May, ID Weather Forecast & Current Conditions

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May, ID Weather Maps

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May Weather Map
UTC Time: 10/28/2026, 09:50
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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May, ID Regional Weather

Expires:202610281000;;848326
ASUS45 KBOI 280910
RWRID 

IDAHO REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE BOISE ID
300 AM MDT WED OCT 28 2026

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


IDZ006-010-011-018-031-032-281000-
CENTRAL IDAHO MOUNTAINS

  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MCCALL         CLOUDY    37  32  82 VRB5      29.99S WCI  33          
HAILEY         CLEAR     30  28  93 NW6       30.04S WCI  24          
STANLEY          N/A     25  23  92 SE7       30.02S WCI  17          
SALMON         CLOUDY    33  30  88 CALM      30.00R                  
CHALLIS        MOCLDY    33  27  78 CALM      30.00R                  
$$


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

May, ID

Today
Cloudy
38°/ 20° 3°/ -7°
0%
Thursday
Cloudy
40°/ 25° 4°/ -4°
0%
Friday
Snow
40°/ 28° 4°/ -2°
40%
Saturday
Snow
40°/ 28° 4°/ -2°
70%
Sunday
Snow
38°/ 32° 3°/ 0°
70%
Monday
Cloudy
38°/ 32° 3°/ 0°
0%
Tuesday
Cloudy
45°7°
0%

Day: Partly cloudy. Highs in the upper 30s to mid 40s. Southwest winds to 15 mph in the afternoon.

Night: Partly cloudy. Lows in the 20s.

Shoup, ID

Today
Cloudy
38°/ 25° 3°/ -4°
0%
Thursday
Cloudy
52°/ 28° 11°/ -2°
0%
Friday
Snow
40°/ 30° 4°/ -1°
40%
Saturday
Snow
40°/ 30° 4°/ -1°
80%
Sunday
Snow
38°/ 25° 3°/ -4°
70%
Monday
Cloudy
40°/ 28° 4°/ -2°
0%
Tuesday
Mostly Cloudy
45°7°
0%

Day: Partly cloudy. Highs in the upper 30s to mid 40s. Southwest winds 15 to 20 mph.

Night: Partly cloudy. Lows in the mid 20s to lower 30s.

Bannack, MT

Today
Sunny
39°/ 25° 4°/ -4°
0%
Thursday
Sunny
45°/ 28° 7°/ -2°
0%
Friday
Snow
48°/ 30° 9°/ -1°
20%
Saturday
Snow
45°/ 32° 7°/ 0°
70%
Sunday
Snow
38°/ 25° 3°/ -4°
70%
Monday
Snow
38°/ 25° 3°/ -4°
20%

Day: Sunny. Highs 39 to 45. South winds 5 to 15 mph with gusts to around 35 mph.

Night: Mostly clear. Lows in the mid 20s. South winds 5 to 15 mph. Gusts up to 30 mph in the evening.

Dewey, MT

Today
Sunny
31°/ 22° -1°/ -6°
0%
Thursday
Sunny
35°/ 21° 2°/ -6°
0%
Friday
Snow
37°/ 23° 3°/ -5°
40%
Saturday
Snow
35°/ 24° 2°/ -4°
70%
Sunday
Snow
31°/ 18° -1°/ -8°
70%
Mon-Mon Night
Cloudy
35°2°
0%
Tuesday
Sunny
38°3°
0%

Day: Mostly sunny. Highs 31 to 37. Southwest winds 5 to 15 mph with gusts to around 35 mph.

Night: Mostly clear. Lows in the lower 20s. Southwest winds up to 10 mph.

West Central Mountains, ID

Today
Snow Showers
35°/ 21° 2°/ -6°
30%
Thursday
Sunny
42°/ 26° 6°/ -3°
0%
Friday
Snow Showers
41°/ 24° 5°/ -4°
60%
Saturday
Snow Showers
40°/ 26° 4°/ -3°
80%
Sunday
Snow Showers
37°/ 20° 3°/ -7°
60%
Mon-Mon Night
Cloudy
41°5°
0%
Tuesday
Partly Cloudy
44°7°
0%

Day: Areas of fog this morning. Mostly cloudy with a chance of snow showers this morning, then partly sunny this afternoon. Chance of snow 30 percent. Highs 35 to 47.

