Waterlands
Arkansas River
CO DWR · CHCRNACO
ARKANSAS RIVER
CO DWR · CHCRNACOLIVE

Chalk Creek At Nathrop

CHAFFEE COUNTY, CO38.7418°N, -106.0832°W Updated 1 d ago
FLOW RATE
25.1cfs
AIR TEMP
76°F
WIND
21mph NW
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
25.1cfs
Optimal band: 21–29 cfs
PERIOD HIGH
25.1cfs
PERIOD LOW
25.1cfs
RUNNABLE
100%
last 1 day in band
Precipitation History
Your History · Chalk Creek At Nathrop

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Weather Conditions
WEATHER CONDITIONS
TODAY
79°
55°
FRI
84°
51°
SAT
83°
49°
SUN
84°
46°
MON
79°
45°
TUE
82°
45°
WED
85°
43°
TIME
THU
8
NOW
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SAT
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
TEMP
hourly forecast
74°
mild
74°
65°
62°
61°
58°
57°
56°
54°
53°
51°
51°
54°
57°
63°
70°
75°
77°
82°
80°
84°
69°
73°
73°
64°
57°
56°
55°
55°
53°
53°
52°
52°
51°
51°
49°
53°
57°
64°
70°
74°
78°
81°
82°
83°
82°
81°
79°
77°
70°
60°
58°
55°
53°
51°
49°
48°
46°
46°
46°
54°
61°
70°
74°
77°
81°
83°
84°
83°
82°
81°
79°
77°
72°
60°
56°
54°
51°
50°
49°
48°
46°
45°
45°
53°
61°
66°
69°
71°
73°
75°
77°
78°
79°
79°
77°
75°
67°
57°
53°
51°
49°
49°
47°
46°
46°
45°
46°
52°
61°
68°
73°
76°
79°
81°
WIND
mph · gust · dir
8mph WNW
G 12 mph
8
G12
WNW
16
G23
SSW
12
G18
SSW
7
G14
SSW
2
G13
SW
3
G8
ESE
3
G6
N
4
G9
SSW
6
G15
S
3
G11
ESE
3
G4
N
1
G12
E
10
G12
SSE
8
G11
SSE
4
G13
SE
4
G13
ESE
13
G15
W
16
G17
WSW
21
G23
NNW
3
G13
W
25
G30
W
28
G35
SW
16
G21
SSE
3
G6
SSW
17
G22
NNW
5
G11
NNW
6
W
5
NW
3
G5
WSW
4
SW
3
G19
SSE
8
G21
SE
11
G21
S
6
G11
S
4
G5
SE
5
G9
S
9
G22
SSW
17
G43
SW
19
G41
SW
21
G38
SW
24
G39
SW
25
G38
SW
27
G37
WSW
26
G38
WSW
26
G35
WSW
24
G34
WSW
23
G33
WSW
16
G31
WSW
9
G20
WSW
5
G8
SSW
7
G9
SSW
7
G8
SW
7
SW
6
SW
6
SW
6
SW
5
SW
4
G5
SW
3
G4
SSW
3
G4
SSE
5
G11
S
9
G20
SSW
17
G28
SSW
17
G29
SW
18
G31
SSW
21
G33
SW
22
G32
SW
27
G32
SW
24
G32
SW
23
G32
SW
21
G30
SW
17
G29
SW
15
G28
SW
6
G13
SW
4
G7
SSW
5
W
4
W
4
SW
5
SW
4
G5
SW
4
SW
3
G4
SW
4
WSW
3
G4
WSW
6
G16
SSW
13
G29
SW
13
G27
WSW
12
G23
W
12
G21
W
11
G21
W
14
G22
W
15
G21
W
15
G22
W
15
G20
W
16
G19
W
15
G17
W
9
G17
WNW
7
WNW
6
WNW
6
WNW
5
WNW
5
NW
4
NW
4
NW
5
WNW
3
WNW
3
SSW
5
G7
S
6
G13
S
8
G18
S
11
G23
SSW
15
G27
SSW
18
G30
SSW
19
G32
SSW
PRECIP
chance %
2%
2%
3%
3%
2%
4%
6%
2%
1%
1%
1%
1%
1%
1%
0%
0%
0%
1%
1%
2%
5%
9%
15%
23%
11%
9%
6%
13%
13%
12%
2%
2%
2%
2%
2%
2%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
CLOUDS
cover %
100%
overcast
100%
68%
13%
98%
76%
18%
100%
100%
0%
66%
52%
100%
85%
35%
0%
8%
100%
27%
42%
100%
100%
100%
100%
100%
94%
100%
100%
100%
100%
50%
100%
100%
84%
0%
0%
0%
0%
0%
0%
50%
41%
8%
5%
6%
89%
100%
7%
5%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
3%
4%
3%
2%
6%
18%
PRESSURE
hPa · trend
770
770769770771770767767765763761764764763761766767765765769
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Warm
Wind
Strong
Pressure
Falling — Active
Moon Phase
Average
DAYLIGHT
SUNRISE
05:41 AM
SUNSET
08:33 PM
14H 52M OF DAYLIGHT0H 18M REMAINING
MOON PHASE
Waxing Gibbous
81% illuminated

Station Location

38.7418, -106.0832
Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-06-25 20:15 UTC
Site #CHCRNACO·CO DWR

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