and then 
to Add to home screen MAY 19TH, 1955-Lake Maloya NM received 11.28 inches of rain in 24 hours to establish a state record.
Rise 5:21AM
Set 8:17PM
Reporting Station : Rapid City Regional Airport, SD
There is
1 Weather Alert
for your area.
1 Weather Alert
for your area.
20°C
Sunny. Mild.
- 55%
- 30 km/hN
-
55%
Humidity -
11°C
Dew Point -
20°C
Comfort Level -
16 km
Visibility -
1004.74 mb
Barometric Pressure - Air Quality
Waxing gibbous
Rise4:35PM
Set3:28AM
No Airport Delays Found
Previously
| MAY 19TH, 1955 |
Lake Maloya NM received 11.28 inches of rain in 24 hours to establish a state record. |
| MAY 19TH, 1780 |
The infamous "dark day" in New England tradition. At noon it was nearly as dark as night. Chickens went to roost, and many persons were fearful of divine wrath. The phenomena was caused by forest fires to the west of New England. |
| MAY 18TH, 1980 |
Mount Saint Helens (in Washington State) erupted spewing ash and smoke sixty-three thousand feet into the air. Heavy ash covered the ground to the immediate northwest, and small particles were carried to the Atlantic coast. |
| MAY 18TH, 1825 |
A tornado (said to have crossed all of the state of Ohio) smashed into the log cabin settlement of Burlington, northeast of Columbus. |
| MAY 17TH, 1883 |
A three day flood in the Black Hills of western South Dakota resulted in a million dollars damage at Rapid City. |
| MAY 17TH, 1979 |
A reading of 12 degrees at Mauna Kea Observatory established an all-time record low for the state of Hawaii. |
| MAY 16TH, 1952 |
High winds in the Wasatch Canyon of Utah struck Ogden and Brigham City. Winds at Hill Air Force Base gusted to 92 mph. |
| MAY 16TH, 1874 |
The Mill Creek disaster occurred west of Northhampton MA. Dam slippage resulted in a flash flood which claimed 143 lives, and caused a million dollars property damage. |
| MAY 15TH, 1834 |
The Northern Atlantic Coast States were in the midst of their greatest May snowstorm of record. The hills around Newbury VT were covered with two to three feet of snow. |
| MAY 15TH, 1972 |
The worst ice jam flooding of memory for long-time residents took place along the Kuskokwim River and Yukon River in Alaska. It was the first time since 1890 that the two rivers "flowed as one". The towns of Oscarville and Napaskiak were completely inundated. |
| MAY 14TH, 1896 |
The mercury plunged to 10 degrees below zero at Climax CO. It was the lowest reading of record for the U.S. during the month of May. |
Wind Advisory
| Issued By | NWS Field Office | Broadcast Time | Mon, 29 Dec 2014 03:43:00 PST |
| Issuing Time | Mon, 29 Dec 2014 03:43:00 PST | Valid Until | Mon, 29 Dec 2014 03:43:00 PST |
Strong northerly winds are forecast to develop across the San Francisco Bay Area by midday Tuesday and continue through midday Wednesday. A strong..cold and dry storm system will sweep into northern and central California late Monday night and Tuesday morning. This system will generate strong and gusty north to northest winds across the region from midday Tuesday through midday Wednesday.
Rise 5:21AM
Set 8:17PM
Waxing gibbous
Rise4:35PM
Set3:28AM
No Airport Delays Found
| History | |||
| Weather Station: Rapid City Regional Airport , SD , US | |||
| May Data | Choose another month |
| Averages | |
|
Average High Temperature
0.60 °C
|
Average Low Temperature
-12.20 °C
|
|
Average Mean Temp
-5.60 °C
|
Average Dew Point
-11.70 °C
|
|
Average Windspeed
29.60 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
68.0
|
Average Afternoon Relative Humidity
63.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
1.02
|
|
Average Snowfall (US Only)
12.70
|
|
| Daily Counts | |
|
Days With Precipitation
6
|
Days With Thunderstorms
0
|
|
Days With Fog
3
|
Days With Snow
6
|
Days With Lows Below Freezing
30
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
24.40 °C
|
Record Low
-32.80 °C
|
|
Record Wind Speed
109.30 km/h
|
Record Monthly Snowfall
60.9 cm
|
Record 24-hour Snowfall
22.80 cm
|
Record Monthly Rainfall
43 mm
|
Record 24-hour Rainfall
15 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
3.30 °C
|
Average Low Temperature
-9.40 °C
|
|
Average Mean Temp
-2.80 °C
|
Average Dew Point
-9.40 °C
|
|
Average Windspeed
29.60 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
72.0
|
Average Afternoon Relative Humidity
61.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
1.27
|
|
Average Snowfall (US Only)
17.80
|
|
| Daily Counts | |
|
Days With Precipitation
