0"
2021-11-20 0"
2021-11-21 0"
2021-12-05 0"
2021-12-09 0"
2021-12-10 2.0"
2021-12-15 2.0"
2021-12-16 3.0"
2021-12-17 0"
2021-12-25 0"
2021-12-27 0"
2021-12-28 1.0"
2021-12-31 0"
2022-01-01 1.0"
2022-01-05 4.0"
2022-01-06 3.0"
2022-01-11 0"
2022-01-12 0"
2022-01-13 0"
2022-01-14 0"
2022-01-15 0"
2022-01-19 0"
2022-01-20 0"
2022-01-21 7.0"
2022-01-22 5.0"
2022-01-23 5.0"
2022-01-24 4.0"
2022-01-25 5.0"
2022-01-26 4.0"
2022-01-27 5.0"
2022-01-28 4.0"
2022-01-31 2.0"
2022-02-01 2.0"
2022-02-02 3.0"
2022-02-03 2.0"
2022-02-04 2.0"
2022-02-06 2.0"
2022-02-11 1.0"
2022-02-12 2.0"
2022-02-15 0"
2022-02-16 1.0"
2022-02-17 3.0"
2022-02-21 1.0"
2022-02-22 1.0"
2022-02-23 2.0"
2022-02-24 2.0"
2022-02-25 2.0"
2022-02-26 2.0"
2022-02-27 2.0"
2022-03-04 0"
2022-03-05 5.0"
2022-03-06 6.0"
2022-03-07 5.0"
2022-03-08 5.0"
2022-03-09 7.0"
2022-03-10 6.0"
2022-03-11 5.0"
2022-03-12 5.0"
2022-03-13 3.0"
2022-03-14 2.0"
2022-03-16 2.0"
2022-03-17 3.0"
2022-03-20 2.0"
2022-03-21 1.0"
2022-03-22 1.0"
2022-04-01 0"
2022-04-05 0"
2022-04-06 0"
2022-04-10 1.0"
2022-04-11 0"
2022-04-12 1.0"
2022-04-13 1.0"
2022-04-23 4.0"
2022-05-09 0"
2022-05-19 0"
2022-05-20 0.0"
2022-05-21 0"
2022-10-22 0"
2022-10-23 0"
2022-11-02 0"
2022-11-03 2.0"
2022-11-11 0.0"
2022-11-15 0"
2022-11-16 0"
2022-11-17 4.0"
2022-11-18 2.0"
2022-11-23 0"
2022-11-24 2.0"
2022-11-25 2.0"
2022-11-26 0"
2022-11-27 1.0"
2022-11-28 1.0"
2022-11-29 3.0"
2022-12-02 2.0"
2022-12-08 0"
2022-12-12 0"
2022-12-13 4.0"
2022-12-14 7.0"
2022-12-15 5.0"
2022-12-16 4.0"
2022-12-17 3.0"
2022-12-18 3.0"
2022-12-19 3.0"
2022-12-21 2.0"
2022-12-22 4.0"
2022-12-23 3.0"
2022-12-24 3.0"
2022-12-26 2.0"
2022-12-31 0"
2023-01-01 3.0"
2023-01-02 8.0"
2023-01-03 7.0"
2023-01-04 6.0"
2023-01-05 5.0"
2023-01-06 5.0"
2023-01-07 4.0"
2023-01-08 4.0"
2023-01-09 4.0"
2023-01-10 3.0"
2023-01-11 6.0"
2023-01-12 8.0"
2023-01-13 6.0"
2023-01-14 5.0"
2023-01-15 5.0"
2023-01-16 4.0"
2023-01-17 5.0"
2023-01-18 7.0"
2023-01-19 7.0"
2023-01-20 6.0"
2023-01-21 6.0"
2023-01-22 6.0"
2023-01-23 7.0"
2023-01-24 6.0"
2023-01-25 6.0"
2023-01-26 5.0"
2023-01-27 5.0"
2023-01-28 7.0"
2023-01-29 6.0"
2023-01-30 6.0"
2023-01-31 5.0"
2023-02-01 5.0"
2023-02-02 5.0"
2023-02-03 5.0"
2023-02-04 4.0"
2023-02-05 4.0"
2023-02-06 4.0"
2023-02-07 3.0"
2023-02-08 0"
2023-02-09 2.0"
2023-02-10 2.0"
2023-02-11 1.0"
2023-02-14 0"
2023-02-15 3.0"
2023-02-16 2.0"
2023-02-17 1.0"
2023-02-21 0"
2023-02-22 6.0"
2023-02-23 6.0"
2023-02-24 5.0"
2023-02-25 4.0"
2023-02-27 3.0"
2023-02-28 2.0"
2023-03-01 2.0"
2023-03-03 0"
2023-03-04 0"
2023-03-05 1.0"
2023-03-06 0"
2023-03-07 0"