Night: Partly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows 21 to 32.

Monida Pass, MT

Today
Sunny
30°/ 25° -1°/ -4°
0%
Thursday
Sunny
36°/ 28° 2°/ -2°
0%
Friday
Snow
38°/ 28° 3°/ -2°
50%
Sat Night
Snow
30°-1°
90%
Sunday
Snow
32°/ 22° 0°/ -6°
80%
Monday
Snow
30°/ 22° -1°/ -6°
20%
Tuesday
Sunny
35°2°
0%

Day: Sunny. Highs 30 to 36. South winds 10 to 20 mph with gusts to around 35 mph.

Night: Mostly clear. Lows in the mid 20s. South winds 5 to 15 mph. Gusts up to 35 mph in the evening.

Boise Mountains, ID

Today
Sunny
39°/ 18° 4°/ -8°
0%
Thursday
Sunny
45°/ 26° 7°/ -3°
0%
Friday
Snow Showers
43°/ 24° 6°/ -4°
60%
Saturday
Snow Showers
43°/ 25° 6°/ -4°
80%
Sunday
Snow Showers
39°/ 19° 4°/ -7°
60%
Monday
Sunny
42°/ 22° 6°/ -6°
0%
Tuesday
Partly Cloudy
45°7°
0%

Day: Areas of fog this morning. Mostly sunny. Highs 39 to 54.

Night: Mostly clear. Areas of fog after midnight. Lows 18 to 33.

Sula, MT

Today
Snow
30°/ 20° -1°/ -7°
70%
Thursday
Cloudy
38°/ 25° 3°/ -4°
0%
Friday
Snow
38°/ 25° 3°/ -4°
40%
Saturday
Snow
38°/ 28° 3°/ -2°
70%
Sunday
Snow
35°/ 20° 2°/ -7°
70%
Monday
Snow
35°/ 32° 2°/ 0°
20%
Tuesday
Cloudy
40°4°
0%

Day: Areas of snow in the morning, then snow likely in the afternoon. Chance of snow 70 percent. Little or no new snow accumulation. Highs in the 30s. Southwest winds to 15 mph.

Night: Snow likely in the evening. Chance of snow 70 percent. Little or no new snow accumulation. Lows in the 20s.

Hamilton, MT

Today
Snow
45°/ 20° 7°/ -7°
50%
Thursday
Cloudy
48°/ 20° 9°/ -7°
0%
Friday
Mostly Cloudy
45°/ 25° 7°/ -4°
30%
Saturday
Rain
50°/ 30° 10°/ -1°
70%
Sunday
Rain
45°/ 28° 7°/ -2°
70%
Monday
Snow
48°/ 28° 9°/ -2°
20%
Tuesday
Cloudy
50°10°
0%

Day: Mostly cloudy. Areas of rain and snow in the morning, then areas of rain in the afternoon. Patchy fog in the morning. Chance of precipitation 50 percent. Highs in the lower to mid 40s. Southwest winds to 15 mph in the afternoon.

Night: Mostly cloudy with a 50 percent chance of rain in the evening, then partly cloudy after midnight. Patchy fog in the evening. Areas of fog after midnight. Lows in the 20s.

Anaconda, MT

Today
Snow
38°/ 18° 3°/ -8°
20%
Thursday
Cloudy
38°/ 20° 3°/ -7°
0%
Friday
Mostly Cloudy
40°/ 32° 4°/ 0°
20%
Saturday
Snow
40°/ 25° 4°/ -4°
70%
Sunday
Snow
35°/ 19° 2°/ -7°
70%
Monday
Snow
38°/ 20° 3°/ -7°
20%
Tuesday
Cloudy
52°11°
0%

Day: Partly cloudy. Patchy fog early in the morning. A 20 percent chance of snow late in the morning. Highs in the upper 30s to mid 40s. Southwest winds 15 to 20 mph. Gusts up to 30 mph in the afternoon.

