Summit Lake, ID Weather Forecast & Current Conditions

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Summit Lake Weather Map
UTC Time: 9/16/2026, 02:47
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Summit Lake, ID Regional Weather

Expires:202609160300;;521324
ASUS45 KBOI 160210
RWRID 

IDAHO REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE BOISE ID
800 PM MDT TUE SEP 15 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12000 FEET
WITH NO SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY


IDZ006-010-011-018-031-032-160300-
CENTRAL IDAHO MOUNTAINS

  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MCCALL         PTCLDY    58  34  40 N3        30.01R                  
HAILEY         CLEAR     55  37  50 CALM      30.02S                  
STANLEY          N/A     58  22  24 CALM      30.04R                  
SALMON         PTCLDY    60  37  42 S3        29.93R                  
CHALLIS        PTCLDY    67  26  21 CALM      29.93S                  
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Summit Lake, ID

Tonight
Mostly Cloudy
37°
0%
Wednesday
Sunny
68°/ 42° 20°/
30%
Thursday
Thunderstorms
67°/ 43° 19°/
90%
Friday
Thunderstorms
59°/ 38° 15°/
80%
Saturday
Clear
63°17°
0%
Sunday
Clear
63°/ 40° 17°/
0%
Mon-Mon Night
Cloudy
67°19°
0%
Tuesday
Sunny
63°17°
0%

Night: Mostly cloudy. Patchy fog after midnight. Lows 37 to 49.

Powell, ID

Tonight
Mostly Cloudy
45°
0%
Wednesday
Sunny
65°/ 36° 18°/
0%
Thursday
Thunderstorms
66°/ 39° 19°/
90%
Friday
Thunderstorms
60°/ 36° 16°/
80%
Saturday
Sunny
63°/ 36° 17°/
0%
Sunday
Sunny
67°/ 37° 19°/
0%
Monday
Sunny
68°/ 38° 20°/
0%
Tuesday
Cloudy
61°16°
0%

Night: Mostly cloudy until early morning then becoming partly cloudy. Patchy fog late in the evening. Areas of fog after midnight. Lows in the 30s to mid 40s.

Riggins, ID

Tonight
Mostly Cloudy
45°
0%
Wednesday
Sunny
82°/ 48° 28°/
0%
Thursday
Thunderstorms
72°/ 50° 22°/ 10°
80%
Friday
Thunderstorms
68°/ 48° 20°/
70%
Saturday
Sunny
72°/ 48° 22°/
0%
Sunday
Sunny
75°/ 50° 24°/ 10°
0%
Monday
Sunny
88°/ 50° 31°/ 10°
0%
Tuesday
Cloudy
82°28°
0%

Night: Mostly cloudy. Lows in the mid 40s to lower 50s.

Upper Weiser River, ID

Tonight
Mostly Cloudy
48°
0%
Wednesday
Sunny
78°/ 53° 26°/ 12°
40%
Thursday
Thunderstorms
75°/ 50° 24°/ 10°
80%
Friday
Thunderstorms
70°/ 48° 21°/
50%
Saturday
Sunny
73°23°
0%
Sat Night
Clear
48°
0%
Tuesday
Clear
48°
0%
Monday
Clear
48°
0%
Mon Night-Tue
Cloudy
50°10°
0%

Night: Mostly cloudy. Lows 48 to 53. Breezy. North winds up to 10 mph this evening, increasing to 10 to 20 mph with gusts to 35 mph after midnight.

Baker County, OR

Tonight
Mostly Cloudy
41°
0%
Wednesday
Sunny
73°/ 43° 23°/
40%
Thursday
Thunderstorms
71°/ 44° 22°/
80%
Friday
Thunderstorms
69°/ 38° 21°/
40%
Saturday
Sunny
73°23°
0%
Sat Night
Clear
40°
0%
Tuesday
Clear
40°
0%
Monday
Clear
40°
0%
Mon Night-Tue
Cloudy
40°
0%

Night: Mostly cloudy. Lows 41 to 51. North winds 10 to 15 mph with gusts to 30 mph.

