MAY 25TH, 1955-Two tornadoes struck the town of Blackwell OK within a few minutes time during the late evening. The tornadoes killed 18 persons and injured more than 500 others. Early the next morning a tornado virtually obliterated the small community of Udall KS killing 80 persons and injuring 270 persons. More than half the persons in the community were killed or injured by the tornado.
Previously
MAY 25TH, 1955
Two tornadoes struck the town of Blackwell OK within a few minutes time during the late evening. The tornadoes killed 18 persons and injured more than 500 others. Early the next morning a tornado virtually obliterated the small community of Udall KS killing 80 persons and injuring 270 persons. More than half the persons in the community were killed or injured by the tornado.
MAY 25TH, 1987
Thunderstorms spawned fifteen tornadoes in West Texas. One thunderstorm spawned a powerful tornado near Gruver TX, along with golf ball size hail and 75 mph winds. A man on a boat on Lake Bistineau in northwest Louisiana was struck and killed by lightning, while the other three persons in the boat were unharmed. The man reportedly stood up in the boat and asked to be struck by lightning.
MAY 24TH, 1940
Hail fell near Ada OK to a depth of six to eight inches, and rainfall runoff left drifts of hail up to five feet high.
MAY 24TH, 1894
Six inches of snow blanketed Kentucky. Just four days earlier as much as ten inches of snow had fallen across Kentucky, Tennessee and Virginia. Six days earlier a violent storm had wrecked nine ships on Lake Michigan.
MAY 23RD, 1882
Eastern Iowa receives 6 in (15 cm) of snow during late season snowstorm.
MAY 23RD, 1989
Severe thunderstorms developing along a cold front resulted in 98 reports of large hail and damaging winds in the Northern Plains and Upper Mississippi Valley. Golf ball size hail caused a million dollars damage around Buffalo City WI, baseball size hail was reported at Northfield MN and Randolph MN, and thunderstorm winds gusted to 95 mph at Dunkerton IA.
MAY 22ND, 1987
A powerful tornado virtually wiped the small southwest Texas community of Saragosa off the map. The twister destroyed eighty- five percent of the structures in the town killing thirty persons and injuring 121 others in the town of population 183. The tornado hurled trucks and autos through adobe and wood- frame homes, with some vehicles blown 500 feet.
MAY 22ND, 1832
Kennebec River discharges 140,000 cu. ft. per second during a flood at Waterville, ME.
MAY 21ST, 1860
A swarm of tornadoes occurred in the Ohio Valley. Tornadoes struck the cities of Louisville KY, Cincinnati OH, Chillicothe OH and Marietta OH causing a million dollars damage.
MAY 21ST, 1896
The mercury soared to 124 degrees at Salton CA to establish a U.S. record for May.
MAY 20TH, 1916
On the same day on this year and again in 1917 and 1918, tornadoes strike Codell, KS.
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 5:46AM
Set 8:57PM
Waning gibbous
Rise11:53PM
Set6:53AM
No Airport Delays Found
History
Weather Station: Helena Regional Airport , MT , US
May Data
Choose another month
Averages
Average High Temperature
28.94 °F
Average Low Temperature
8.96 °F
Average Mean Temp
19.04 °F
Average Dew Point
8.96 °F
Average Windspeed
10.35 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
71.0
Average Afternoon Relative Humidity
63.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
0.60
Average Snowfall (US Only)
8.98
Daily Counts
Days With Precipitation
8
Days With Thunderstorms
*
Days With Fog
3
Days With Snow
8
Days With Lows Below Freezing
29
Days above 90° F (32.2° C)
0
Records
Record High
62.06 °F
Record Low
-41.98 °F
Record Wind Speed
67.77 mph
Record Monthly Snowfall
91.4 "
Record 24-hour Snowfall
8.98 "
Record Monthly Rainfall
2.80 "
Record 24-hour Rainfall
0.59 "
Record Minimum Monthly Precipitation
* "
Averages
Average High Temperature
35.96 °F
Average Low Temperature
15.08 °F
Average Mean Temp
26.06 °F
Average Dew Point
15.08 °F
Average Windspeed
11.47 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
72.0
Average Afternoon Relative Humidity
56.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
0.40
Average Snowfall (US Only)
5.99
Daily Counts