7
|
Days With Thunderstorms
0
|
|
Days With Fog
4
|
Days With Snow
7
|
Days With Lows Below Freezing
27
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
23.90 °C
|
Record Low
-31.10 °C
|
|
Record Wind Speed
111.10 km/h
|
Record Monthly Snowfall
60.9 cm
|
Record 24-hour Snowfall
22.80 cm
|
Record Monthly Rainfall
63 mm
|
Record 24-hour Rainfall
23 mm
|
Record Minimum Monthly Precipitation
0.25 mm
|
| Averages | |
|
Average High Temperature
7.20 °C
|
Average Low Temperature
-6.10 °C
|
|
Average Mean Temp
0.60 °C
|
Average Dew Point
-6.10 °C
|
|
Average Windspeed
33.30 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
74.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
2.54
|
|
Average Snowfall (US Only)
22.80
|
|
| Daily Counts | |
|
Days With Precipitation
9
|
Days With Thunderstorms
*
|
|
Days With Fog
5
|
Days With Snow
7
|
Days With Lows Below Freezing
27
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
27.20 °C
|
Record Low
-27.20 °C
|
|
Record Wind Speed
116.70 km/h
|
Record Monthly Snowfall
78.7 cm
|
Record 24-hour Snowfall
38.10 cm
|
Record Monthly Rainfall
69 mm
|
Record 24-hour Rainfall
36 mm
|
Record Minimum Monthly Precipitation
0.25 mm
|
| Averages | |
|
Average High Temperature
14.40 °C
|
Average Low Temperature
0.00 °C
|
|
Average Mean Temp
7.20 °C
|
Average Dew Point
-2.20 °C
|
|
Average Windspeed
31.50 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
72.0
|
Average Afternoon Relative Humidity
45.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
4.57
|
|
Average Snowfall (US Only)
17.80
|
|
| Daily Counts | |
|
Days With Precipitation
9
|
Days With Thunderstorms
1
|
|
Days With Fog
5
|
Days With Snow
4
|
Days With Lows Below Freezing
15
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
33.90 °C
|
Record Low
-17.20 °C
|
|
Record Wind Speed
111.10 km/h
|
Record Monthly Snowfall
78.7 cm
|
Record 24-hour Snowfall
40.60 cm
|
Record Monthly Rainfall
132 mm
|
Record 24-hour Rainfall
53 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
20.00 °C
|
Average Low Temperature
6.10 °C
|
|
Average Mean Temp
13.30 °C
|
Average Dew Point
4.40 °C
|
|
Average Windspeed
27.80 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
75.0
|
Average Afternoon Relative Humidity
47.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
6.85
|
|
Average Snowfall (US Only)
2.50
|
|
| Daily Counts | |
|
Days With Precipitation
12
|
Days With Thunderstorms
6
|
|
Days With Fog
4
|
Days With Snow
1
|
Days With Lows Below Freezing
2
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
36.70 °C
|
Record Low
-7.80 °C
|
|
Record Wind Speed
133.30 km/h
|
Record Monthly Snowfall
30.5 cm
|
Record 24-hour Snowfall
17.80 cm
|
Record Monthly Rainfall
178 mm
|
Record 24-hour Rainfall
81 mm
|
Record Minimum Monthly Precipitation
0.76 mm
|
| Averages | |
|
Average High Temperature
25.60 °C
|
Average Low Temperature
11.10 °C
|
|
Average Mean Temp
18.30 °C
|
Average Dew Point
10.00 °C
|
|
Average Windspeed
24.10 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
76.0
|
Average Afternoon Relative Humidity
48.0
|
|
Typical Sky Cover
SCT
|
Average Precipitation (US Only)
7.61
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
12
|
Days With Thunderstorms
10
|
|
Days With Fog
3
|
Days With Snow
*
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
4
|
| Records | |
|
Record High
41.10 °C
|
Record Low
-0.60 °C
|
|
Record Wind Speed
109.30 km/h
|
Record Monthly Snowfall
10.2 cm
|
Record 24-hour Snowfall
10.20 cm
|
Record Monthly Rainfall
178 mm
|
Record 24-hour Rainfall
96 mm
|
Record Minimum Monthly Precipitation
1.52 mm
|
| Averages | |
|
Average High Temperature
30.60 °C
|
Average Low Temperature
15.00 °C
|
|
Average Mean Temp
22.80 °C
|
Average Dew Point
11.70 °C
|
|
Average Windspeed
22.20 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
73.0
|
Average Afternoon Relative Humidity
40.0
|
|
Typical Sky Cover
SCT
|
Average Precipitation (US Only)
4.82
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
9
|
Days With Thunderstorms
11
|
|
Days With Fog
2
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
12
|
| Records | |
|
Record High
43.30 °C
|
Record Low
3.90 °C
|
|
Record Wind Speed
116.70 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
155 mm
|
Record 24-hour Rainfall
48 mm
|
Record Minimum Monthly Precipitation
1.02 mm
|
| Averages | |
|
Average High Temperature
30.00 °C
|
Average Low Temperature
13.90 °C
|
|
Average Mean Temp
22.20 °C
|