2023-03-15 0"
2023-03-16 1.0"
2023-03-17 1.0"
2023-03-22 0"
2023-03-23 3.0"
2023-03-27 1.0"
2023-03-28 0.0"
2023-03-31 0"
2023-04-01 0"
2023-04-03 6.0"
2023-04-04 13.0"
2023-04-05 11.0"
2023-04-06 9.0"
2023-04-07 5.0"
2023-04-08 2.0"
2023-04-14 0"
2023-04-15 0"
2023-04-27 0"
2023-06-05 0"
2023-09-29 0"
2023-09-30 0"
2023-10-01 0"
2023-10-02 0.0"
2023-10-03 0.0"
2023-10-04 0.0"
2023-10-05 0.0"
2023-10-06 0.0"
2023-10-07 0.0"
2023-10-08 0.0"
2023-10-09 0.0"
2023-10-10 0.0"
2023-10-11 0.0"
2023-10-13 0"
2023-10-14 0.0"
2023-10-15 0"
2023-10-16 0"
2023-10-17 0"
2023-10-18 0"
2023-10-19 0"
2023-10-20 0"
2023-10-21 0"
2023-10-22 0"
2023-10-23 0"
2023-10-24 0"
2023-10-25 0.0"
2023-10-26 0"
2023-10-27 0"
2023-10-28 0"
2023-10-29 0"
2023-10-30 0"
2023-10-31 0"
2023-11-01 0"
2023-11-04 0.0"
2023-11-05 0.0"
2023-11-06 0.0"
2023-11-07 0.0"
2023-11-08 0.0"
2023-11-09 0.0"
2023-11-10 0.0"
2023-11-11 0.0"
2023-11-12 0.0"
2023-11-13 0.0"
2023-11-14 0.0"
2023-11-15 0.0"
2023-11-16 0.0"
2023-11-17 0.0"
2023-11-18 0.0"
2023-11-19 0.0"
2023-11-20 0.0"
2023-11-21 0.0"
2023-11-22 0.0"
2023-11-23 4.0"
2023-11-24 4.0"
2023-11-25 3.0"
2023-11-26 2.0"
2023-11-28 1.0"
2023-11-29 1.0"
2023-11-30 1.0"
2023-12-01 1.0"
2023-12-09 0"
2023-12-10 0"
2023-12-12 0"
2023-12-23 0"
2023-12-24 0.0"
2023-12-25 0"
2023-12-26 0"
2024-01-05 0"
2024-01-06 1.0"
2024-01-07 0"
2024-01-08 1.0"
2024-01-09 1.0"
2024-01-11 2.0"
2024-01-12 2.0"
2024-01-13 2.0"
2024-01-14 2.0"
2024-01-15 3.0"
2024-01-16 2.0"
2024-01-17 1.0"
2024-01-18 2.0"
2024-01-19 2.0"
2024-01-22 0.0"
2024-01-23 0.0"
2024-01-24 0.0"
2024-01-25 0.0"
2024-01-26 0.0"
2024-01-27 0.0"
2024-01-28 0.0"
2024-01-29 0.0"
2024-01-30 0.0"
2024-01-31 0.0"
2024-02-03 0"
2024-02-05 0"
2024-02-06 0.0"
2024-02-15 0"
2024-02-16 3.0"
2024-02-18 3.0"
2024-03-13 0"
2024-03-14 0"
2024-03-22 0"
2024-03-23 0"
2024-03-24 0"
2024-03-25 1.0"
2024-03-26 1.0"
2024-03-27 0"
2024-03-28 0"
2024-03-29 0"
2024-03-30 0"
2024-03-31 0"
2024-04-01 0.0"
2024-04-02 0"
2024-04-03 0"
2024-04-04 0"
2024-04-05 0"
2024-04-06 1.0"
2024-04-07 1.0"
2024-04-08 0"
2024-04-09 0"
2024-04-10 0"
2024-04-11 0"
2024-04-12 0"
2024-04-13 0"
2024-04-14 0"
2024-04-15 0"
2024-04-16 0"
2024-04-17 0"
2024-04-18 0"
2024-04-19 0"
2024-04-20 0"
2024-04-21 0"
2024-04-22 0"
2024-04-23 0"
2024-04-24 0"
2024-04-25 0"
2024-04-26 0"
2024-04-27 0"
2024-04-28 0"
2024-04-29 0"
2024-04-30 0"
2024-05-01 0"
2024-05-02 0"
2024-05-03 2.0"
2024-05-04 0"
2024-05-05 0"
2024-05-06 0"
2024-05-07 0"
2024-05-08 0"
2024-05-09 0"
2024-05-10 0"
2024-05-11 0"
2024-05-12 0"
2024-05-13 0"
2024-05-14 0"