Kooskia, ID

Tonight
Mostly Cloudy
52°11°
0%
Wednesday
Sunny
68°/ 45° 20°/
0%
Thursday
Thunderstorms
82°/ 48° 28°/
80%
Friday
Thunderstorms
78°/ 45° 26°/
50%
Saturday
Sunny
82°/ 45° 28°/
0%
Sunday
Sunny
72°/ 48° 22°/
0%
Monday
Sunny
85°/ 45° 29°/
0%
Tuesday
Cloudy
78°26°
0%

Night: Mostly cloudy until early morning then clearing. Lows in the 40s to lower 50s.

Boise Mountains, ID

Tonight
Cloudy
35°
0%
Wednesday
Sunny
71°/ 42° 22°/
30%
Thursday
Thunderstorms
68°/ 40° 20°/
80%
Friday
Thunderstorms
60°/ 34° 16°/
70%
Saturday
Sunny
64°/ 35° 18°/
0%
Sun Night
Cloudy
37°
0%
Mon Night
Cloudy
37°
0%
Tuesday
Sunny
66°19°
0%

Night: Partly cloudy. Lows 35 to 50.

Kamiah, ID

Tonight
Mostly Cloudy
48°
0%
Wednesday
Sunny
68°/ 45° 20°/
0%
Thursday
Rain
72°/ 48° 22°/
70%
Friday
Rain
68°20°
30%
Fri Night
Clear
45°
0%
Tuesday
Clear
45°
0%
Wednesday
Clear
45°
0%
Mon Night
Clear
45°
0%
Tuesday
Sunny
68°20°
0%

Night: Mostly cloudy. Lows in the mid to upper 40s. Gusts up to 20 mph in the evening.

Frank Church Wilderness, ID

Tonight
Clear
36°
0%
Wednesday
Sunny
68°/ 42° 20°/
0%
Thursday
Thunderstorms
65°/ 38° 18°/
N/A
Friday
Thunderstorms
60°/ 35° 16°/
N/A
Saturday
Clear
65°/ 38° 18°/
0%
Tuesday
Clear
65°18°
0%
Monday
Clear
65°18°
0%
Tuesday
Sunny
65°18°
0%

Night: Mostly clear. Lows 36 to 46.

Stanley, ID

Tonight
Mostly Cloudy
32°
0%
Wednesday
Sunny
67°/ 37° 19°/
0%
Thursday
Thunderstorms
64°/ 36° 18°/
N/A
Friday
Thunderstorms
57°/ 32° 14°/
N/A
Saturday
Clear
63°17°
0%
Sunday
Clear
63°/ 34° 17°/
0%
Monday
Sunny
65°/ 35° 18°/
0%
Tuesday
Sunny
62°17°
0%

Night: Mostly cloudy in the evening then clearing. Lows 32 to 42.

Shoup, ID

Tonight
Mostly Cloudy
40°
0%
Wednesday
Sunny
70°/ 45° 21°/
0%
Thursday
Thunderstorms
70°/ 48° 21°/
80%
Friday
Thunderstorms
72°/ 45° 22°/
80%
Saturday
Rain
65°/ 52° 18°/ 11°
20%
Sunday
Sunny
68°/ 45° 20°/
0%
Monday
Sunny
70°/ 45° 21°/
0%
Tuesday
Sunny
68°20°
0%

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the 40s.

Lower Treasure Valley, ID

Tonight
Mostly Cloudy
46°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
40%
Thursday
Thunderstorms
78°/ 50° 26°/ 10°
40%
Friday
Rain Showers
73°/ 47° 23°/
30%
Saturday
Sunny
76°/ 48° 24°/
0%
Sun Night
Cloudy
49°
0%
Wednesday
Cloudy
49°
0%
Tuesday
Cloudy
49°
0%

Night: Mostly cloudy. Lows 46 to 51. Northwest winds 10 to 15 mph.

Anatone, WA

Tonight
Mostly Cloudy
48°
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
0%
Thursday
Rain
68°/ 55° 20°/ 13°
70%
Friday
Rain
68°20°
20%
Fri Night
Clear
55°13°
0%
Tuesday
Clear
55°13°
0%
Wednesday
Clear
55°13°
0%
Mon Night
Clear
55°13°
0%
Tuesday
Cloudy
68°20°
0%

Night: Mostly cloudy in the evening then clearing. Lows in the mid to upper 40s.