Average Dew Point
10.00 °C
|
|
Average Windspeed
22.20 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
71.0
|
Average Afternoon Relative Humidity
36.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
4.06
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
8
|
Days With Thunderstorms
9
|
|
Days With Fog
2
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
12
|
| Records | |
|
Record High
41.10 °C
|
Record Low
3.30 °C
|
|
Record Wind Speed
111.10 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
122 mm
|
Record 24-hour Rainfall
66 mm
|
Record Minimum Monthly Precipitation
0.76 mm
|
| Averages | |
|
Average High Temperature
23.90 °C
|
Average Low Temperature
7.80 °C
|
|
Average Mean Temp
16.10 °C
|
Average Dew Point
4.40 °C
|
|
Average Windspeed
25.90 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
68.0
|
Average Afternoon Relative Humidity
38.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
3.05
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
7
|
Days With Thunderstorms
3
|
|
Days With Fog
2
|
Days With Snow
*
|
Days With Lows Below Freezing
2
|
Days above 90° F (32.2° C)
4
|
| Records | |
|
Record High
40.00 °C
|
Record Low
-7.80 °C
|
|
Record Wind Speed
120.40 km/h
|
Record Monthly Snowfall
5.1 cm
|
Record 24-hour Snowfall
5.10 cm
|
Record Monthly Rainfall
79 mm
|
Record 24-hour Rainfall
53 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
17.20 °C
|
Average Low Temperature
2.20 °C
|
|
Average Mean Temp
10.00 °C
|
Average Dew Point
-1.10 °C
|
|
Average Windspeed
27.80 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
65.0
|
Average Afternoon Relative Humidity
45.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
2.28
|
|
Average Snowfall (US Only)
5.10
|
|
| Daily Counts | |
|
Days With Precipitation
5
|
Days With Thunderstorms
*
|
|
Days With Fog
2
|
Days With Snow
1
|
Days With Lows Below Freezing
11
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
34.40 °C
|
Record Low
-12.20 °C
|
|
Record Wind Speed
107.40 km/h
|
Record Monthly Snowfall
25.4 cm
|
Record 24-hour Snowfall
17.80 cm
|
Record Monthly Rainfall
96 mm
|
Record 24-hour Rainfall
63 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
8.30 °C
|
Average Low Temperature
-5.00 °C
|
|
Average Mean Temp
1.70 °C
|
Average Dew Point
-6.10 °C
|
|
Average Windspeed
27.80 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
69.0
|
Average Afternoon Relative Humidity
59.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
1.52
|
|
Average Snowfall (US Only)
12.70
|
|
| Daily Counts | |
|
Days With Precipitation
6
|
Days With Thunderstorms
*
|
|
Days With Fog
4
|
Days With Snow
4
|
Days With Lows Below Freezing
25
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
25.60 °C
|
Record Low
-28.30 °C
|
|
Record Wind Speed
120.40 km/h
|
Record Monthly Snowfall
86.3 cm
|
Record 24-hour Snowfall
22.80 cm
|
Record Monthly Rainfall
56 mm
|
Record 24-hour Rainfall
18 mm
|
Record Minimum Monthly Precipitation
0.25 mm
|
| Averages | |
|
Average High Temperature
2.80 °C
|
Average Low Temperature
-10.00 °C
|
|
Average Mean Temp
-3.30 °C
|
Average Dew Point
-10.00 °C
|
|
Average Windspeed
29.60 km/h
|
Average Wind Direction
338.0
|
|
Average Morning Relative Humidity
69.0
|
Average Afternoon Relative Humidity
64.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
1.02
|
|
Average Snowfall (US Only)
12.70
|
|
| Daily Counts | |
|
Days With Precipitation
6
|
Days With Thunderstorms
*
|
|
Days With Fog
4
|
Days With Snow
6
|
Days With Lows Below Freezing
30
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
23.90 °C
|
Record Low
-34.40 °C
|
|
Record Wind Speed
101.90 km/h
|
Record Monthly Snowfall
45.7 cm
|
Record 24-hour Snowfall
25.40 cm
|
Record Monthly Rainfall
41 mm
|
Record 24-hour Rainfall
25 mm
|
Record Minimum Monthly Precipitation
* mm
|
Rise 5:21AM
Set 8:17PM
Waxing gibbous
Rise4:35PM
Set3:28AM
No Airport Delays Found
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Sunday |  |
Fire danger high | 22% | 25% |
| Monday |  |
Fire danger very low | 22% | 25% |
| Tuesday | |
Fire danger very low | 22% | 25% |
| Wednesday |  |
Fire danger moderate | 22% | 25% |
| Thursday | |
Fire danger very low | 22% | 25% |
| Friday | |
Fire danger very low | 22% | 25% |
Rise 5:21AM
Set 8:17PM
Waxing gibbous
Rise4:35PM
Set3:28AM
No Airport Delays Found
Rise 5:21AM
Set 8:17PM
Waxing gibbous
Rise4:35PM
Set3:28AM
No Airport Delays Found
Snow conditions provided by SnoCountry Mountain Reports™