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Current Weather Conditions:
STAMPEDE PASS, WA, United States

NWS Point Forecast for KSMP (KSMP) 47-17N 121-20W 1208M

Conditions at

2026.08.18 1856 UTC
Visibility 10 mile(s)
Sky conditions clear
Temperature 66.9 F (19.4 C)
Dew Point 53.1 F (11.7 C)
Relative Humidity 61%
Pressure (altimeter) 30.2 in. Hg (1022 hPa)
ob KSMP 181856Z AUTO 10SM CLR 19/12 A3020 RMK AO2 SLP203 T01940117

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
63.0 (17.2) 52.0 (11.1) In the 6 hours preceding Aug 18, 2026 - 01:56 PM EDT / 2026.08.18 1756 UTC
73.9 (23.3) 51.1 (10.6) In the 24 hours preceding Aug 18, 2026 - 02:56 AM EDT / 2026.08.18 0656 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 3 PM (19) Aug 18 66.9 (19.4) 53.1 (11.7) 30.2 (1022)
2 PM (18) Aug 18 63.0 (17.2) 53.1 (11.7) 30.2 (1022)
1 PM (17) Aug 18 60.1 (15.6) 54.0 (12.2) 30.2 (1022)
Noon (16) Aug 18 55.0 (12.8) 54.0 (12.2) 30.19 (1022)
11 AM (15) Aug 18 54.0 (12.2) 53.1 (11.7) 30.19 (1022) mist
10 AM (14) Aug 18 53.1 (11.7) 53.1 (11.7) 30.19 (1022) mist
9 AM (13) Aug 18 53.1 (11.7) 52.0 (11.1) 30.18 (1022) fog
8 AM (12) Aug 18 53.1 (11.7) 52.0 (11.1) 30.18 (1022) mist
7 AM (11) Aug 18 53.1 (11.7) 53.1 (11.7) 30.18 (1022) mist
6 AM (10) Aug 18 53.1 (11.7) 53.1 (11.7) 30.18 (1022) mist
5 AM (9) Aug 18 54.0 (12.2) 53.1 (11.7) 30.18 (1022) mist
4 AM (8) Aug 18 54.0 (12.2) 53.1 (11.7) 30.18 (1022) mist
3 AM (7) Aug 18 54.0 (12.2) 54.0 (12.2) 30.18 (1022) mist
2 AM (6) Aug 18 55.0 (12.8) 54.0 (12.2) 30.18 (1022)
1 AM (5) Aug 18 55.9 (13.3) 54.0 (12.2) 30.19 (1022)
Midnight (4) Aug 18 57.9 (14.4) 54.0 (12.2) 30.18 (1022)
11 PM (3) Aug 17 60.1 (15.6) 55.0 (12.8) 30.17 (1021)
10 PM (2) Aug 17 64.9 (18.3) 54.0 (12.2) 30.17 (1021)
9 PM (1) Aug 17 68.0 (20.0) 54.0 (12.2) 30.18 (1022)
8 PM (0) Aug 17 70.0 (21.1) 53.1 (11.7) 30.18 (1022)
7 PM (23) Aug 17 71.1 (21.7) 55.9 (13.3) 30.18 (1022)
6 PM (22) Aug 17 73.0 (22.8) 55.0 (12.8) 30.18 (1022)
5 PM (21) Aug 17 73.0 (22.8) 55.0 (12.8) 30.18 (1022)
Oldest 4 PM (20) Aug 17 71.1 (21.7) 54.0 (12.2) 30.19 (1022)
Time
EDT (UTC)
Temperature
F(C)
Dew Point
F(C)
Pressure
Inches(hPa)
Wind
(MPH)
Weather

The information presented here is taken from products produced by the U.S. National Weather Service and other national and international agencies




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