Night: Partly cloudy. Areas of fog after midnight. Lows 18 to 25.

Camas Prairie, ID

Today
Sunny
44°/ 19° 7°/ -7°
0%
Thursday
Sunny
49°/ 29° 9°/ -2°
0%
Friday
Rain Showers
47°/ 25° 8°/ -4°
60%
Saturday
Rain Showers
46°/ 28° 8°/ -2°
80%
Sunday
Rain Showers
45°/ 21° 7°/ -6°
50%
Monday
Sunny
45°/ 22° 7°/ -6°
0%
Tuesday
Partly Cloudy
48°9°
0%

Day: Widespread frost with areas of fog this morning. Sunny. Highs 44 to 49. Southwest winds up to 10 mph.

Night: Mostly clear. Widespread frost. Lows 19 to 25. Light winds.

Big Sky, MT

Today
Sunny
28°/ 22° -2°/ -6°
0%
Thursday
Sunny
34°/ 25° 1°/ -4°
0%
Friday
Snow
38°/ 30° 3°/ -1°
50%
Sat-Sat Night
Snow
35°2°
70%
Sunday
Snow
33°/ 22° 1°/ -6°
90%
Monday
Snow
31°/ 18° -1°/ -8°
20%

Day: Mostly sunny. Highs 28 to 38. South winds 10 to 20 mph with gusts to around 35 mph.

Night: Partly cloudy. Lows in the lower 20s. South winds 5 to 15 mph with gusts to around 35 mph.

Cameron, MT

Today
Sunny
38°/ 28° 3°/ -2°
0%
Thursday
Sunny
45°/ 28° 7°/ -2°
0%
Friday
Snow
48°/ 32° 9°/ 0°
50%
Saturday
Snow
48°/ 32° 9°/ 0°
70%
Sunday
Snow
42°/ 25° 6°/ -4°
80%
Monday
Snow
40°/ 25° 4°/ -4°
20%

Day: Windy, sunny. Highs 38 to 46. South winds 10 to 20 mph increasing to 15 to 30 mph in the afternoon.

Night: Breezy. Mostly clear. Lows in the upper 20s. South winds 10 to 25 mph decreasing to 5 to 15 mph after midnight.

Western Magic Valley, ID

Today
Sunny
51°/ 26° 11°/ -3°
0%
Thursday
Partly Cloudy
55°/ 37° 13°/ 3°
0%
Friday
Rain Showers
54°/ 34° 12°/ 1°
30%
Saturday
Rain Showers
52°/ 36° 11°/ 2°
70%
Sunday
Rain Showers
45°/ 29° 7°/ -2°
60%
Monday
Sunny
46°/ 28° 8°/ -2°
0%
Tuesday
Sunny
50°10°
0%

Day: Widespread frost with areas of fog this morning. Sunny. Highs 51 to 56. South winds up to 10 mph this morning, becoming light this afternoon.

Night: Mostly clear. Areas of frost in the evening. Widespread frost with patchy fog after midnight. Lows 26 to 32. East winds up to 10 mph.

Harrison, MT

Today
Sunny
48°/ 28° 9°/ -2°
0%
Thursday
Sunny
45°/ 25° 7°/ -4°
0%
Friday
Partly Cloudy
45°/ 30° 7°/ -1°
0%
Saturday
Snow
48°/ 32° 9°/ 0°
70%
Sun Night
Snow
25°-4°
50%
Monday
Snow
42°/ 25° 6°/ -4°
20%

Day: Sunny. Patchy fog early in the morning. Highs in the upper 40s. Southwest winds 5 to 15 mph with gusts to around 35 mph.

Night: Partly cloudy. Lows in the upper 20s. Southwest winds up to 10 mph. Gusts up to 30 mph decreasing to 20 mph after midnight.