Lewiston Area, ID

Tonight
Mostly Cloudy
45°
0%
Wednesday
Sunny
72°/ 48° 22°/
0%
Thursday
Rain
72°/ 55° 22°/ 13°
70%
Friday
Rain
75°24°
20%
Fri Night
Clear
55°13°
0%
Tuesday
Clear
55°13°
0%
Wednesday
Clear
55°13°
0%
Mon Night
Clear
55°13°
0%
Tuesday
Cloudy
70°21°
0%

Night: Mostly cloudy. Lows in the mid 40s to lower 50s.

Pierce, ID

Tonight
Mostly Cloudy
35°
0%
Wednesday
Sunny
70°/ 35° 21°/
0%
Thursday
Rain
70°/ 38° 21°/
80%
Friday
Thunderstorms
68°/ 38° 20°/
40%
Saturday
Sunny
68°/ 38° 20°/
0%
Sunday
Sunny
82°/ 38° 28°/
0%
Monday
Sunny
75°/ 38° 24°/
0%
Tuesday
Cloudy
68°20°
0%

Night: Mostly cloudy until early morning then clearing. Patchy fog in the late evening and early morning. Areas of fog late in the night. Lows in the mid 30s to lower 40s.

Oregon Lower Treasure Valley, OR

Tonight
Mostly Cloudy
49°
0%
Wednesday
Sunny
81°/ 53° 27°/ 12°
40%
Thursday
Thunderstorms
78°/ 51° 26°/ 11°
60%
Friday
Rain Showers
74°/ 47° 23°/
20%
Saturday
Sunny
77°/ 47° 25°/
0%
Sun Night
Cloudy
47°
0%
Wednesday
Cloudy
47°
0%
Tuesday
Cloudy
47°
0%

Night: Mostly cloudy. Lows 49 to 54. Breezy. North winds up to 10 mph this evening, increasing to northwest 10 to 20 mph with gusts to 30 mph after midnight.

Challis/Pahsimeroi Valleys, ID

Tonight
Clear
39°
0%
Wednesday
Sunny
71°/ 45° 22°/
0%
Thursday
Thunderstorms
68°/ 42° 20°/
N/A
Friday
Thunderstorms
63°/ 39° 17°/
N/A
Saturday
Clear
67°/ 42° 19°/
0%
Tuesday
Clear
67°19°
0%
Monday
Clear
67°19°
0%
Tuesday
Sunny
67°19°
0%

Night: Mostly clear. Lows 39 to 47. South winds around 10 mph in the evening...becoming light and variable.

Salmon, ID

Tonight
Mostly Cloudy
38°
0%
Wednesday
Sunny
70°/ 52° 21°/ 11°
30%
Thursday
Thunderstorms
70°/ 52° 21°/ 11°
90%
Friday
Thunderstorms
72°/ 38° 22°/
90%
Saturday
Rain
65°/ 38° 18°/
20%
Sunday
Sunny
68°/ 40° 20°/
0%
Monday
Sunny
70°/ 40° 21°/
0%
Tuesday
Sunny
68°20°
0%

Night: Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows in the upper 30s to mid 40s. Northeast winds to 15 mph in the evening.

Lower Garfield and Asotin Counties, WA

Tonight
Mostly Cloudy
45°
0%
Wednesday
Sunny
72°/ 48° 22°/
0%
Thursday
Rain
72°/ 55° 22°/ 13°
70%
Friday
Rain
75°24°
20%
Fri Night
Clear
55°13°
0%
Tuesday
Clear
55°13°
0%
Wednesday
Clear
55°13°
0%
Mon Night
Clear
55°13°
0%
Tuesday
Cloudy
70°21°
0%

Night: Mostly cloudy. Lows in the mid 40s to lower 50s.

Hamilton, MT

Tonight
Mostly Cloudy
45°
0%
Wednesday
Sunny
75°/ 45° 24°/
0%
Thursday
Thunderstorms
80°/ 48° 27°/
90%
Friday
Thunderstorms
72°/ 40° 22°/
90%
Saturday
Rain
75°/ 40° 24°/
20%
Sunday
Sunny
78°/ 40° 26°/
0%
Monday
Sunny
78°/ 40° 26°/
0%
Tuesday
Sunny
75°24°
0%

Night: Mostly cloudy until early morning then becoming partly cloudy. Patchy fog late in the night. Lows in the lower to mid 40s.

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