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Monthly weather forecast in Great Falls
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
14
+9
+3
14 April, sun
+9
+3
Feels like
+3
670 mmHg
55%
7.8
m/s
W
14 April, Sunday. day, 9°; night, 3°; rain
15
+8
+3
15 April, mon
+8
+3
Feels like
+3
673 mmHg
62%
7.3
m/s
W
15 April, Monday. day, 8°; night, 3°; rain
16
+12
+6
16 April, tue
+12
+6
Feels like
+7
672 mmHg
54%
6
m/s
SW
16 April, Tuesday. day, 12°; night, 6°; clear
17
+12
+6
17 April, wed
+12
+6
Feels like
+6
672 mmHg
50%
7.5
m/s
SW
17 April, Wednesday. day, 12°; night, 6°; partly cloudy
18
+13
+8
18 April, thu
+13
+8
Feels like
+8
672 mmHg
43%
6.3
m/s
SW
18 April, Thursday. day, 13°; night, 8°; partly cloudy
19
April
+3
−6
19 April, fri
+3
−6
Feels like
−5
678 mmHg
57%
3.6
m/s
NE
Climate normal
+14
+8
19 April, Friday. day, 3°; night, -6°; overcast
20
+11
0
20 April, sat
+11
0
Feels like
+1
676 mmHg
49%
3.9
m/s
E
Climate normal
+13
+7
20 April, Saturday. day, 11°; night, 0°; clear
21
+15
+2
21 April, sun
+15
+2
Feels like
0
671 mmHg
34%
13.6
m/s
W
Climate normal
+14
+8
21 April, Sunday. day, 15°; night, 2°; clear
22
+13
0
22 April, mon
+13
0
Feels like
+1
671 mmHg
38%
7.7
m/s
NW
Climate normal
+13
+6
22 April, Monday. day, 13°; night, 0°; mostly clear
23
+17
+4
23 April, tue
+17
+4
Feels like
+6
673 mmHg
38%
3.4
m/s
S
Climate normal
+11
+6
23 April, Tuesday. day, 17°; night, 4°; clear
24
+20
+7
24 April, wed
+20
+7
Feels like
+8
671 mmHg
36%
5.2
m/s
W
Climate normal
+12
+7
24 April, Wednesday. day, 20°; night, 7°; mostly clear
25
+19
+7
25 April, thu
+19
+7
Feels like
+8
670 mmHg
34%
5.9
m/s
NW
Climate normal
+10
+6
25 April, Thursday. day, 19°; night, 7°; mostly clear
26
+12
+4
26 April, fri
+12
+4
Feels like
+3
671 mmHg
61%
7.4
m/s
N
Climate normal
+13
+7
26 April, Friday. day, 12°; night, 4°; overcast
27
+9
+4
27 April, sat
+9
+4
Feels like
+2
673 mmHg
72%
4.6
m/s
N
Climate normal
+10
+6
27 April, Saturday. day, 9°; night, 4°; overcast
28
+12
+4
28 April, sun
+12
+4
Feels like
+4
672 mmHg
67%
4.9
m/s
SW
Climate normal
+10
+5
28 April, Sunday. day, 12°; night, 4°; partly cloudy
29
+13
+5
29 April, mon
+13
+5
Feels like
+3
674 mmHg
59%
6.4
m/s
SW
Climate normal
+11
+6
29 April, Monday. day, 13°; night, 5°; partly cloudy
30
+13
+7
30 April, tue
+13
+7
Feels like
+6
675 mmHg
62%
3.8
m/s
N
Climate normal
+13
+7
30 April, Tuesday. day, 13°; night, 7°; partly cloudy
1 May
+6
+1
1 May, wed
+6
+1
Feels like
0
644 mmHg
70%
3.8
m/s
NW
Climate normal
+14
+8
1 May, Wednesday. day, 6°; night, 1°; light rain
2
+8
0
2 May, thu
+8
0
Feels like
−1
631 mmHg
67%
3.4
m/s
W
Climate normal
+13
+7
2 May, Thursday. day, 8°; night, 0°; sleet
3
+11
+3
3 May, fri
+11
+3
Feels like