Upper Weiser River, ID

Today
Sunny
49°/ 27° 9°/ -3°
0%
Thursday
Sunny
50°/ 33° 10°/ 1°
0%
Friday
Snow Showers
52°/ 31° 11°/ -1°
30%
Saturday
Rain Showers
50°/ 34° 10°/ 1°
60%
Sunday
Rain Showers
49°/ 27° 9°/ -3°
50%
Monday
Sunny
50°/ 30° 10°/ -1°
0%
Tuesday
Partly Cloudy
51°11°
0%

Day: Areas of fog and frost this morning. Mostly sunny. Highs 49 to 54. South winds 10 to 15 mph with gusts to 25 mph.

Night: Partly cloudy. Widespread frost after midnight. Lows 27 to 33. Light winds.

Lower Treasure Valley, ID

Today
Sunny
54°/ 28° 12°/ -2°
0%
Thursday
Sunny
54°/ 33° 12°/ 1°
0%
Friday
Partly Cloudy
57°/ 32° 14°/ 0°
0%
Saturday
Rain Showers
54°/ 36° 12°/ 2°
60%
Sunday
Rain Showers
52°11°
40%
Sun Night-Mon
Clear
29°-2°
0%
Mon Night
Cloudy
30°-1°
0%
Tuesday
Partly Cloudy
54°12°
0%

Day: Widespread frost with areas of fog this morning. Sunny. Highs 54 to 59. Light winds.

Night: Mostly clear. Patchy fog in the evening. Widespread frost with areas of fog after midnight. Lows 28 to 33. Light winds.

Upper Treasure Valley, ID

Today
Sunny
53°/ 27° 12°/ -3°
0%
Thursday
Partly Cloudy
57°/ 35° 14°/ 2°
0%
Friday
Rain Showers
58°/ 33° 14°/ 1°
20%
Saturday
Rain Showers
55°/ 37° 13°/ 3°
70%
Sunday
Rain Showers
50°/ 29° 10°/ -2°
40%
Monday
Sunny
52°/ 29° 11°/ -2°
0%

Day: Widespread frost with areas of fog this morning. Sunny. Highs 53 to 58. Southeast winds up to 10 mph.

Night: Mostly clear. Patchy fog in the evening. Widespread frost with areas of fog after midnight. Lows 27 to 32. East winds up to 10 mph.

Riggins, ID

Today
Cloudy
55°/ 30° 13°/ -1°
0%
Thursday
Cloudy
48°/ 35° 9°/ 2°
0%
Friday
Rain
48°/ 30° 9°/ -1°
20%
Saturday
Rain
58°/ 35° 14°/ 2°
70%
Sunday
Snow
52°/ 30° 11°/ -1°
80%
Monday
Cloudy
58°/ 30° 14°/ -1°
0%
Tuesday
Mostly Cloudy
62°17°
0%

Day: Partly cloudy. Highs in the 40s to mid 50s. Southwest winds 15 to 25 mph.

Night: Mostly cloudy in the evening then clearing. Lows in the 30s.

Kooskia, ID

Today
Rain
52°/ 28° 11°/ -2°
50%
Thursday
Cloudy
42°/ 30° 6°/ -1°
0%
Friday
Mostly Cloudy
48°/ 28° 9°/ -2°
20%
Saturday
Rain
55°/ 42° 13°/ 6°
60%
Sunday
Rain
40°/ 28° 4°/ -2°
70%
Monday
Cloudy
55°/ 28° 13°/ -2°
0%
Tuesday
Mostly Cloudy
58°14°
0%

Day: Partly cloudy with a 50 percent chance of areas of rain. Highs in the 40s to lower 50s. Southwest winds to 15 mph with gusts to around 25 mph mainly south of Highway 12.

Night: Mostly cloudy in the evening then becoming partly cloudy. A 50 percent chance of rain. Areas of fog after midnight. Lows in the upper 20s to mid 30s.

Names listed above may include county names.

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