Days With Precipitation
7
Days With Thunderstorms
*
Days With Fog
2
Days With Snow
6
Days With Lows Below Freezing
26
Days above 90° F (32.2° C)
0
Records
Record High
68.00 °F
Record Low
-32.98 °F
Record Wind Speed
63.18 mph
Record Monthly Snowfall
50.8 "
Record 24-hour Snowfall
8.00 "
Record Monthly Rainfall
1.18 "
Record 24-hour Rainfall
0.51 "
Record Minimum Monthly Precipitation
* "
Averages
Average High Temperature
42.98 °F
Average Low Temperature
21.02 °F
Average Mean Temp
33.08 °F
Average Dew Point
19.04 °F
Average Windspeed
11.47 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
72.0
Average Afternoon Relative Humidity
48.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
0.70
Average Snowfall (US Only)
8.00
Daily Counts
Days With Precipitation
9
Days With Thunderstorms
*
Days With Fog
2
Days With Snow
7
Days With Lows Below Freezing
28
Days above 90° F (32.2° C)
0
Records
Record High
77.00 °F
Record Low
-29.92 °F
Record Wind Speed
59.71 mph
Record Monthly Snowfall
55.8 "
Record 24-hour Snowfall
8.98 "
Record Monthly Rainfall
1.62 "
Record 24-hour Rainfall
0.59 "
Record Minimum Monthly Precipitation
* "
Averages
Average High Temperature
55.94 °F
Average Low Temperature
30.02 °F
Average Mean Temp
42.98 °F
Average Dew Point
26.06 °F
Average Windspeed
11.47 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
71.0
Average Afternoon Relative Humidity
39.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
0.90
Average Snowfall (US Only)
5.99
Daily Counts
Days With Precipitation
8
Days With Thunderstorms
1
Days With Fog
1
Days With Snow
4
Days With Lows Below Freezing
18
Days above 90° F (32.2° C)
0
Records
Record High
84.92 °F
Record Low
1.04 °F
Record Wind Speed
57.41 mph
Record Monthly Snowfall
53.3 "
Record 24-hour Snowfall
13.00 "
Record Monthly Rainfall
2.99 "
Record 24-hour Rainfall
0.98 "
Record Minimum Monthly Precipitation
0.10 "
Averages
Average High Temperature
64.94 °F
Average Low Temperature
39.92 °F
Average Mean Temp
53.06 °F
Average Dew Point
33.98 °F
Average Windspeed
11.47 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
73.0
Average Afternoon Relative Humidity
39.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
1.80
Average Snowfall (US Only)
2.01
Daily Counts
Days With Precipitation
11
Days With Thunderstorms
4
Days With Fog
1
Days With Snow
1
Days With Lows Below Freezing
4
Days above 90° F (32.2° C)
*
Records
Record High
91.94 °F
Record Low
17.06 °F
Record Wind Speed
68.88 mph
Record Monthly Snowfall
33.0 "
Record 24-hour Snowfall
13.00 "
Record Monthly Rainfall
6.11 "
Record 24-hour Rainfall
2.09 "
Record Minimum Monthly Precipitation
0.30 "
Averages
Average High Temperature
73.94 °F
Average Low Temperature
46.94 °F
Average Mean Temp
60.98 °F
Average Dew Point
41.00 °F
Average Windspeed
11.47 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
73.0
Average Afternoon Relative Humidity
39.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
1.90
Average Snowfall (US Only)
*
Daily Counts
Days With Precipitation
11
Days With Thunderstorms
7
Days With Fog
1
Days With Snow
*
Days With Lows Below Freezing
*
Days above 90° F (32.2° C)
2
Records
Record High
100.04 °F
Record Low
30.02 °F
Record Wind Speed
64.29 mph
Record Monthly Snowfall
7.6 "
Record 24-hour Snowfall
2.99 "
Record Monthly Rainfall
4.29 "
Record 24-hour Rainfall
1.81 "
Record Minimum Monthly Precipitation
0.10 "
Averages
Average High Temperature
82.94 °F
Average Low Temperature
51.98 °F
Average Mean Temp
68.00 °F
Average Dew Point
44.06 °F
Average Windspeed
10.35 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
67.0
Average Afternoon Relative Humidity
30.0
Typical Sky Cover
CLR
Average Precipitation (US Only)
1.10
Average Snowfall (US Only)
*
Daily Counts
Days With Precipitation
7
Days With Thunderstorms
8
Days With Fog
*
Days With Snow
0
Days With Lows Below Freezing
0
Days above 90° F (32.2° C)
8
Records
Record High
102.02 °F
Record Low
35.96 °F
Record Wind Speed
80.35 mph
Record Monthly Snowfall
* "
Record 24-hour Snowfall
* "
Record Monthly Rainfall
3.90 "
Record 24-hour Rainfall
1.42 "
Record Minimum Monthly Precipitation
0.10 "
Averages
Average High Temperature
82.04 °F
Average Low Temperature
51.08 °F
Average Mean Temp
66.02 °F