2024-05-15 0"
2024-05-16 0"
2024-05-17 0"
2024-05-18 0"
2024-05-19 0"
2024-05-20 0"
2024-05-21 0"
2024-05-22 0"
2024-05-23 0"
2024-05-24 0"
2024-05-25 0"
2024-05-26 0"
2024-05-27 0"
2024-05-28 0"
2024-05-29 0"
2024-05-30 0"
2024-05-31 0"
2024-06-01 0"
2024-06-23 0.0"
2024-06-24 0.0"
2024-06-25 0.0"
2024-06-26 0.0"
2024-06-27 0.0"
2024-06-28 0.0"
2024-06-29 0.0"
2024-06-30 0.0"
2024-07-01 0.0"
2024-07-02 0.0"
2024-07-03 0.0"
2024-07-04 0.0"
2024-07-05 0.0"
2024-07-06 0.0"
2024-07-07 0.0"
2024-07-08 0.0"
2024-07-09 0.0"
2024-07-10 0.0"
2024-07-11 0.0"
2024-07-12 0.0"
2024-07-13 0.0"
2024-07-14 0.0"
2024-07-15 0.0"
2024-07-16 0.0"
2024-07-17 0.0"
2024-07-18 0.0"
2024-07-19 0.0"
2024-07-20 0.0"
2024-07-21 0"
2024-07-22 0"
2024-07-23 0"
2024-07-24 0"
2024-07-25 0"
2024-07-26 0.0"
2024-07-27 0.0"
2024-07-28 0.0"
2024-07-29 0.0"
2024-07-30 0.0"
2024-07-31 0.0"
2024-09-26 0"
2024-09-27 0"
2024-09-28 0"
2024-09-29 0"
2024-09-30 0"
2024-12-09 0"
2024-12-10 0"
2025-01-06 1.0"
2025-01-07 2.0"
2025-01-08 1.0"
2025-01-09 2.0"
2025-01-10 1.0"
2025-01-24 1.0"
2025-01-25 1.0"
2025-01-26 1.0"
2025-01-27 1.0"
2025-01-28 1.0"
2025-03-30 0"
2025-03-31 1.0"
2025-04-04 0"
2025-04-05 3.0"
2025-04-29 0.0"
2025-04-30 0.0"
2025-05-01 0.0"
2025-05-27 0.0"
2025-05-28 0.0"
2025-05-29 0.0"
2025-05-30 0.0"
2025-06-01 0.0"
2025-06-29 0.0"
2025-06-30 0.0"
2025-07-01 0.0"
2025-07-08 0.0"
2025-07-09 0.0"
2025-07-10 0.0"
2025-07-11 0.0"
2025-07-12 0"
2025-07-13 0.0"
2025-07-14 0.0"
2025-07-15 0.0"
2025-07-19 0.0"
2025-07-20 0.0"
2025-07-21 0.0"
2025-07-22 0.0"
2025-07-28 0.0"
2025-07-29 0"
2025-07-30 0"
2025-07-31 0"
2025-08-01 0"
2025-08-22 0.0"
2025-08-23 0.0"
2025-08-24 0.0"
2025-08-25 0.0"
2025-09-05 0.0"
2025-09-06 0.0"
2025-09-07 0.0"
2025-09-08 0.0"
2025-10-18 0.0"
2025-10-19 0.0"
2025-10-20 0.0"
2025-10-21 0.0"
2025-11-01 0.0"
2025-11-02 0.0"
2025-11-03 0"
2025-11-04 0"
2025-11-05 0"
2025-12-07 0"
2025-12-08 0"
2025-12-09 0"
2025-12-10 0"
2025-12-12 0"
2025-12-13 0"
2025-12-14 0"
2025-12-15 0"
2026-01-25 0"
2026-01-26 0"
2026-01-27 0"
2026-01-28 0"
2026-02-01 0"
2026-02-08 0"
2026-02-09 0"
2026-02-10 0"
2026-02-11 0"
2026-03-20 0.0"
2026-03-21 0.0"
2026-03-22 0.0"
2026-03-23 0.0"
2026-03-24 0.0"
2026-03-25 0.0"
2026-03-27 0.0"
2026-03-28 0.0"
2026-03-29 0.0"
2026-03-30 0.0"
2026-04-03 0.0"
2026-04-04 0.0"
2026-04-05 0.0"
2026-04-06 0.0"
2026-04-10 0.0"
2026-04-14 0.0"
2026-04-15 0.0"
2026-04-16 0.0"
2026-04-17 4.0"
2026-04-18 6.0"
2026-04-19 0.0"
2026-04-20 0.0"
2026-04-21 0.0"
2026-04-22 0.0"
2026-04-24 0.0"
2026-04-25 2.0"
2026-04-26 0.0"
2026-04-27 0.0"
2026-04-28 1.0"