+3
630 mmHg
56%
2.5
m/s
SW
Climate normal
+16
+11
3 May, Friday. day, 11°; night, 3°; partly cloudy
4
+7
0
4 May, sat
+7
0
Feels like
+2
624 mmHg
92%
2.3
m/s
NW
Climate normal
+17
+11
4 May, Saturday. day, 7°; night, 0°; rain
5
+10
+6
5 May, sun
+10
+6
Feels like
+3
623 mmHg
88%
3.9
m/s
E
Climate normal
+15
+9
5 May, Sunday. day, 10°; night, 6°; light rain
6
+14
+7
6 May, mon
+14
+7
Feels like
+8
622 mmHg
89%
2.5
m/s
E
Climate normal
+13
+7
6 May, Monday. day, 14°; night, 7°; rain
7
+13
+7
7 May, tue
+13
+7
Feels like
+8
624 mmHg
84%
2.4
m/s
E
Climate normal
+14
+9
7 May, Tuesday. day, 13°; night, 7°; rain
8
+6
+3
8 May, wed
+6
+3
Feels like
+1
626 mmHg
96%
5
m/s
N
Climate normal
+16
+10
8 May, Wednesday. day, 6°; night, 3°; rain
9
+5
−1
9 May, thu
+5
−1
Feels like
−2
627 mmHg
87%
4.2
m/s
N
Climate normal
+14
+9
9 May, Thursday. day, 5°; night, -1°; light rain
10
+6
0
10 May, fri
+6
0
Feels like
−2
631 mmHg
76%
3.5
m/s
NE
Climate normal
+15
+9
10 May, Friday. day, 6°; night, 0°; light rain
11
+8
−1
11 May, sat
+8
−1
Feels like
0
632 mmHg
61%
2.5
m/s
N
Climate normal
+17
+10
11 May, Saturday. day, 8°; night, -1°; mostly clear
12
+11
+4
12 May, sun
+11
+4
Feels like
+3
630 mmHg
53%
2.3
m/s
N
Climate normal
+16
+9
12 May, Sunday. day, 11°; night, 4°; partly cloudy
13
+10
+3
13 May, mon
+10
+3
Feels like
+2
631 mmHg
66%
3.2
m/s
N
Climate normal
+15
+10
13 May, Monday. day, 10°; night, 3°; mostly clear
14
+17
+9
14 May, tue
+17
+9
Feels like
+7
629 mmHg
51%
3.2
m/s
SW
Climate normal
+17
+11
14 May, Tuesday. day, 17°; night, 9°; clear
15
+21
+10
15 May, wed
+21
+10
Feels like
+12
629 mmHg
46%
2.8
m/s
SW
Climate normal
+17
+13
15 May, Wednesday. day, 21°; night, 10°; mostly clear
16
+20
+13
16 May, thu
+20
+13
Feels like
+11
627 mmHg
49%
4
m/s
SW
Climate normal
+18
+13
16 May, Thursday. day, 20°; night, 13°; clear
17
+16
+9
17 May, fri
+16
+9
Feels like
+10
629 mmHg
77%
3.8
m/s
E
Climate normal
+18
+13
17 May, Friday. day, 16°; night, 9°; light rain
18
+17
+11
18 May, sat
+17
+11
Feels like
+10
628 mmHg
75%
3.9
m/s
E
Climate normal
+18
+12
18 May, Saturday. day, 17°; night, 11°; light rain
Average for 30 days
11
sunny days
11
days with precipitation
8
cloudy days
11 sunny days; 11 days with precipitation; 8 cloudy days;
63
%
air humidity
4.3
m/s
Wind
N
8
mm of precipitation
(2% of annual average)
air humidity 63%; 8 millimeters of precipitation (2% of annual average); Wind northerly 4.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
E
W
NW
S
W
NW
N
N
SW
SW
N
NW
W
SW
NW
E
E
E
N
N
NE
N
N
N
SW
SW
SW
E
E
19
Average data for 10 years
20
21
22
23
24
25
26
27
28
29
30
1
May
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Daytime temperature
Night-time temperature