Average Dew Point
42.98 °F
Average Windspeed
9.18 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
67.0
Average Afternoon Relative Humidity
30.0
Typical Sky Cover
CLR
Average Precipitation (US Only)
1.20
Average Snowfall (US Only)
0.00
Daily Counts
Days With Precipitation
8
Days With Thunderstorms
8
Days With Fog
*
Days With Snow
0
Days With Lows Below Freezing
*
Days above 90° F (32.2° C)
6
Records
Record High
105.08 °F
Record Low
32.00 °F
Record Wind Speed
60.88 mph
Record Monthly Snowfall
0.0 "
Record 24-hour Snowfall
0.00 "
Record Monthly Rainfall
4.22 "
Record 24-hour Rainfall
1.81 "
Record Minimum Monthly Precipitation
* "
Averages
Average High Temperature
69.98 °F
Average Low Temperature
41.00 °F
Average Mean Temp
55.94 °F
Average Dew Point
35.96 °F
Average Windspeed
10.35 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
72.0
Average Afternoon Relative Humidity
36.0
Typical Sky Cover
CLR
Average Precipitation (US Only)
1.00
Average Snowfall (US Only)
2.01
Daily Counts
Days With Precipitation
7
Days With Thunderstorms
2
Days With Fog
1
Days With Snow
1
Days With Lows Below Freezing
3
Days above 90° F (32.2° C)
1
Records
Record High
98.96 °F
Record Low
17.96 °F
Record Wind Speed
53.94 mph
Record Monthly Snowfall
35.5 "
Record 24-hour Snowfall
13.00 "
Record Monthly Rainfall
3.39 "
Record 24-hour Rainfall
1.62 "
Record Minimum Monthly Precipitation
0.10 "
Averages
Average High Temperature
57.92 °F
Average Low Temperature
30.92 °F
Average Mean Temp
44.96 °F
Average Dew Point
28.94 °F
Average Windspeed
10.35 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
73.0
Average Afternoon Relative Humidity
43.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
0.60
Average Snowfall (US Only)
2.01
Daily Counts
Days With Precipitation
6
Days With Thunderstorms
*
Days With Fog
1
Days With Snow
2
Days With Lows Below Freezing
17
Days above 90° F (32.2° C)
0
Records
Record High
84.92 °F
Record Low
-2.92 °F
Record Wind Speed
53.94 mph
Record Monthly Snowfall
27.9 "
Record 24-hour Snowfall
7.01 "
Record Monthly Rainfall
2.72 "
Record 24-hour Rainfall
0.79 "
Record Minimum Monthly Precipitation
* "
Averages
Average High Temperature
42.08 °F
Average Low Temperature
21.02 °F
Average Mean Temp
32.00 °F
Average Dew Point
19.94 °F
Average Windspeed
10.35 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
73.0
Average Afternoon Relative Humidity
58.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
0.50
Average Snowfall (US Only)
5.99
Daily Counts
Days With Precipitation
7
Days With Thunderstorms
*
Days With Fog
2
Days With Snow
5
Days With Lows Below Freezing
26
Days above 90° F (32.2° C)
0
Records
Record High
71.96 °F
Record Low
-38.92 °F
Record Wind Speed
60.88 mph
Record Monthly Snowfall
83.8 "
Record 24-hour Snowfall
18.99 "
Record Monthly Rainfall
1.50 "
Record 24-hour Rainfall
0.59 "
Record Minimum Monthly Precipitation
* "
Averages
Average High Temperature
32.00 °F
Average Low Temperature
12.02 °F
Average Mean Temp
21.92 °F
Average Dew Point
12.92 °F
Average Windspeed
10.35 mph
Average Wind Direction
270.0
Average Morning Relative Humidity
72.0
Average Afternoon Relative Humidity
66.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
0.60
Average Snowfall (US Only)
8.98
Daily Counts
Days With Precipitation
8
Days With Thunderstorms
*
Days With Fog
4
Days With Snow
8
Days With Lows Below Freezing
30
Days above 90° F (32.2° C)
0
Records
Record High
64.04 °F
Record Low
-38.02 °F
Record Wind Speed
57.41 mph
Record Monthly Snowfall
58.4 "
Record 24-hour Snowfall
10.01 "
Record Monthly Rainfall
1.50 "
Record 24-hour Rainfall
0.51 "
Record Minimum Monthly Precipitation
* "
Rise 5:46AM
Set 8:57PM
Waning gibbous
Rise11:53PM
Set6:53AM
No Airport Delays Found
Day
Reason
Upper Soil Moisture
Lower Soil Moisture
Saturday
Fire danger very low
37%
40%
Sunday
Fire danger low
37%
40%
Monday
Fire danger moderate
37%
40%
Tuesday
Fire danger moderate
37%
40%
Wednesday
Fire danger very low
37%
40%
Thursday
Fire danger very low
37%
40%
Rise 5:46AM
Set 8:57PM
Waning gibbous
Rise11:53PM
Set6:53AM
No Airport Delays Found
Rise 5:46AM
Set 8:57PM
Waning gibbous
Rise11:53PM
Set6:53AM
No Airport Delays Found
Snow conditions provided by SnoCountry Mountain Reports™