2026-04-29 0.0"
2026-05-19 2.0"
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"

Snowfall Calendar


Date Average 2026 2025 2024 2023 2022 2021
01-01 2.85
01-02 6.5
01-03 0.5
01-04 0
01-05 0
01-06 0.8
01-07 0.5
01-08 0.7
01-09 0.5
01-10 0
01-11 3.55
01-12 0.5
01-13 0.5
01-14 0
01-15 0.7
01-16 0
01-17 1.1
01-18 1.9
01-19 0.4
01-20 0.1
01-21 7.7
01-22 0
01-23 2.7
01-24 0
01-25 1.1
01-26 0
01-27 0.65
01-28 6.5
01-29 0.7
01-30 0.1
01-31 0
02-01 0.7
02-02 0
02-03 0.4
02-04 0
02-05 0
02-06 0.4
02-07 0
02-08 0
02-09 0.1
02-10 0
02-11 1.2
02-12 2.8
02-14 2.2
02-15 0.85
02-16 3.8
02-17 0.9
02-18 2.0
02-21 0.75
02-22 5.0
02-23 0.45
02-24 0.2
02-25 0.3
02-26 0
02-27 0
02-28 0.1
03-01 0
03-03 0
03-04 0.3
03-05 3.4
03-06 1.9
03-07 0.1
03-08 1.0
03-09 3.7
03-10 0
03-11 0
03-12 0
03-13 0
03-14 0.9
03-15 0
03-16 1.95
03-17 0.8
03-20 1.9
03-21 1.0
03-22 2.3
03-23 2.6
03-24 0
03-25 0.2
03-26 0
03-27 0.8
03-28 0
03-29 0
03-30 0.5
03-31 0.4
04-01 0.4
04-02 0.1
04-03 7.1
04-04 11.15
04-05 2.2
04-06 4.6
04-07 0.2
04-08 0
04-09 0
04-10 4.0
04-11 0
04-12 2.3
04-13 0.1
04-14 0.1
04-15 1.1
04-16 0
04-17 1.55
04-18 0.8
04-19 0
04-20 0
04-21 0
04-22 0
04-23 0
04-24 1.9
04-25 0
04-26 0
04-27 0.4
04-28 0.5
04-29 0
04-30 0
05-01 0
05-02 0
05-03 7.1
05-04 0
05-05 0
05-06 0
05-07 0
05-08 0
05-09 0.2
05-10 0
05-11 0
05-12 0
05-13 0
05-14 0
05-15 0
05-16 0
05-17 0
05-18 0
05-19 0.1
05-20 0.3
05-21 0
05-22 0
05-23 0
05-24 0
05-25 0
05-26 0
05-27 0
05-28 0
05-29 0
05-30 0
05-31 0
06-01 0
06-05 0
06-23 0
06-24 0
06-25 0
06-26 0
06-27 0
06-28 0
06-29 0
06-30 0
07-01 0
07-02 0
07-03 0
07-04 0
07-05 0
07-06 0
07-07 0
07-08 0
07-09 0
07-10 0
07-11 0
07-12 0
07-13 0
07-14 0
07-15 0
07-16 0
07-17 0
07-18 0
07-19 0
07-20 0
07-21 0
07-22 0
07-23 0
07-24 0
07-25 0
07-26 0
07-27 0
07-28 0
07-29 0
07-30 0
07-31 0
08-01 0
08-22 0
08-23 0
08-24 0
08-25 0
09-05 0
09-06 0
09-07 0
09-08 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 5.8
10-13 6.5
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 1.7
10-27 0
10-28 0.4
10-29 0.2
10-30 0
10-31 0.3
11-01 0.1
11-02 2.6
11-03 4.9
11-04 0
11-05 0
11-06 0
11-07 0
11-08 0
11-09 0
11-10 0.5
11-11 0
11-12 0
11-13 0
11-14 0
11-15 0.2
11-16 0
11-17 3.4
11-18 0
11-19 0
11-20 0
11-21 0
11-22 0
11-23 3.05
11-24 2.7
11-25 0.2
11-26 0
11-27 0.4
11-28 3.0
11-29 0.6
11-30 0
12-01 0
12-02 0
12-05 0
12-07 0
12-08 0
12-09 0.5
12-10 2.2
12-12 0
12-13 6.9
12-14 2.4
12-15 3.6
12-16 0
12-17 0
12-18 0
12-19 0
12-21 2.0
12-22 0.1
12-23 0
12-24 0.6
12-25 0
12-26 0.2
12-27 0
12-28 1.2
12-31 0.2

Annual Peak Snowpack


Seasonal Comparison


Oceanic Nino Index